Scotch tape for sealing pipes. Modern waterproofing materials for pipes. Pipes with rubber sealing rings

The modern building materials market offers a wide range of products for sealing and waterproofing. In this variety, a special place is given to sealing tape, which has a fairly impressive range of applications.

Peculiarities

Moisture can negatively affect buildings, residential and industrial facilities, communications, various mechanisms and parts. Therefore, in the construction and household sectors, providing protection from such influences is considered a rather important issue. Manufacturers are constantly working to create modern and high-quality insulation products.

Not so long ago, cement mortars, tow, metal plates, sealants and mastics were used to seal joints, cracks and seams. However, the rational component and manufacturability gradually replaced expensive and labor-intensive materials, which gave way to new universal and inexpensive products that cope well with the task.

Sealing tape is one such multi-functional product that provides reliable insulation. The product is a bitumen-based composite material with self-adhesive ability, which is the main feature of this product. The mesh structure of the material contributes to good adhesion of the tape to the working surface.

The product has moisture-proof properties and can take different shapes, so it is very convenient to work with it, and the time required for installation is significantly reduced.

Among the positive properties of the product, one can also highlight a good indicator of the elasticity of raw materials at low temperatures, resistance to the harmful effects of various bacteria, mold and chemicals. The tape is absolutely safe for health and is therefore recommended for internal and external use.

Kinds

The product is a multilayer system, the basic elements of which are:

a waterproof layer of bitumen or rubber with a sticky adhesive mass, which is responsible for fixing the product to the sealed base;
aluminum foil with high strength values, which reliably protects the tape from tearing;
a special film that is removed before using the tape.

This composition makes it possible to perform durable sealing of any structure made from any raw material. Based on the scope of application, the basic composition of the material is sometimes supplemented with layers of other components (for example, to increase protective or thermal insulation properties).

Depending on the area of use, the tapes are:

bilateral;
unilateral.

The first option assumes the presence of a working surface on both sides of the product, unlike the last type.

Also, the presented range of sealing tapes is divided into two main types.

Products for working with window openings. They are tape products made of polypropylene with an adhesive base, due to which adhesion to the surface of windows and slopes occurs. The products are recommended for moisture protection of structures. Their use eliminates the need to purchase and use plaster and sealant. A type of product for window openings is a vapor-permeable tape, similar in appearance to foam rubber. Its peculiarity lies in its ability to pass condensate formed in the structure of the polyurethane foam. The products can be used at sub-zero temperatures.

Universal tape. It is made from special bitumen, onto which an aluminum layer and a reinforced polyethylene film are applied.

There are several subtypes of these products:

Plaster. Its distinctive property is the structure of the adhesive layer. It allows you to instantly glue surfaces together. Due to its good adhesion, the material is suitable for concrete, glass, natural stone, plastic and ceramics. Instead of searching for tape of the desired color, the material can easily be painted in the desired shade. The range of finished goods of this type includes four color options.

Ecobit. In this case, a film of copper or aluminum is applied to the base layer, the protection of which is provided by polyester. The material forms a high-quality waterproof coating on products made of glass, metal, and cement. Due to this, the products are often used to repair roofing, pipes, water supply and sewerage systems.
Titanium. It features a polyurethane coating applied to an anti-condensation polyester base. This composition increases wind protection and softens the effects of temperature changes.

Masterflex. This material has a specific edge composition that favorably affects the level of sealing. The products are widely used for working with PVC structures, various metal surfaces, and concrete foundations. It is recommended to additionally fix such products with nails or glue them in two overlapping layers.
Comfort. This material contains a special membrane that can absorb moisture and then, thanks to diffusion, remove it. The main component of the product is special raw materials, which are made from polyester fibers coated with polyurethane. The operating period of the product is about 10 years.

Butyl rubber tapes are also often on sale, which provide excellent protection against steam and moisture. Most of them have a double-sided surface for fixing.

Scope of application

Self-adhesive tape is most often in demand in several areas of activity:

In construction and utilities– processing of seams between panels of structures, sealing of window and balcony blocks, construction and repair of rigid type roofing, as well as fixing of rolled roofing products, installation of sewer and water supply communications, plumbing, installation of ventilation equipment, thermal insulation of pipelines.

In transport engineering– work on the cabin of freight and passenger transport and ship repairs, sealing the interior of special equipment and wagons in order to reduce vibration.
In the oil and gas direction– ensuring protection against corrosion of pipeline seams, repairing insulation.
Domestic use– carrying out various repairs in apartments or private houses (including work related to clothing and plumbing in bathrooms and toilets).

Manufacturers

Manufacturers of sealing tapes are a number of domestic and foreign companies. Most of the products have a fairly high level of quality, due to which their popularity among consumers is only growing.

The issue of sealing joints remains the most pressing when it comes to waterproofing. Nicoband tapes are produced for work in this area. In essence, the products are adhesive tape with a set of specific positive features. Among them we can highlight a thick bitumen layer, which not only seals, but also seals the seams. The products are characterized by strength and elasticity, adhesion to all materials, and resistance to ultraviolet radiation.

This group of products is represented by three brands: Nicoband, Nicoband Duo, Nicoband Inside. The color range of products includes a variety of shades, allowing the products to be combined with roofing coverings, including seam roofing. Nicoband products are recommended for renovation and construction inside and outside buildings. It can be used to seal joints of various materials, including metal, stone and wood, roofing, sealing pipes and structures made of polycarbonate, metal tiles, ceramic tiles, and sealing ventilation.

Elastic tape "Vikar" LT is a self-adhesive non-curing product, amenable to laying both in length and width due to the presence of foil in the composition. The product is an excellent assistant in roof work, where it is additionally used to create strength in weak areas of roof waterproofing, in particular in the area of ends and ridges, in places where chimney pipes and ventilation are discharged. The tape can be used in a temperature range from -60 to +140 C.

“Fum” tape is most often used when installing pipelines in houses. It provides thread sealing for gas or water supply installations. Products can be white or transparent. Such products are often sold in reels. The products are presented in three types, which are recommended for different applications based on the technical conditions of future work.

“Ecobit” from the Italian company Isoltema is another product used for roofing work. The product ensures tightness in places where the chimney exits, ventilation and in the area of arranging attic window structures. The tape contains a special type of bitumen with polymers of special strength. A copper or aluminum coating is applied to the surface of the product.

It is convenient to work with the tape, providing protection and sealing around rounded roofing elements. The products are absolutely safe and do not contain substances harmful to health. The application technology does not require adherence to temperature conditions. In addition to roofing work, the tape is widely used for cement tiles, plastic or glass structures.

Sealing tape SCT 20 is available in black with self-adhesive mastic. It has excellent resistance to ozone and ultraviolet radiation. The product is recommended for repair work in places where SIP insulation is damaged.

Plumbing work is not possible without high-quality sealing. For this purpose, specially designed sealants are used. One such effective means is plumbing tape for sealing sewer pipes. It is also ideal for working with plastic plumbing systems. However, in order for the result to be high-quality and durable, it is important to choose the tape wisely and know the rules for its use.

Concept and types

Tape for sealing water pipes is a thin, narrow film made of fluoroplastic. Performs a sealing function during the installation of sewers and water pipes.

There are two types of such film:

Thick white.
Thin (translucent).

Both species have similar characteristics. They are heat-resistant, elastic, resistant to chemicals. Their width is 10-60 mm. On one side, the film is coated with a special lubricant. To prevent sticking. There are options without lubrication.

How to choose a ribbon

Before purchasing, you need to find out the purpose and type of work. There are films intended for utility lines, household or industrial. Lubricant-free belts are intended for objects that interact with oxidizing agents and oxygen. There are also types that seal threaded connections during the installation of highways or household systems.

Depending on the purpose and location of installation, the tape for sewer or water supply pipes is selected taking into account its characteristics. The stability of the device to an aggressive environment, heat resistance, melting point, etc. must be assessed. It is important to take into account the “behavior” of the film at pipe joints, under pressure and under other significant conditions.

Tape for plastic pipes must also meet certain requirements. First of all, it is worth studying its technical characteristics. High-quality products will last at least ten years.

film length and width;
elongation at break as a percentage;
the presence or absence of lubricant, it is also indicated in %;
maximum stretch during tension.

All these indicators will “tell” about the quality and purpose of the tape. It can be difficult for beginners to decide. Therefore, it is recommended to consult with the experts in advance.

Choosing a sealant for domestic plumbing

Tape for sealing water pipes is the most popular when working with plumbing. It is also used in home heating systems, for PVC pipes. If the material is selected or installed incorrectly, this will be noticeable after turning on the supply tap for the first time.

The most suitable options for plumbing:

12 mm wide. Thin film used for connections with fine threads.
19 mm wide. And a little thicker than the previous one. For large types of threads.

When choosing sewer or plumbing sealants, you must take into account the possibility of quickly disassembling the system if necessary. Even after several years, the tape should be easily removed from the pipe joint.

Selecting tape for heating systems

PTFE film is recommended. It has a low percentage of friction. During the threaded connection you do not have to apply much effort. The joining of parts occurs quickly. Fluoroplastic is an eternal material and does not react to chemical compounds.

But the use of such tape is limited, since it has some features:

If the size of the parts to be joined exceeds 25 mm, the sealing result deteriorates.
If the elements have rough threads, the material cannot withstand and breaks.
Low adhesion of fluoroplastic. If parts are subject to deformation when exposed to temperature, the film cannot withstand pressure. She gets squeezed out.

This tape is not suitable for connecting parts of radiators. It is recommended to seal heating parts with special plumbing thread. Its qualities are similar to fluoroplastic tape, but it is easier to install and lasts longer.

July 25, 2016
Specialization: philological education. Work experience as a builder - 20 years. Of these, for the last 15 years he led a team as a foreman. I know everything about construction - from design and zero cycle to interior design. Hobbies: Vocals, psychology, quail breeding.

Greetings, my dear readers!

Many people know that when creating and repairing various utilities, it is important to reliably seal all elements. The reliability and efficiency of systems depends on this. Today I will tell you how to choose a sealant for water supply, sewerage, heating and smoke exhaust pipes.

Category No. 1: materials for sealing water and sewer pipes

There are several types of seals for sewer and water pipes.

Sealing tapes

Self-adhesive tapes, specially created for sealing pipe joints, are a modern means of sealing. They have such advantages.

Self-adhesive films are easy to use and highly effective.
Sealing tapes on a durable polyethylene base have good performance characteristics.
They are universal, they can be used to seal different types of pipelines (sewage and water supply), because they have anti-corrosion and dielectric qualities.
Tapes can be used not only for sealing pipe joints, but also for sealing system elements: inserts, plugs, rotary corners, etc.

Prepare its surface for winding the sealant: it must be cleaned of dirt, dust and dried.
When applying the tape to the pipe, make sure that it is constantly tensioned; in addition, do not allow wrinkles and folds to form.
Wind the film, creating a 50 percent overlap in a spiral. As a result, the entire sealed surface should be under two-layer tape protection.

Plumbing tape has poor UV resistance. As a result, if the sealed section of the pipeline is exposed to the sun, it should be additionally protected from ultraviolet radiation over the film.

Silicone compounds

Silicone-based plumbing pipe sealant is another common sealant. Rubber silicone compounds are a composite of different substances that provide high quality sealing. They have good adhesion to compacted surfaces and do not require pre-treatment with a primer.

I would like to warn you that, based on the type of hardener, silicone sealants for sewer pipes are divided into the following types:

Acidic compounds. Their price is relatively low. However, they should not be used to seal certain surfaces that may react with acids.
Neutral analogues. They are universal and can be used for all types of materials from which pipes are made.

Silicone sealants are used to seal both metal and plastic pipes, but only sewer pipes.

Following the vulcanization of silicone gel, after its application, it is transformed into a material similar in its qualities to rubber. This process is directly influenced by the moisture contained in the air.

At the moment, sealants of the Tytan, Moment and Sinicon brands are of the highest quality, which is why they are popular. They are used not only for sealing joints between metal and plastic pipes, but also for repairing fistulas and cracks.

I'll tell you how to use them:

Before sealing the surface, make sure it is dry and clean.
Next, carefully spread silicone gel over the interface of pipes or system elements.
The composition should not be smeared further. Apply it in 2-3 layers, slightly going beyond the boundaries of both sides of the joint.
It is extremely undesirable to moisten the pipe not only before and during work, but also until the polymerization of the silicone is completed.

It is extremely easy to squeeze out and distribute the sealant - using a special mounting gun. If you don't have one, you can use a regular hammer.
Insert its handle into the tube and press this kind of piston.

Epoxy resin

It serves, like adhesives based on it, as the most used product for water and sewer pipes:

In water supply and wastewater systems, epoxy resin is used for cast iron and ceramic pipelines, which require a more durable interface than plastic counterparts.
The advantages of this sealant include its long service life and resistance to more than fifty chemically aggressive compounds.
“Epoxy” is not resistant only to sulfuric and nitric acids, hydrogen peroxide, methyl ethyl ketone, acetone and fluoride compounds.

Hemp, jute rope

Another common sealant for water pipes made of metal and sewer analogues made of ceramics and cast iron is jute or hemp rope, as well as resin strand (heel). They are used to seal the sockets of networks. I would like to give you some advice - using resin-impregnated rope is a more preferable option.

Previously, only jute impregnated with resin was used to seal household communications. The principle of its operation is the same as that of self-adhesive tapes, but they are fixed differently.

Jute is an ordinary twine. However, if it is impregnated with bitumen or resin, it becomes a durable and strong seal for the sockets of ceramic and cast iron sewers.

Other means

Cement is a common element in some sealants. Most often used for the production of asbestos-cement mixtures and for caulking cast iron sewer pipes.
Asphalt mastic and an analogue from petroleum bitumen are used for the production of casting compounds. They are needed to seal the joints and sockets of ceramic networks. The following mastics are used for different types of pipelines: talc-bitumen, asbestos-polymer-bitumen, rubber-bitumen, polymer-bitumen, etc.

Technical sulfur is used to seal the sockets of cast iron sewer pipes. Before use, it must be crushed and then heated until melted. It should be said that this method is now rarely used, because sulfur has a very pungent and unpleasant odor.

Category No. 2: seals for heating systems

We all have to install a new heating network, change radiators and thread seals shortly before the heating season. Find out from my article which sealants can now be used for this.

Flax tow

At the moment, there are many seals for radiators and pipes of heating systems that belong to different generations. One of the oldest sealants is flax tow, planted on paint.

However, this material was good many years ago; now it is of little use. I'll explain why:

Linen is natural, i.e. degradable, therefore a short-lived sealant. Previously, cast iron radiators could be used quietly for 40 years. However, now the service conditions of heating networks have become different. This sealant will have to be changed after 3-4 years.
Current paints have a composition that is different from that of their Soviet counterparts. They are absolutely not suitable as impregnation of flax fibers. Silicone is also not suitable for this. It contains vinegar, which causes thread corrosion.

Modern high-rise buildings are not Khrushchev buildings with 2-5 floors. During pressure testing (testing of pipelines for strength and tightness) and operation of the network of such a building, a pressure of up to 16 atmospheres is turned on. Linen sealant can be used at pressures up to 8 atmospheres.

As a result, the connections on the flax seal burst due to its swelling or cannot withstand the operating pressure in the heating system.

For apartments in a 1-5-story apartment building, linen sealant can be used. There are only a few connections in the dwellings.
In your own home or cottage, the number of threaded connections on pipes can approach several hundred. It is highly undesirable to use flax sealant in them.

More modern means - polymer threads and anaerobic sealants

The photo shows the sealing of a pipe fitting with a polymer thread.

Flax planted on paint is gradually becoming a thing of the past. Now there is a more modern, reliable, safe and durable method of sealing pipes and elements of heating systems. It is based on the use of polymer threads and anaerobic gels.

The anaerobic sealant for heating polymerizes in contact with the metal, completely filling the entire thread. The connection will last as long as the pipes, without replacements or leaks. He will not be afraid of high pressure and temperature, shock and vibration loads.
Polymer threads are also an excellent sealant for threaded units of heating systems. They are suitable for sealing metal, PVC and polypropylene pipes, the mating of which is undesirable using gel materials. The operating temperature of the threads is not limited, and dismantling is easy.

In the lower table I present to you the technical characteristics of high-quality anaerobic gels from the Russian company RST (Region Spetstekhno).

Name	Purpose	Characteristics
Gel "Santech-master" (green)	Anaerobic sealant for metal flange and threaded connections up to 1.5 inches.	Polymerization period: 20/30 min. Application temperature from +15º. Dismantling is easy. Volume: tube – 60 g, blister – 15 g. Operating temperature range -60/+150º. Ingredients: dimethacrylate polyglycol and modifiers.
Gel "Santech-master" (blue)	Anaerobic sealant for metal threaded and flanged connections up to 2 inches	Polymerization period: 15/20 min. Installation temperature from +15º. Dismantling requires medium force. Volume: tube - 60 g, blister - 15 g. Composition:
Gel "Stop-master" (red)	Anaerobic sealant for metal flange and thread connections up to 3 inches.	The polymerization period is 5 minutes. Installation temperature +5º. Heating is required for dismantling. Volume: tube - 60 g, blister - 15 g. Composition: dimethacrylate polyglycol and modifiers. Operating temperature range -60/+150º.

Category No. 3: sealants for furnace equipment

Furnace equipment may crack due to temperature changes.

What are furnace sealants used for?

Through cracks can reach the chimney. Then soot on its walls and increased fuel consumption will not be all the problems. Harmful combustion products will begin to penetrate into living rooms.
Problems with a chimney are not so common when it is made of high-quality ceramics or a sandwich, but they are dangerous. For optimal traction, its channel must be sealed. This directly affects fire safety. Why?
Soot often settles on the chimney walls. If it is not cleaned in a timely manner, it may ignite when exposed to air oxygen. The ignition temperature will be quite high - up to +1500º. If the thermal insulation of a heated pipe is poor, the floors or roof will catch fire.
Incomplete sealing of the smoke exhaust channel also leads to the gas burner fire going out. This problem is widespread when using gas boilers.

To seal cracks and join channel elements, it is best to use paste sealant for chimney pipes. The basis of such materials are different polymers that give different technical characteristics to the seal.

They are packaged in tubes of different configurations and volumes. There are packages that look like tubes of toothpaste. The sealant is simply squeezed out of them.

Tubes for mounting guns are also available. In this case, you need to cut off the spout on the cone of the lid, insert the sealant into the device and squeeze out the required volume of paste using the trigger lever.

Types of material

According to the form of release, high-temperature seals are divided into two- and one-component ones.

The first of them must be mixed before use. In most cases, they are used by professional builders.
This happens due to working conditions: when mixing components, you need to measure them very accurately. The permissible maximum error is only one gram.

In addition, if a small proportion of components accidentally gets into each other, a reaction begins, and the viability of the resulting mixture is only a few hours. Based on all this, for non-professional builders, I recommend using ready-to-use paste sealants.

Based on the area of application and withstandable temperatures, oven sealants are divided into two groups.

Heat-resistant seals are used for areas that heat up to +350º. The scope of their use: external surfaces of fireplaces and stoves, masonry joints (however, not between the masonry and casting of the stove). They are also suitable for sealing joints between parts of hot water supply and heating systems, sandwich chimneys and bricks with roofing.

Heat-resistant and heat-resistant analogues are able to resist extremely high temperatures - up to 1500º. The scope of their use is in fireplaces and stoves, areas where brickwork and furnace casting meet. In boilers they are used in furnaces and combustion chambers. In chimney ducts - at seams and joints, including those running immediately after the outlet pipe.

These pastes can be used in direct contact with an open flame. However, then the sealant must have an additional characteristic on the packaging: “fireproof” or “fire resistant”.

Heat-resistant seals

This type of high temperature seals is made on a silicone basis. The temperature regime that the composition can withstand may vary based on the exact composition of the paste. Thus, to increase thermal resistance, silicone is modified with iron oxide.

This paste holds temperatures well up to +250º, with a short increase to +315º. Iron oxide colors the sealant in a brownish-reddish tone.

Therefore, when using a similar composition for a brick stove or fireplace, you will not spoil their appearance, it will not be visible. It can also be used to seal the joints of heating pipes. However, aesthetics will suffer here.

Based on its composition, silicone material can also be neutral or acidic. The latter analogues dry out and release vinegar. As a result, such sealants are prohibited from being used for cements, concretes and metals that are not resistant to corrosion.

In this case, a reaction occurs between the base and the seal, which leads to the appearance of a layer of oxides or salts, which destroy the seal. Then the seams and joints stop playing their role, beginning to let air and moisture through.

Cement, concrete and metal can be sealed with neutral silicone-based sealants, because... when cured, they release alcohol and water. The main properties of neutral heat-resistant sealants are below.

UV resistance. Thanks to this, they can be used outdoors, for example, to seal roof penetrations.
Moisture resistance. This parameter makes it possible to use this composition for chimney ducts. For example, seal seams and cracks in roof passages, at the junctions of its flooring, and seal threaded connections when installing heating.
Good adhesion to substrates made of different materials: concrete, brick, glass, metal, plastic, ceramics, wood.
After hardening, the seal retains some elasticity and therefore does not crack under mild vibration and deformation. However, plasticity also has its drawback - paint does not adhere to silicone sealant. It peels and cracks.
The drying period of the material can be several hours or several days. This parameter is affected by the composition of the sealant and its storage time. The fresher the sealant, the faster it dries. The drying period is indicated on the packaging.

Manufacturers measure this parameter at a humidity level of 50 percent and a temperature of 23º. Changing their values shortens or lengthens the drying time. The lower the humidity and temperature, the longer it takes for the sealant to harden.

Polymerization of the sealant begins from its surface and continues inward; it requires air moisture. Based on this, do not make the seams deeper than necessary; the silicone at the bottom simply may not harden. In this case, the joint or seam will allow water or smoke to pass through.

To ensure that the compactor has good adhesion to the base, I strongly advise you to prepare it.

First, clean the surface down to the very base: remove dirt, dust, salts and oxides.
Next, wash it with water and thoroughly degrease.
Silicone-based sealants must not be used on wet surfaces. Therefore, wait until the base is completely dry before sealing.
The silicone seal holds well on a smooth surface. However, to improve the adhesion, I recommend that you sandblast it, emery cloth or other abrasive. Then wash the base again, wipe with solvent and dry. Next you can work with the sealant.

All silicone-based oven materials are painted red or brownish-reddish.

Heat-resistant analogues

The universal heat-resistant seal is made on the basis of silicates. The operating temperature regime that it can withstand is up to +1300º, and can withstand short-term exposure up to +1500º. This type of furnace sealant can be used in areas of direct contact with an open flame. In this case, the packaging of the seal should be marked: “fireproof”.

Heat-resistant seals are used:

for repairing leaks in heating boilers;
for sealing chimney pipes and sealing cracks in them;
for sealing areas where brickwork is adjacent to furnace casting;
for sealing fireclay lining of furnaces;
When installing a chimney made of sandwiches, it is also highly advisable to coat their modular joints with a similar product.

The exception is pyrolysis and condensation boilers; at their outlet the smoke temperature is up to +150º. Here you can use heat-resistant seals.

When you plan to make the chimney duct or other element collapsible, apply sealant only to the joints. By loosening the two sections and crumbling the seal, you can separate them.
If you apply a layer of the product over the entire surface, the structure will become monolithic. You won't be able to take it apart without damaging it.

Silicate-based materials have good adhesion to stone, brick, concrete, metal, and cement mortar. However, I warn you that they are not firmly held on a smooth plane, as a result of which such surfaces require abrasive treatment before applying sealant.

I would also like to note one point - the sealant can be applied only in the positive temperature range: +5/+40º. The best option is a temperature of at least +20º, in this case the composition dries faster.

Having hardened, the heat-resistant composition creates a strong and rigid, i.e. not elastic seam. Based on this, silicate sealants can be used in areas that are not exposed to vibration or are subject to it to a small extent. Otherwise, the material will crack.

However, plasticity has its advantage - it makes it possible to paint the seal. The silicone composition is distributed using a mounting gun and is no more than one centimeter thick.

Please pay special attention to the fact that some types of heat-resistant seals, if they come into contact with the skin, can cause chemical burns. Based on this, when working with your hands, wear rubber gloves and be careful.

Fire-resistant and heat-resistant oven sealants are painted black or gray. They do not have other colors.

They are not pure sealants, but rather a sealing adhesive.
These products are transparent and can withstand temperatures up to +200º.
Such compositions are chemically neutral, i.e. they do not react with salts and acids. The drying period is not affected by humidity and temperature. Thanks to this, they can be used outdoors and during the winter season.
Sealing adhesives are waterproof. Therefore, they can be used in rooms with high levels of humidity - in a shower, bath, bathhouse, etc.
The relative disadvantage of such compositions is that they are not high-temperature.

Of these sealants, I can recommend you the “Fix All” brand sealing adhesive from the Soudal company. It is not directly related to heat-resistant analogues, but is perfect for repairing leaks, cracks in heating networks, as well as hot water supply, both in the pipes themselves and in the fittings.

Popular product brands

Almost always, manufacturing companies write on the packaging of heat-resistant seals their main purpose. For example: “sealant for chimneys, fireplaces and stoves.” So, you can't go wrong with your choice.

"Soudal-C". The Belgian company Saudal produces a diverse range of sealing materials. These include heat-resistant analogues, as well as heat-resistant stove and fireplace seals “Soudal-Calofer”. Such compositions are painted black.

The Penosil company produces heat-resistant sealant for Penosil/+1500 ovens. It is black in color and can withstand temperatures up to +1500º. It polymerizes within 15 minutes.
The company also has heat-resistant red analogues that can withstand temperatures up to +300º. They are acidic, so they cannot be used on concrete, cement and metal.
In the middle price segment you can also find seals that are of good quality. For example, heat-resistant sealants of the Tytan and Bau-Master brands.

Under the Titan brand, a group of companies from Poland, Selena-Group, produces professional-grade construction and finishing materials, including oven sealants. They are standardized and have DIN and ISO No. 9001 certificates.

The Tytan high-temperature seal is modified with fiberglass; it gives the material a high degree of gas and smoke impermeability. It is able to withstand temperatures up to +1250º. This composition is suitable for chimney pipes and stoves.

Conclusion

Without pipe sealants, the effective operation of many utility networks is impossible. Depending on the type of network, different types of seals should be used.

If you watch the video in this article, you will learn more information. Ask your questions in the comments.

So I say goodbye, and good luck to you in your endeavors!

July 25, 2016

If you want to express gratitude, add a clarification or objection, or ask the author something - add a comment or say thank you!

Adhesive tape size: length - 3m/10ft, width - 25mm/1”, thickness - 0.5mm/20mil.

Electrical insulation degree: 800 Volt.

Material: silicone.

Permissible temperature range: from -60 to +260 degrees Celsius.

Withstands maximum permissible pressure: up to 5 bar.

The tape does not support combustion. It is waterproof and moisture resistant.

Silicone adhesive tape is designed for emergency repair of hoses, pipes, insulation of electrical connectors and terminals.

Once wound around the hose, the tape vulcanizes and becomes part of the hose, making the repair site resistant to re-damage.

Can be applied and adhered to damp, dirty and greasy surfaces.

In the event of unforeseen emergencies, it can be used for medical purposes - as a tourniquet to stop bleeding, or to fix limbs in case of injury.

Designed for storage in a vehicle or as part of a set of equipment for repairing hoses and pipes.

Possible order options

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The order arrived in two weeks, everything is fine, I haven’t tried it yet, I think everything will be fine. Thank you to the seller for the fast delivery and well-packaged goods!

Delivery was very long, almost two months. Package torn, one roller was lost. The seller needs to pack the goods better. I have not yet checked the tape itself for leak retention. I'll write back later.

The packaging is good, the product is undamaged, it seems larger in the description, the width is 1.3 cm. Haven't used it yet. Thanks to the seller.

everything according to the description has not yet been tested in practice, it’s better not to will come in handy, and let it be at hand

Delivery is fast - it reached Kyiv in 16 days. Haven't used it in practice yet. Thank you to the seller for your promptness.

The tightness of the sewer system is one of the main conditions for the normal operation of this type of communications. The possibility of leakage must be completely eliminated so as not to pose a threat to nearby networks, structures and the environment.

Sealant for sewer pipes will prevent leaks - the product is used for both internal and external work. How does it work and which one is better to choose? Agree, it's worth finding out.

So that you can find and purchase a suitable sealant, we will identify the popular options and describe their specific use.

The article discusses in detail the technologies for using sealing materials. There is a rating of manufacturers of the best products produced for this area of construction. Photo applications and video reviews will help you get comfortable with the topic.

The sewerage system is reliably sealed during the installation stage. During operation, the internal system is regularly inspected in order to detect and eliminate leaks in time.

Wastewater should not flow out, and nothing should get into the sewer system from the outside, because... this can disrupt its operation and lead to serious damage.

Particular attention should be paid to sealing pipes as they are much more difficult to repair if leaks occur. If the operation of the system is disrupted due to groundwater entering it, a lot of effort will have to be made to determine this.

Repairing the underground part of the sewer system is almost as labor-intensive and expensive as installing a new section of pipeline. It involves a large volume of excavation work, replacement of damaged system elements

Careful sealing during the construction phase of the sewer system prevents a number of problems:

Leaks to the outside. Once in the soil, wastewater can contaminate water in drinking wells and cause serious illnesses. Unpleasant indoors is also dangerous, because... rotting organic matter releases gases harmful to humans: hydrogen sulfide, ammonia, methane.
Flooding of buildings and structures. In case of severe leaks, soil erosion may occur. Sewage water floods foundations, cellars, cellars, and basement floors. Due to the high content of chemically active substances, they accelerate the destruction of building materials and provoke corrosion.
Leaks into the system. If atmospheric or groundwater enters the system, the pressure in the pipeline increases. Due to the strong pressure of wastewater, the operation of pipes is disrupted, and treatment or storage facilities may not be able to cope with the additional load and fail.
Leaks at joints due to temperature changes. If the system is initially installed efficiently, the joints are reliable and do not leak even without additional sealing. However, processing is still necessary, because Temperature changes over time lead to a decrease in tightness.

They are used for installation of sewerage systems. A suitable sealant should be selected for each pipe material. The choice also depends on the installation technology and the intended purpose of each individual element of the system.

Main types of sealing materials

Many different materials are used to seal sewer pipe connections:

sealing tapes;
polymer sealants;
technical sulfur;
jute and hemp ropes;
epoxy resin;
Portland cement;
mastics based on petroleum products;
rubber cuffs.

Each sealing material has its own varieties, features, purpose and scope of application.

Option #1: Sealing tapes

There are regular and foil self-adhesive tapes. They are designed for sealing connections of water and sewer pipes and have unique properties. The tapes contain bitumen-polymer materials, making them absolutely waterproof.

Option #3: technical sulfur

Technical sulfur is produced by processing petroleum products. It can be powdery or lumpy and is sold in hardware stores. This is a good option for sealing joints in cast iron pipes. An additional plus is the low price.

Sulfur is a hard and brittle sealant. To make it more elastic, do not overheat the material. You can also add ground kaolin to the sealing composition (in a ratio of 1:10)

The sulfur is crushed (if lumpy sulfur is purchased), heated to the melting temperature (about 130-150˚C), and then poured into the bell space.

When the material hardens, it will turn into a dense, waterproof mass. Its only drawback is low elasticity.

Option #4: Portland cement

Portland cement is indispensable for many types of work. The material contains clinker, gypsum, and calcium silicates. The dry mixture is diluted with water until a thick solution is obtained. It hardens quickly, forming a high-strength, frost-resistant and water-repellent monolith.

Portland cement begins to harden within 5-10 minutes, so the solution should be prepared immediately before use, and work should be carried out as quickly as possible

Special additives are added to the cement mixture to increase its elasticity - this allows you to reliably seal pipeline joints. The material is resistant to temperatures, tolerates freezing and unfreezing well, so it is successfully used in outdoor installations.

Option #5: epoxy resin

Epoxy resin is a universal adhesive that can also help out when installing sewer systems. To prepare a sealing compound, epoxy resin is mixed with a hardener. The proportions depend on the brand of material and are indicated in the instructions for use.

Be careful when preparing the sealing compound. If there is too much hardener, the finished mixture may become hot or even boil

When mixing resin and hardener, it is important to strictly follow the manufacturer's recommendations, otherwise the hardening time of the composition and the performance properties of the finished coating may change.

Option #6: bitumen mastics

The sockets of ceramic pipes are often filled with bituminous materials. Bitumen-rubber and bitumen-polymer mastics have proven themselves to be excellent. Based on the type of application, they are divided into cold and hot.

Cold and hot mastics are an inexpensive sealing material, freely sold in construction supermarkets. They are elastic, durable, resistant to chemicals

To seal pipes, it is better to use cold-applied compounds, because... they are much easier to use, and the work itself is safer. The only disadvantage of such sealants for sewer pipes is that they are somewhat more expensive.

Option #7: jute and hemp ropes

To seal the joints of cast iron and ceramic sewer pipes, hemp and jute ropes and resin strands are traditionally used. These are cheap and easy-to-use materials, but in terms of their technical and operational properties they are significantly inferior to modern sealants.

Jute ropes look more attractive than hemp ropes, but the materials differ little in their performance properties. It is better to give preference to hemp, because... it's cheaper

For sewer pipes, it is better to use sanitary silicone or polyurethane sealants. Their quality and durability can vary greatly depending on the manufacturer, so pay attention to brands and choose the most reliable ones.

Option #8: sealing cuffs

Durable cuffs made of thick technical rubber are used to protect the joints between the casing and the working pipe. They are applicable for pipelines of various types - technological, sewer, drainage. The diameter of the products is from 2.5 cm to 2 m.

There are different types of cuffs. The most common are TM, that is, heat-shrinkable, coated on the inside with an adhesive layer. To make the transition airtight, the rubber is heated. It shrinks and tightly grips the pipes, while simultaneously sticking to them.

8 best sealant manufacturers

Brand Sealants Ceresit And Moment out of competition. They are reliable, durable, highly elastic and adhere to any surface. If you have the opportunity to purchase formulations from these brands, do not hesitate, because... you will pay not just “for the name”, but for real quality.

There are 6 more brands that produce decent products:

Ciki Fix. This brand produces high-quality transparent sealants that are perfect for metal and ceramic pipes. The finished coating is resistant to detergents and solvents.
Belinka. These are popular one-component compositions for sealing seams and joints. They are resistant to negative influences, durable and elastic.
Tytan. The Tytan brand produces high-quality sanitary sealants based on silicone. If you need a high-strength seam, you should give preference to the Tytan Professional polyurethane composition.
Krass. The Krass brand produces fast-curing, one-component sealants, which, after hardening, form tight joints that do not shrink.
S 400. A distinctive feature of sealants of this brand is increased biological stability. The composition includes a large number of fungicides that prevent the appearance of fungus and mold on the seams.
Dow Corning. The sealants of this brand hold surfaces together so firmly that they are used as glue. They are thicker than compounds of other brands and penetrate deeply into seams and joints.

Sometimes sealants are subject to increased requirements for certain performance characteristics. In such cases, it makes sense to carefully study the manufacturers' descriptions and consult with sellers.

When purchasing, pay attention to the presence of antifungal additives in the sealant. Microorganisms grow particularly well at the joints of sewer pipes, and a high concentration of fungicides is needed to prevent this

For example, the best sealant for rooms with increased fire hazard is a universal composition Krass; for complex connections – "Moment Germent"; for ceramic pipes – Belinka Belsil Sanitary Acetate; and for rooms with constant high humidity - Ceresit CS 25 or S 400.

Conclusions and useful video on the topic

During the process of sealing a sewer system, many questions arise. We offer video materials that will help you cope with difficulties and complete all the work yourself.

Instructions for sealing sewer pipes using silicone sealant:

Whatever type of sealant for sewer pipes you choose, you need to carefully prepare the surfaces and perform the work efficiently. There should be no cracks or fistulas on the pipes. Before sealing, they are cleaned, repaired, and degreased.

When working, you should strictly adhere to the technology, and after finishing it, wait the allotted time until the composition hardens. Only after this the system can be operated normally.

Do you have experience sealing sewer pipes? Please share information with our readers and suggest your method of solving the issue. You can leave comments in the form below.