Ruberoid for the roof is an excellent replacement for modern materials. What is roofing felt? Description, properties, application and price of roofing felt Waterproofing film on old roofing felt

Roofing felt is extremely popular among consumers, despite the fact that a huge number of new waterproofing and roofing materials are now being produced. This is explained, to a large extent, by the low cost of roofing felt and the ease of its installation. In addition, this material has simply wonderful performance characteristics.

They use roofing felt for the roof of any building, for waterproofing protection of foundations, joists, beams, etc.

When did you start using roofing felt?

This material began to be used in construction back in the 17th century. Then the roofs were laid with special paper, which was then poured with hot tar. At the beginning of the twentieth century, they began to produce roofing felt created on the basis. At the moment, there are quite a few types of this. Basically, roofing felt is divided into lining and roofing. In the production of the second type, thicker cardboard and coarse powder are used.

The process of making roofing felt

The technology for manufacturing roofing felt is very simple and consists of the following: a layer of roofing cardboard is pre-impregnated with soft petroleum bitumen, then a layer of refractory bitumen is applied to both sides of the resulting sheet. The upper part is sprinkled with sand.

The result is a fairly reliable material called roofing felt. Roofing and lining roofing felt can also differ in the thickness of the bitumen coating. Currently the following types of material are produced:

  1. RKP-300, RPK-350. This roofing material is soft and can be used for both the top and bottom layers of roofing.
  2. RPP-300. Lining-type coating with very fine dust dust. Used as a bottom layer soft roof.
  3. RKK-400. Thick roofing felt with coarse powder. Used as the top layer of soft roofing.
  4. RKP-350U. RKP-300, but with a thicker bitumen application roofing felt Types can have a thickness chosen by the customer.

What else is classified as roofing felt?

Roofing felt is also considered to be roofing glassine and bituminous packaging paper. The latter is used for wrapping various kinds units and parts. Glassine is used to protect the roof as the bottom, first layer of the protective carpet. Roofing material, of which there are a wide variety of types, is now represented in liquid version. It can be used in the same cases as a regular one. It is applied using brushes or a roller. After hardening, the liquid roofing felt forms a continuous thick carpet that reliably protects various surfaces from moisture.

Laying roofing felt

Roofing material (types do not matter) is always laid on a dry, level base, previously primed with bitumen diluted in gasoline. The canvases are laid with an overlap of about ten centimeters. Roofing felt is glued to bitumen mastic. The most convenient to use is self-adhesive roofing material. Types of such material are protected on the underside with a film or cloth, which must be removed before installation.

Roofing felt is a fairly reliable material that is easy to install and transport. This explains its long-term popularity among private homeowners.

What is roofing felt, what is this building material for, and what advantages does it have? Will it give a head start to modern types of rolled flooring or can we safely classify it as a rare and impractical waterproofing material? Let's try to sort out these questions so that the undertaking major renovation or new construction was pleased with the result obtained, and the roof did not cause trouble for many, many years, protecting the house from heat and bad weather.

In the classical presentation, roofing felt is a rolled multilayer material designed for waterproofing roofs, foundations and other stages of construction. A special soft base is impregnated with petroleum bitumen, which is characterized by slight fusibility, after which it is completely covered with a layer of refractory bitumen and sprinkled with abrasives of different fractions.

From an etymological point of view, the word “roofing felt” consists of the Latin rubber, which translates as “rubber”, and the Greek είδος – type. Indeed, some brands of this soft insulation resemble rubber.

Purpose and main types of familiar material

Ruberoid Most often used for roof waterproofing. It can be either part of the roof deck or a full roof covering. It is also popular when arranging foundations and basements. Market of modern building materials offers several types of roofing felt.

Rubemast. It is distinguished by increased plasticity. This is achieved by applying an increased amount of viscous bitumen to the roofing base cardboard. This material has more long term service, practically does not crack.

The main thing is not to violate the technology prescribed by the manufacturer when laying it. The bottom layer of the canvas should be well heated using gasoline blowtorch or gas burner, and only after that the melted material is mounted on the surface. In this case, mastic is not needed as a layer.

Glass ruberoid. The same rubemast, except for the base material. Instead of fragile cardboard, special fiberglass is used. Can be produced in various modifications.

Tol. An outdated type of roofing, it is now practically not produced. Cardboard is used as a base, completely coated with a shale-tar mixture or a composition based on coal. The external coating is applied on both sides, the raw materials are natural minerals.

The name itself indicates that this species is the most modern and practical look roofing felt It is an improved modification made from fiberglass or synthetic polyester. The outer cover consists of polymer-bitumen membranes and can have different densities and thicknesses. Like rubemast, it requires melting of the bottom layer during installation. The service life of such coating can exceed 30 years.

How to read building material markings

If with species everything is more or less transparent, then with markings the situation is somewhat more complicated. How not to get confused in the abundance of letters and numbers? Produced in accordance with GOST 10923-93, the material is supplied with a label that contains all data about the product, encrypted in the form of markings. It is enough to remember the memo below in order to find out what the roofing felt is made of and not to violate the subsequent installation technology.

  • The first letter in the code indicates the product type. All brands of roofing felt are marked with the letter “P” as the first letter in the abbreviation on the label.
  • The second letter indicates the purpose of the product. Ruberoid with the letter “K” is suitable for the top layer roofing pie, and products with “P” can be used exclusively for lining layers.
  • The third letter will help determine the type of sprinkle, including the size of the granules. So, “K” is a large grain of stone chips or granulate. “M” – fine sand grain. “Ch” – powder in the form of flakes, mica slate. “P” is the finest type of dusting, chalk dust or soapstone dust. “E” is an elastic roofing material.
  • The numbers at the end of the marking abbreviation indicate the density of the base. They indicate the weight of one square meter coatings are indicated in grams.

In addition to the symbols mentioned, on the label you can also find the letters “A” and “B”, coming after the numbers characterizing the density of the material. These symbols help identify which absorbent cardboard was used in production. So, “A” is capable of being saturated by 145% in 45 seconds, and “B” - at least 135% in 55 seconds.

General characteristics of some popular brands

The popular roofing felt RKP and RPP have the following differences:

  • The RCP is equipped with fine-grained powder and is used for upper layers roofs;
  • RPP is a lining modification with a fine powdery coating, used when arranging the lower layers of the roofing carpet.

Various types roll coverings

The RKK brand is roofing felt with coarse coating for arranging the upper layers of the roofing pie. Characterized by high waterproofing properties, tolerates well mechanical influences, straight Sun rays and at correct installation serves no less than 5 years. The coarse-grained roofing material, the photo of which is located below, is also distinguished by its aesthetic effect.

Secrets of selection and subsequent styling

Classic roofing felt cannot boast of great durability. Scorching sun, heating the roof above 50 degrees contributes to its softening, and low temperatures V winter period lead to cracking. Multilayer installation will help save the situation. Thus, the service life of the roof will be increased in direct proportion to the number of layers used. But no tricks will help if you don’t buy it in the first place. quality material.

How to choose quality material and not buy into advertising

Having understood what roofing felt is, you can move on to choosing it. Roofing material must be carefully inspected when purchasing. In addition to compliance with GOST on the label, pay attention to the following points:

  • First of all, the markings are checked. The brand of roofing roofing felt must meet the intended tasks.
  • Each roll must be thoroughly inspected. The winding should be smooth and there should be no sticking.
  • No deformations or violations of integrity in the form of folds, cracks, tears or holes are allowed.
  • When inspecting the end side of the roll, areas without impregnation or its uneven thickness should not be detected. The presence of light areas indicates uneven bitumen impregnation.

Each roll is marked

In addition, when purchasing roofing felt, you need to pay attention to such parameters as the width of the roll, its weight, base density, heat resistance and moisture absorption.

Multilayer installation: how to fasten several layers

The idea of ​​multi-layer installation is often accompanied by the question: how to glue the roofing felt together so as not to disrupt the waterproofing properties of the future roof. There is no universal answer, but there is a choice.

Most affordable option– fasten the layers together by simply heating them with a hair dryer. You should not take risks if there are doubts about the quality of the roofing material used or there is a risk of its improper storage. Such material may not stick together without additional binders.

The second solution is to use a fused roofing for gluing, which can be purchased at construction stores.

A built-up roof is a base covered with dried bitumen. Of the many modifications, the best option is the one fiberglass reinforced. Warming up such a surface with any in an accessible way– with a blowtorch, hair dryer, gas burner, the substance should be placed between the roofing layers that are planned to be glued together.

Hot way

If such a pie is attached to wooden base, then for better fastening you can use self-tapping screws with a press washer, adding plywood, fiberboard or durable plastic to the press washer.

Also, liquid tar or special bitumen mastic is used as a binder. The mastic can be selected in accordance with the surface to which it is intended to be glued.

How to replace roofing felt - alternative materials

The confusing fact is that roofing felt roofing is relatively short-lived. Only 5-10 years pass - and again you have to climb onto the roof. Construction technologies do not stand still and more wear-resistant alternatives are growing like mushrooms after rain.

In addition to the mentioned euroroofing felt and fiberglass-based coatings, there are other options that have good waterproofing characteristics.

"Bikrost" - waterproofing and vapor barrier

The basis for the fabric of this modern material is fiberglass or polyester, onto which a binder of bitumen and fillers is applied on both sides, protected on top by coarse or fine-grained topping and polymer film.

The material is characterized by high ductility and increased service life. Laid overlapping on a pre-laid layer bitumen mastic. After installation, it is heated with a gas burner and rolled special roller. This technology eliminates poor-quality connections of strips during installation.

Bikrost is based on fiberglass

Brands of roofing felt "Bikrost" are available in two types:

  • "Bikrost K" is intended for the upper layers of the roof, has protection from the sun. The material is coarse-grained, the underside of the canvas is covered with a polymer film.
  • "Bikrost P" is suitable for waterproofing the lower layers of roofing pie. It can be made with fine-grained coating on both sides, or with a polymer film or combinations thereof.

"Bikrost" is a development of the Russian company "Techonikol".

Other modern alternatives to roofing waterproofing

Fused roofing is different simple installation, high term service, low layering index. The non-cardboard base is coated with polymer or bitumen. Requires heating during installation.

Liquid rubber is durable, frost-resistant, and non-toxic. During installation, a brush or spray gun is used, so coating is possible on surfaces with any configuration. The main advantage is strength, elasticity and the absence of even a hint of seams. The disadvantage is the high price.

Applying liquid rubber to the roof surface

"Parchamine" is another roofing material based on cardboard impregnated with bitumen. It's more modern look roofing material, which can be used in the lower layers of the roof, as well as for waterproofing the facade.

Izospan is intended exclusively for use as a vapor barrier for interior decoration. How self-roofing cannot be used. Well protects the laid layer of insulation and the walls from inside the building.

By choosing ordinary roofing material for roof waterproofing, you can save a lot. In addition, the dismantled old coating can be recycled and reused. If quality and durability are a priority, then it is better to give preference to its more technologically advanced and reliable modified versions with an extended service life.

Video: covering the roof with roofing felt

Corrugated sheeting is used not only for installing roofs on newly constructed buildings - owners of suburban real estate are often faced with the need to reconstruct the covering of old roofs that have already served their purpose. It is in such cases that the question most often arises whether it is possible to lay corrugated sheets on old roofing felt.

Just 20-30 years ago, roofing felt was one of the most popular waterproofing and roofing materials. And if slate and tiles were more often used for the roofs of residential buildings, then almost all garages, sheds and other non-residential buildings were covered with roofing felt.

The process of installing roofing felt on the roof in two layers

If you are the owner of one of these buildings and want to lay corrugated sheets on top of roofing felt, but don’t know if this is possible, then this article is for you. First, let's figure out what this roofing material is.

What is roofing felt and what types does it come in?

The roofing felt used by builders in the recent past was made from a mixture of bitumen with various inclusions that gave it a certain strength. A mixture of cardboard and cellulose was usually used as such inclusions. This mixture was impregnated with soft grades of bitumen, and then covered on both sides with another, more refractory bitumen.

This roofing material has good waterproofing properties and, most importantly, low cost. With the advent of new technologies, roofing felt with a reinforcing layer not made of cardboard, but of fiberglass and polyester, appeared on the building materials market.


Rolls of old-style roofing felt

This material is stronger, more elastic and durable. It is also often called “euroruberoid”. The cost of this roofing material is much higher, but due to its high consumer qualities, “euroroofing material” has practically ousted its older brother from the building materials market.

Disadvantages of roofing felt

The main disadvantages of roofing felt paper based are low mechanical strength and susceptibility to rotting. It is precisely because of these shortcomings that it does not always make sense to install corrugated sheeting on roofing felt.

In most cases, when reconstructing a roof old material It's better to take it off. However, there are exceptions to this rule. About them - below.

Laying corrugated sheets on roofing felt: main conditions and main installation features

As mentioned above, the main disadvantages of roofing felt are poor mechanical characteristics and susceptibility to rotting. Therefore, if eliminate the constant presence of moisture and protect it from mechanical damage, you can safely mount the corrugated sheet on roofing felt on the roof.

The first condition is very easy to fulfill due to the fact that the very shape of the surface of the corrugated sheet ensures good air circulation and ventilation of the waterproofing material underneath. Therefore, under the profiled sheet, moisture will not accumulate and linger on the surface of the roofing material.

Any roof sheet materials, including corrugated sheets and metal tiles, requires mandatory installation under roofing waterproofing layer. This is necessary for protection rafter system and under-roof space from condensation formed on metal surface when there are changes in outside air temperature. Even old roofing felt can successfully serve as waterproofing if you lay corrugated sheets on top of it.


Laying roofing felt on a continuous roof sheathing

Laying corrugated sheets on roofing felt is possible even without installing additional counter-lattens and sheathing, if your region does not have hot summers. If this is not the case, then a counter-lattice, with a wide beam, is a necessity.

The fact is that any bitumen-based roll materials have a low melting point. During the hot season, a metal profiled roofing sheet can heat up to temperatures above 60°C. Therefore, by placing a profiled sheet on roofing felt without a counter-lattice, you can simply melt its surface.

Is roofing felt needed for corrugated sheeting when constructing a new building?

If you are doing installation new roof, and not by reconstructing the old one, roofing felt under corrugated sheeting can be laid instead of a waterproofing or vapor-permeable membrane. However, this only applies to non-residential and lightly used premises. This should never be done when constructing a residential building.

It will undoubtedly provide excellent protection against moisture. Especially if the waterproofing is made from “Euroroofing material”. When laying its joints, they are heated using construction hair dryer or a blowtorch and glued together. In addition, it is laid in two layers. This ensures almost absolute tightness of the roof covering.

However, even if you provide very good ventilation under-roof space, putting roofing felt under the corrugated sheet, you will get unpleasant consequences caused by its heating. Of course, it will not melt if installed correctly. But you are guaranteed a pungent smell. As well as harmful volatile substances contained in it that are dangerous to human health.

With reliable insulation of the roof, walls, and foundation, you can significantly reduce space heating costs. The most practical materials for durable insulation, isobox, roofing felt, and stekloizol are considered.

Roofing felt is produced by impregnating roofing cardboard with special bitumen. Manufactured in accordance with GOST requirements, modern roofing felt is moisture resistant and does not rot.

Glass insulation is also used as a waterproofing material. It is qualitatively different from other bituminous materials. It does not contain polymer additives. This means that the service life of glass insulation is shorter than that of others.

Advantages of roofing materials

According to experts, glass insulation is superior in its characteristics to roofing felt and other materials. Fiberglass and fiberglass included in the composition of this material, provide excellent qualities to glass insulation. There are several types of glass insulation: roofing, gasket. The thickness of the material is 3-3.5 mm, the width of a standard roll is 1 meter. Laying of roofing material can be carried out at very low temperatures, but even with high temperatures the material completely retains its properties.

There are several types of products designed for insulating structures. Each type differs in composition and functionality. In the manufacture of roofing felt, polymer modifications and fillers are used. Chalk, limestone, clay and other elements increase moisture and heat resistance.

Features of roofing felt and glass insulation

Just like stekloizol, roofing felt has several varieties: glass roofing felt, euroroofing felt and roofing felt. Unlike conventional roofing felt, roofing materials based on binder bitumen are characterized by an increased base density and the presence in their composition various fillers. Before purchasing, you should clarify whether the roofing material is roofing material or lining material. The manufacturer indicates the density indicator and type of bedding.

The production technology of stekloizol and modern roofing felt is similar to each other. But in some of its indicators, glass insulation is still inferior to expensive roofing materials. Its main advantage is its affordable price. Functionally, stekloizol combines several functions. The presence of a special water-repellent layer makes it possible to use the insulation as a waterproofing agent.

The demand for roofing felt among consumers is not decreasing, despite the recent emergence of large quantity new roofing and waterproofing materials. The popularity of roofing felt is ensured by its low cost, ease of installation and excellent performance characteristics. Ruberoid is used both for roofing works, and for waterproofing foundations, beams, joists, etc.

Making roofing felt

Traditional roofing felt based on bitumen mastics began to be produced at the beginning of the 20th century. The technology for making roofing felt has remained virtually unchanged since then: a layer of roofing cardboard is impregnated with soft, fusible construction or road bitumen with a softening point of 34 - 50 degrees, and then a layer of refractory bitumen with a softening temperature of at least 80 degrees is applied on both sides, containing powder at mineral based. Filler powders based on sand, limestone or dolomite flour, talc or gypsum are used to increase the heat resistance and moisture resistance of the coating. Then top part sprinkled with sand or talcum powder to prevent the layers from sticking together during storage, and the fabric is wound into rolls. The result is a reliable and durable waterproofing material - roofing felt.

Marking of roofing felt

Based on the scope of application, roofing felt is divided into lining and roofing; they differ in the thickness of the cardboard and the topping. The coating of roofing roofing felt is larger than that of the lining material, and the cardboard layer is also thicker. They may also differ not only in the thickness of the cardboard base and the size of the grains of the topping, but also in the thickness of the bitumen coating.

In the production of roofing felt, the following types of designations are accepted:
1. Material: “P” - roofing felt.
2. Purpose: “K” - roofing, “P” - lining.
3. Type of topping: “K”, “M”, “P”, “Ch” - coarse-grained, fine-grained, dusty, scaly.
4. Density of cardboard base: 300, 330, 350, 400 g/m2.

Main types of roofing felt and their application

RKP-300, RKP-350 - soft roofing felt with dust-like coating on both sides of the sheet. It is used as both upper and lower layers of roofing, as well as for waterproofing building structures.
RPP-300 is a soft lining roofing material with dust-like coating on both sides. Applicable only to the bottom layer of roofing carpet.
RKP-350U is a roofing felt material with an increased thickness of bitumen coating.
RKK-400 is a roofing felt material with coarse-grained topping. Used as the top layer of roofing.

Varieties of roofing felt

The following materials are types of roofing felt:
1. Glassine is a rolled material obtained by impregnating roofing cardboard with bitumen.
2. Roofing felt - cardboard impregnated with tar with mineral coating on both sides.
3. Rubemast - differs from roofing felt in its increased bitumen content inside. It is laid by melting the bottom layer.
4. Glass ruberoid – rubemast with a fiberglass base.
5. Euroroofing felt - a modified roofing felt based on fiberglass, with an outer layer impregnated from a mixture of bitumen and polymer additives. Applied by fusing method, has an increased service life.

Ruberoid is a waterproofing and roofing material that is the most affordable and simple. It has been on sale for more than 50 years. Many are familiar with this material, and some have only heard about it. The production of roofing felt begins with the roofing cardboard being impregnated with petroleum bitumen. After which the material is coated on both sides with refractory bitumen.

At the end, it is sprinkled with talc, asbestos and other materials. Let's take a closer look at this material, find out its types, brands and other useful information, which will help you choose roofing felt.

Types of roofing felt

In general, roofing felt is a roofing material. This is a type of soft roof that is often used to cover flat roofs or agricultural buildings. The material is flat and floats to the surface. The roof is silent. But, it is also used as a waterproofing material. Only for this purpose you need a special brand of roofing material.

The production of roofing felt in rolls is carried out in sheets, the width of which can be:

  • 1.25 m;
  • 1.5 m.

These are standards that manufacturers are in no hurry to change. Only sometimes material of a different width is produced. Because technical progress moving forward bituminous materials More than 60 variations are produced for roofing. Over time, the composition of roofing felt has changed. IN classic version- this is construction cardboard impregnated with bitumen, covered with it and sprinkled with crumbs. More information about the species is described in this video:

Pros and cons of the material

Why is the material so popular? Here are its advantages:

  1. Good ability to repel moisture.
  2. Light weight.
  3. Versatility.
  4. Quiet as a roofing material.
  5. Flexible material, good tensile strength.
  6. Easy installation and transportation.
  7. High heat resistance, about 80˚C.

If we talk about the disadvantages of the material, it is its short service life, which is no more than 10 years. Yes, and you need to spend money on installing a continuous sheathing if we are talking about using it as a roofing material. Well, if we talk about the price of the material, then everything depends on its characteristics: size, weight, area. On average, you will have to spend from 160 to 260 rubles for 1 roll.

Ruberoid markings

Roofing material GOST 10923-93 states that the material must comply with the standards, and it must be marked accordingly. It is indicated by an abbreviation of letters and numbers. These letters have their own meaning. For example, one of the popular brands is roofing felt RKK 350, used for laying the top layer of the roofing pie. What do these letters mean?

  1. Any brand will have the letter “P” in front, since it indicates the type of material - roofing felt, and in second place the letter “K”, meaning that it is roofing. If the second letter is “P”, then the product is lining.
  2. The third letter changes and indicates the type of sprinkle. For example, our second letter is “K”. It indicates that the topping is coarse-grained. If there is a letter “M” - the layer of topping is fine-grained, “P” - in the form of dust. And when there is a letter “H”, then it is scaly.
  3. A three-digit number indicates the density of cardboard per 1 m2.
  4. Additionally, products can be designated by the letters “C” and “E”, which indicate colored coating and elasticity.

Therefore, our RKK 350 brand means that the product is intended for roofing and has a coarse-grained powder with a cardboard density of 350 g/m2. If the roofing material is RKP, then this is a roofing product with dust-like coating. But here is RPP lining roofing material with dusty topping. Everything is clear with the number in front.

The most popular brands are RKP 350; EKP, RPP 200; PM 350; RKK 400 and RPP 300. Now let’s take a closer look at the types of material.

Armored roofing felt

In order for products to be bought, most manufacturers give products useful features. Reservation is one such property. Many people say that the RKK 350 is armored. But products with a cardboard base density of 500 g/m2 can be called such.

In addition, one more condition must be met: the armored roofing material must have colored powder. After all, colors other than black and gray absorb the rays of the sun. As a result, the service life of the coating is extended. The price for such material is from 350 rubles. He deserves 4 out of 5.

Euroroofing material

If we talk about modern materials, they are not based on cardboard at all. Usually it is replaced by fiberglass or fiberglass. Those technologies are already a thing of the past. Even the impregnation for them is made on the basis of different polymers. This type is divided into two types:

  1. Liquid roofing felt.
  2. Fused roofing felt.

Liquid roofing felt

The main component of the product is liquid rubber. The mixture itself is cold. It is different from traditional rolls. A special feature is ease of installation. There is no need to heat anything. The mixture can be applied with a roller, brush or a special unit. The result is a monolithic, seamless surface with excellent adhesion. Liquid roofing felt is black.

This coating will last for a very long time. The composition contains bitumen, polymers, plasticizers, rubber and additives. This complex makes liquid roofing felt durable. Moreover, they can repair and seal damaged areas. If the integrity of the roofing pie is damaged, such a section is removed, the damaged rubber is melted and refilled.

Note! Even classic types of products can be repaired.

Rubber is used for waterproofing foundations and plinths, structures with big amount water (fountain, pool). In addition, it serves to protect metal from rust, construct roofs, and provide coverings for playgrounds. Product volume is up to 200 liters. She could very well become roofing material, but it is used as a bottom layer under a solid roof. The only negative is the cost. But if you compare the pros and cons, it is beneficial. Ruberoid rating - 5 points.

Welded roofing felt

To use it, the lower thickened, astringent layer should be melted. After which it is glued to the surface. Composition - bitumen-polymer binder on a fiberglass or polyester base. Cover everything with fine-grained topping. If you follow the installation technology, the coating will last for decades. Labor intensity is minimal. Previously, they melted the resin and carried out further manipulations: they coated the roof while the resin was hot, and quickly laid roofing material. Today everything is much simpler.

The product is used as roofing and waterproofing layer. For waterproofing, any structure can be coated in any climate. Heat resistance - 100-140 °C. Everything is sold in rolls, 10 m wide. One roll will cost 1,200 rubles. But the service life is 20 years. Color: dark or gray. Ruberoid rating - 5 points.

Self-adhesive roofing felt

One of the modifications that simplifies the whole process. This bitumen membrane can be glued to wood, concrete and steel. Used as a waterproofing base. The peculiarity is that self-adhesive material for waterproofing is used where it is impossible to light an open flame. All you need to do is remove it protective film and stick, gradually rolling out the roll onto the base. Usually, it is dark gray in color.

As for the service life, it is average and does not exceed 10 years. Even if everything is done according to technology, it will be difficult to exceed 10 years. Ruberoid rating - 4 points.

Reinforced roofing felt

A special feature is the high mechanical strength of the roll. The base is fiberglass, which is additionally reinforced with mesh. The base is covered with a composition of bitumen and polymers. Due to the reinforced layer, it is thicker and can withstand increased load, which is distributed over the entire surface. There is no formation of fungus or rotting.

As for the powder, slate or granite can be used, which additionally reinforce the coating. The thickness is 3 mm or more. If we compare, 1 layer of reinforced roofing felt can replace 3-4 layers of regular roofing material. Characteristics: high adhesion to any substrate and shines in the sun. Color - gray. The durability of the coating is at least 20 years. Ruberoid rating - 5 points.

Conclusion

Ruberoid - universal material, proven over the years. Its varieties are simply amazing. And what’s interesting is that each type is suitable for its own purpose. If you follow the product installation technology specified in the instructions, then finished coating will serve you well. You will be pleased with the result, and the structures will be protected from moisture. All that remains is to choose suitable option and get to work.



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