Soft roofing, due to its low cost and ease of installation, remains quite popular today. However, it has to be repaired more often than others. Let's see how the repair takes place and what materials are used for this.
When repairs are needed
The most obvious and indisputable evidence that the time has come to repair the roof is the appearance of water on the walls and ceiling. But this is already an extreme case, which can be accompanied by a number of unpleasant events, including a short circuit in the power grid. It is clear that it is better not to bring the roof to such a state, and for this it must be inspected twice a year. If this is not possible, you can reduce the frequency of inspections to once a year, but not less often. The following signs should cause concern:
It is extremely important to clean the soft roof in a timely manner from branches, other heavy debris, materials left after construction or repair work. All this, under the influence of its own weight, eventually begins to "sink" in the roofing, deforming it and violating its integrity.
Particular attention should be paid to the junction of the roof to the skylights, skylights, chimneys and ventilation pipes passing through it.
If the roof has already leaked, you should not immediately start repairing the area directly above the leak: the roof must be carefully examined, since the defect can be located at a distance of up to several meters from the place where water appeared on the ceiling.
Types of soft roof repair
Works on the restoration of the roofing "pie" are divided into the following types:
- Emergency repair. It is produced unscheduled on an emergency basis, when the defects present can clearly lead or have already led to leaks. In the overwhelming majority of cases, only the top coating is affected, the damaged fragment of which is replaced with a new one or, more often, covered with a patch. Usually the area of the reconstructed area does not exceed 20% of the total area of the roof.
- Maintenance. It consists in the elimination of potentially dangerous defects identified during a scheduled inspection. Usually, the case is also limited to the manipulation of the top coating, which is either patched up or partially replaced. The area of repaired areas rarely exceeds 40% of the roof area. Routine repairs are recommended to be carried out annually, since the elimination of defects on early stage in the case of a soft roof, it can save a lot.
- Capital repairs. It is produced when the proportion of problem areas on the roof surface exceeds 40%. The work covers the entire roofing "pie" as a whole, including the restoration of the vapor barrier. The top coating is mostly replaced with a new one.
Overhaul is a rather expensive undertaking, which may well exceed the cost of the device new roof(the difference in price is due to the dismantling and garbage disposal).
Preparation for the repair of a soft roof
During the repair of the roof, the building becomes vulnerable to precipitation, so it is extremely important to prepare so that the work is completed quickly and, as they say, without a hitch. At this stage, a number of issues should be taken care of.
Budgeting
If you have a detailed estimate during the repair process, you will not have to spend time on additional purchases of something extremely necessary that was overlooked. When compiling this document, you should think everything over very carefully, so that it provides for absolutely all types of work and materials, down to the most insignificant. Along the way, the estimate will allow you to objectively assess the upcoming costs and compare them with real financial opportunities.
If it is decided to entrust the repair of the roof to a third-party organization, then in order to draw up an estimate, she will need to provide the following information:
- roof plan with dimensions, which indicates all pipes, shafts, parapets on the roof (thickness and height must be indicated), eaves overhangs (adjacency zones must be shown);
- description or photographic images of defects;
- desired list of works;
- the name of the material that it was decided to use as a roofing.
Selection and purchase of materials
Nowadays, it is possible to purchase any material and in any quantity without problems. But the master should take into account that in the field of development of roofing, as in all other areas of human activity, there is a rapid development, and in order to spend money wisely, this issue should be more or less understood. Let's start with the fact that the familiar roofing material with a cardboard frame has long been recognized as obsolete. It was bypassed by analogues with a foil base - folgoizol and metalloizol.
Folgoizol is a multilayer material
But these materials are far from ideal: bitumen in its pure form does not tolerate frost and temperature extremes, it is “not friendly” with ultraviolet radiation. The mastics used for gluing bituminous roll materials are also short-lived: the sun's rays quickly make them brittle. As a result, the only advantage of such coatings - low cost - is completely crossed out by the cost of major repairs, which have to be carried out every 5–7 years.
Those wishing to have a roof with a longer service life should pay attention to modern materials.
Bitumen-polymer roll coatings
Thanks to polymer additives, volume fraction which varies up to 12%, bitumen becomes more plastic and does not crack much longer: the service life is 15–20 years. Fiberglass, fiberglass or polyester film is used as a frame. This group of materials includes:
Materials with additives of thermoplastics, thermoplastic elastomers, crumb rubber and elastomers, which are considered very promising, should be singled out as a separate subgroup. These include:
- dnepromast;
- filizol;
- thermoflex;
- dneproflex;
- luberite;
- elabit;
- glass mast T;
- atakton;
- mastoplast;
- isoplast;
- bicroelast;
- bicroplast, etc.
Bitumen-polymer materials reduce maintenance costs due to their durability soft roof 2 times. At the same time, they inherited some disadvantages from bituminous materials:
- the coating must be laid in several layers (3–5);
- a protective powder of stone chips is required;
- in hot weather, the coating softens greatly and, if the roof slope is more than 25 degrees, it can slip.
Roll materials made of petroleum resins or rubber
The most advanced option has the following advantages:
- laying is done in one layer (the second name is single-layer membranes);
- does not soften in the heat, so it can be laid on roofs with any slope;
- the width of the roll can be up to 15 m, so that the coating has very few seams;
- can be installed in winter;
- the material is elastic and very durable;
- resistant to frost and ultraviolet radiation, does not oxidize;
- has served for over 25 years.
The material can be glued with special glue or bitumen (some brands are available in self-adhesive versions), fixed with threaded fasteners, or simply sprinkled with a layer of rubble.
The roofing membrane is made of ethylene propylene rubber and polypropylene (approximately 30% of the total composition)
Due to single-layer laying and a significant service life of the membrane, the cost of installing and maintaining a roof is reduced by 4 times compared to bituminous.
Rubber and polymer membranes are successfully produced in Russia. As an example, we can cite the materials of Cromel (JSC Kirov Artificial Leather Plant) and Rukril (JSC Chemical Plant in the town of Rezha near Yekaterinburg), as well as the products of JSC Nizhnekamskneftekhim.
Liquid materials (mastics)
AT this case we are not talking about adhesive mastics, but about bitumen-polymer and polymer compositions, with the help of which self-leveling roofs are made. In everyday life they are often called "liquid rubber". The base material is mixed with a hardener and in this form is applied to a flat surface. After some time, the liquid turns into a strong, elastic, rubber-like coating, on which there is not a single seam.
The maximum elongation of the material is 1000%, so it retains its integrity even when the roof is deformed.
Liquid rubber is based on bitumen, and the material can be applied with a brush, which makes it convenient to use.
Mastics are resistant to weather factors, including low temperatures and UV radiation, and their service life depends on the composition:
- bitumen-rubber - 15 years (for example, "Venta-U", "Gekopren", "Elamast");
- bitumen-latex - 20 years ("Blam-20", etc.);
- butyl rubber and chlorosulfopolyethylene - 25 years ("Polikrov-L", "Polikrov M-120", "Polikrov M-140", etc.)
Liquid roofing materials tolerate deformations, temperature changes and ultraviolet radiation well.
An important advantage of self-leveling roofing is their low weight - from 2 to 10 kg/m 2 .
If laying is carried out on a roof with a large slope and at temperatures above +25 0 С, cement or other thickener must be added to the mastic.
Mastics are safe for health, as they do not emit harmful volatile substances. For application, the method of cold spraying is used, which excludes the possibility of ignition.
Instrument preparation
Soft roofing cannot be repaired with bare hands, so you need to arm yourself with the following tools:
Work with a gas burner must be in protective glasses.
Soft roof repair technology
The method of roof restoration depends on what defects were identified.
Bonding a peeled-off panel
The operation is carried out in stages:
- The detached fragment rises. underlying base or roll material cleaned of debris and thoroughly dried building hair dryer.
- The base is smeared bituminous mastic and the peeled-off panel is glued.
- From above, the restored seam is also smeared with mastic.
Bituminous mastic can be made independently. It is applied in two forms:
- cold: to repair the inner layers;
- in hot: as an outer coating.
For cooking cold mastic you will need the following ingredients in a ratio of 1:2:2, respectively:
- pulverized filler (lime, gypsum, ash);
- bitumen;
- petrol.
First of all, you need to heat the bitumen to 180 º C and hold it until all the water it contains has evaporated. After that, the components are mixed, the mastic is cooled and used for its intended purpose.
A small amount of bituminous mastic can be prepared independently
It is impossible to pour gasoline into heated bitumen, just the opposite - bitumen into gasoline.
To prepare hot mastic, bitumen is heated in a boiler to 200 º C and boiled, gradually adding filler. Stirring can be done with a stick. It is important that the bitumen temperature during mixing does not fall below 160 º C, otherwise the quality of the material will be extremely low.
Mastic should be used immediately after preparation, it can not be stored.
The patch is installed in the following order:
- The damaged area is cut down with an ax. If the defect looks like a bubble, it must be cut crosswise and dried, bending the resulting "petals". After drying, they are returned to their place, glued with bitumen or nailed.
- Further, all debris is removed from the coating area adjacent to the defect, after which it is cleaned from dirt and dust.
- The defect, together with the area adjacent to it, is filled with bituminous mastic or sealant.
- A piece of roll material is glued on top, which should good stock cover the damaged area.
- The patch is filled with bituminous mastic or sealant, which must be rolled over it with a roller. The distribution is carried out so that the filling has the greatest thickness at the edges of the patch.
The sequence of operations when installing a patch on euroroofing material
Roof patching - not the best reliable way repair, because it does not cover hidden defects. Experienced craftsmen they try to apply the method, although more expensive, but one hundred percent effective - "repair the old way."
Video: minor roof repairs
"Old Renovation"
The worn roof is completely covered with a new coating without dismantling the old one. Before that, it needs to be put in order - cleaned of debris and dirt, sweep away dust.
Before such repairs, it is necessary to assess whether the structures can withstand the weight of the old and new coating. In any case, the number of layers on the roof should not exceed eight.
Video: roof repair "the old way"
Overhaul
With significant damage to the roof, even "repair the old way" becomes impossible. In such a situation, you should resort to major repairs. In the most advanced case, it will consist of the following steps:
- Removal of old roofing.
- Screed screed.
- Dismantling the heater.
- Restoration or replacement of the vapor barrier.
- Repair of the internal drainage system.
- Insulation lining.
- Surface finish required slope with sand bedding.
- Installation of funnels of the internal drainage system.
- Laying cement-sand screed. To prevent the water from evaporating from the solution, it can be covered with bitumen after installation.
- Installation of roofing (the screed is treated with a primer before this).
The rolls are rolled out parallel to the lower edge of the roof, starting from the bottom. Each subsequent strip overlaps the previous one with an overlap of 10 cm. With significant slopes, the amount of overlap must be increased. The edges of the strips are treated with bituminous mastic.
The next layer is laid with bandaging of the seams, that is, so that the new strips cover the edges of the strips of the underlying layer.
Before laying the last, top layer, it is recommended to fill the roof with water and see if there are puddles left somewhere. If there are any, they are marked with chalk, after which the water is driven off and the roof is dried. Next, the marked areas are filled hot mastic or lay on them an additional piece of rolled material with a thickness of not more than 1 mm.
The work is completed by applying a reflective or fire-retardant coating. traditional materials- roofing material, glassine or roofing felt - you need to cover it with hot bituminous mastic on top, and then sprinkle with stone chips. It is pressed into the bitumen with a roller. New materials usually already have a protective powder.
It is clear that if some elements or layers of the roof are in a satisfactory condition, the work associated with them can not be performed. In a good scenario, major repairs may be limited to replacing the roofing with a small local repair of the base and minor repairs some elements.
If a third-party organization was engaged in the repair of the roof, then one more stage is added to the list - checking the quality of the work. Here's what a homeowner needs to look out for:
- Correct laying of panels. They should lie evenly, with a uniform over the entire length and not too much overlap.
- The tightness of the edges of the coating to the base. Strong wind undermines the roof precisely at the edges, so it is extremely important that they are very carefully and securely glued or fused.
- Leaks during rain. At first, the ceilings on the upper floor after each rain should be carefully inspected for water leakage. Reputable roof repair companies and crews usually give a guarantee on their work, so if a leak is found, the customer has every right to demand that the defects be corrected.
Before contacting a third-party organization, it would be useful to study regulations regulating the installation of soft roofs. First of all - SNiP II-26-76 "Roofs" (section "Roofs from rolled and mastic materials"). Of course, in some small things they lag behind life, in particular, they do not take into account the appearance on the market latest materials, but most of the recommendations presented are quite relevant.
Video: overhaul
Emergency repairs in winter
Most of the materials used for soft roofing are not designed for installation at low temperatures. But emergency situation may well happen in winter: the roof can be damaged a large number of snow, heavy blizzard or ice movement. The following tips will help you carry out emergency repairs:
- First of all, the roof must be freed from snow, but in such a way as not to damage it even more. It is best to use a rubberized scraper for this purpose.
- For temporary patching of holes, materials that do not brittle in the cold should be used. Of these, the most affordable are corrugated board and metal tiles. If a decision is made to make a patch of bituminous material, it must be kept in a heated room until the last moment. When frozen, it will crack when unwrapped.
- There are varieties of sealants designed for use at low temperatures - and they should be used.
- We must not forget that it gets dark early in winter, so you should take care of lighting the work site.
- The equipment should provide for the possibility of a sharp deterioration in the weather, it is also advisable to get an assistant.
In winter, before the start of repairs, it is necessary to clean the surface of the roof from snow.
Video: soft roof repair technology
Due to its low strength, soft roofs have to be repaired quite often, but today the situation can be significantly improved by using the latest materials. The main thing is to follow the safety regulations governing the work at height. The place where the dismantled materials will be dumped must be fenced off and marked with warning signs.
Repair of a soft roof is necessary when the first defects are detected. Otherwise, leaking water will destroy the insulation, render the hydro and vapor barrier unusable, and you will have to spend more effort and money on restoration.
Final cost restoration work depends on the type of soft roof. It is known that it is much cheaper to put in order a roll coating than to restore bituminous tiles. 
The price of all events depends on the chosen repair option:
- Cosmetic restoration includes the elimination of minor defects - divergence of seams, holes, dents and swelling.
- Capital works consist of a complete replacement existing material for brand new components.
- Emergency repair is carried out when it is impossible to qualitatively eliminate the damage due to weather or other conditions. The main thing here is to fix the problem, and not to preserve the appearance.
The appropriate type of measures to be taken is determined on the basis of an internal and external inspection of the structure. This will reveal the most problem areas and focus on them. 
cosmetic work
Cosmetic repair allows you to return a beautiful appearance roof and at the same time fix the leak. They resort to it in cases where the water has not spoiled " roofing cake». 
Defects are usually eliminated in two ways, depending on their type:
- cracks and holes are eliminated by applying patches and subsequent application of mastic or bitumen;
- the separated joints are again glued with roofing glue on both sides - top and bottom.
It is more difficult to repair a soft roof with swelling. The reason for this phenomenon is the penetration of moisture into the insulation. To eliminate the defect, the heat is replaced and a new layer of waterproofing is laid. Air ducts are also constructed to circulate air and remove moisture. 
Capital recovery
Major repairs are required in case of extensive damage to the roofing, when it makes no sense to partially close up the holes. Measures are also taken due to the aging of the material. 
In this case, the work consists of several stages:
- Dismantling old system- removal of not only the roof, but also the "pie".
- Drying of all structural elements, processing wooden elements antiseptics.
- Laying a vapor-permeable membrane, insulation and waterproofing.
- Roofing installation.
Major repairs may be needed for extensive swelling. In that case, in technological process laying work included ventilation ducts with the installation of aerators, gaps are left for air circulation. 
Here are the main aspects of repairing a roof from a soft roof. The number of activities and the complexity of the work depends on the type roof truss, surface area. And if you want to save money and carry out a quality restoration, then contact a professional company.
The price of repairing a soft roof
| Types of jobs | Units | Prices: |
| Complete dismantling of the existing roof (waterproofing coating, screed, insulation) with garbage disposal | m2 | 250 rub. |
| The device of a two-layer roofing carpet with welded roll material on a vertical surface | m2 | 350 rub. |
| Thermal insulation device from slabs 150 mm thick | m2 | 200 rub. |
| Installation of a cement-sand screed up to 50 mm thick | m2 | 300 rub. |
| Reinforced cement-sand screed up to 50 mm thick | m2 | 350 rub. |
| Priming the base with a primer | m2 | 100 rub. |
| Deceleration device made of expanded clay with an average thickness of 100 mm | m2 | 200 rub. |
| Vapor barrier device built-up single-layer | m2 | 150 rub. |
| Dry vapor barrier device | m2 | 80 rub. |
| Installation of drain funnels | m2 | 2000 rub. |
| Installation of roof aerators, deflectors | m2 | 2500 rub. |
| Device for covering a parapet up to 500 mm wide with dry galvanized steel | m2 | 300 rub. |
| The device of an apron made of galvanized steel at the junction of the roofing carpet to vertical surfaces | m | 30 rub. |
Soft roof is one of the popular types roof coverings. It is successfully used both in the construction of private houses, outbuildings, and for multi-storey buildings. Materials of this group are made on the basis of bitumen and fiberglass. They have such advantages as: ease of installation, increased noise, hydro and thermal insulation properties. In this case, even for the repair of special costs will not be required. And all the work can be done independently.
Roof repair documentation
When carrying out repair work on a soft roof, they are guided by the following documents:
- estimate (work production document). It takes into account all planned repair activities on this roof. For example, dismantling the roof, preparing the base, installing new material and sealing joints, creating a waterproofing layer. The estimate includes the cost of consumables and combustible materials, as well as the cost of their delivery. This document will help to estimate the budget for future repairs and decide whether to carry it out on your own or to provide an opportunity for specialists to do it;
- SNiP ( building codes and rules). During the repair, it is important to follow the requirements that are set out in the document SNiP "Repair of soft roof" number 11-26-76. It contains all the necessary materials for waterproofing, types of mastic, roofing materials and requirements for the order of work;
- PPR (project for the production of works). This document is important if roof repairs are being carried out. apartment building. It indicates the rationale for the repair work, the results of the survey of the roof, its characteristics, methods of organization and production methods. roofing works.
Types of damage and types of repair
A soft roof needs periodic inspection. It will help to identify all violations of the integrity of the roofing in time and to carry out restoration work in a timely manner. Common problems with soft roofs are:
- bloating;
Swelling of a soft roof may appear as a result of a violation of the technology of laying materials
- rotting, the appearance of fungus and moss as a result of the formation of cracks with accumulated water;
Moss on a soft roof appears as a result of a violation of laying technology - stratification of material at the joints of the canvases;
The delamination of the roofing material can be repaired by sealing the ends and reinforcing the seam with a patch - mechanical damage- appear due to the possible contact of the roof with antennas, branches;
A soft roof may crumble after the end of its service life or when adverse conditions use - dark spots;
Bituminous shingles can change color over time and even exfoliate. - curved edges of shingles.
A preventive examination should be carried out at least twice a year. At the same time, it is recommended to regularly clean the roof from branches, debris and snow. These measures will increase the service life and minimize repair costs.
Depending on the type of damage, there are three types of soft roof repairs:
Video: local repair of shingle roofing
Maintenance
Current repairs are carried out when minor defects in the soft roof are detected. The solution to the problem depends on its type. For example, for roll roofing The following repair options apply:
The damaged section of bituminous tiles can also be replaced. To do this, carefully lift all the damaged plates, as well as those adjacent to them, with a trowel to pull out the defective ones. Remove nails with a nail puller. Lay new pieces of roofing material, fixing with nails, and additionally process the joints silicone sealant.
For local repair of shingles, only damaged tiles need to be replaced Video: partial repair of the soft roof of the garage
Overhaul
Major repairs of soft roofs are carried out in the following sequence:
Video: step-by-step overhaul of the built-up roof
emergency repair
Emergency roof repair involves the urgent restoration of the damaged part of the coating. For example, creating a large patch at the site of damaged materials.
This measure can prevent leakage, but is only effective if the area of the damaged area does not exceed 20% of the total roof area.
To install patches you need:
You can also apply a patch on a roof made of bituminous tiles. The repair method is similar, only a special solution or silicone sealant is used for gluing.
This repair method is only effective if the cause of the leak is a visible defect.
Video: replacing damaged areas on a shingle roof
Necessary materials
For the repair of soft roofs are used different materials. The choice depends on which layer of the roofing cake is supposed to be repaired:
- for the top layer - "Uniflex", "Linocrom", "Isoplast". Their service life is more than 10 years;
- for the bottom layer - "Beriplast", "Stekloelast", "Technoelast". They are characterized by increased elasticity and the ability to create additional thermal insulation.
The materials of the top layer of the roof must contain mineral dressing, which serves to protect against solar radiation. The thickness of such a canvas should be chosen in the range from 4.5 to 5 mm. And for the bottom layer, the rolled roofing material can be thinner.
Cold styling mastic
The most commonly used mastic is suitable for laying roofing material without heating. It is used to repair the inner layers of the roofing cake. You need to choose only that mastic, which includes bitumen and a mixture of dusty type, for example, gypsum or lime.
Mastic can be prepared independently, having the necessary components If desired, mastic can be made independently.
To do this, you need to mix one portion of the filler and two portions of bitumen and gasoline. But you need to connect the components after the bitumen heats up to 180 o C and water completely evaporates from it. Before repair, the resulting mixture must be cooled.
The way to use this mastic is as follows:
Video: urgent roof repair with liquid mastic
Liquid rubber
Sometimes liquid rubber is used to repair soft roofs. She is able to create seamless coating, which virtually eliminates the penetration of water into the roofing cake. Liquid rubber is used to seal small gaps and cracks and to overhaul.
It is more convenient to apply liquid rubber from a spray bottle Its peculiarity is that the material can be applied in two ways:
- using a spray gun - this method is relevant when repairing roofs large area;
- roller or brush - requires a longer time, so it is only suitable for local repairs or small buildings.
If there is no experience with special equipment, then for self repair roofs it is better to choose the second method.
Liquid rubber is applied in several layers. Moreover, each subsequent layer can be applied only after the previous one is completely dry. This is usually done at intervals of 7-10 minutes.
The application technology itself is as follows:
Video: spraying liquid rubber on roofing material
Roll waterproofing is usually used for the overhaul of a soft roof. This requires complete dismantling old cover.
Gidroizol - an inexpensive rolled waterproofing material on a glass base, made with a double-sided application of bitumen and sprinkles This weld material has the following structure:
- base (fiberglass or fiberglass);
- modified bituminous coating on both sides of the base;
- shale powder as a protective layer.
The waterproofing is laid in two layers. Used both cold and hot way installation. The fusing technology is as follows:
Remember that excessive heat will damage the material or cause a fire. Hydroisol is also available in the form of cold mastic.
Waterproofing in the form of mastic consists of polymeric bitumen and is used as a protective roofing layer Video: how to properly weld roll roofing material
Repair Equipment
Before starting work, not only the material is prepared, but also necessary equipment. You will need:
If an emergency repair is being carried out in winter time, then you need a shovel to clear the roof of snow.
Repair work is carried out in special working clothes: gloves, boots, pants made of dense fabric, goggles.
Before working on the restoration of a soft roof, it is important to consider how badly the coating is damaged. Based on the inspection data, it is easy to make a decision about the upcoming work. And then determine: what materials to use, how voluminous the repair will be (whether the entire roofing will need to be replaced or only the restoration of some layers of the roofing cake).
The service life of a roof covered with soft roofing materials is 15 years. But the roof will last this period only if it is properly maintained and sometimes repaired. Therefore, today we will talk about how to properly repair a soft roof. What nuances should be paid attention to in order to increase the quality of the final result. Accordingly, so that the roof lasts longer.
Soft roof repair
Soft roof defects
Understanding that a roof needs repair is easy. It will just start flowing. Therefore, first of all, you need to climb the roof and determine its possible defects. True, you should not allow situations with leaks. It is recommended that the soft roof be inspected periodically. Experts advise doing this twice a year.
So, what defects can be found:
cracks and breaks in roofing material;
its swelling from the penetration of moisture under the canvas;
delamination of material at the joints of the strips;
the appearance of mold, fungus or moss, which indicates the collection of moisture in these areas;
depressions or grooves from mechanical pressure where moisture collects.
Soft roof defects
The choice of repair material
To cope with all of the above flaws, it is necessary to prepare a material for repairing a soft roof, as well as a fastening compound. Since the structure of a soft roof consists of two applied layers: internal and external, respectively, the repair material for each of them must be selected separately, taking into account the characteristics of the products.
For the lower layer, roll coatings with high thermal properties and increased elasticity are usually used. This group includes such materials as technoelast, glass-elast and bireplast. They are smooth with a thickness of 3-3.5 mm. For the top layer, they try to use a material with high waterproofing qualities. For example, uniflex, isoplast or isoelast with a thickness of 4-4.5 mm.
We must immediately make a reservation that the top coating requires products sprinkled with stone chips on top. It protects the roof from the sun's rays. Basically, this is distinguishing feature, which becomes the basis for the selection of materials for the bottom layer and outer cover.
Uniflex roll
Choosing a bonding agent
More recently, ordinary bitumen was used to repair soft roofs (roofs). It was heated in a barrel on a fire and served hot at the place of laying soft roofing material. We must pay tribute to the fact that this technology has not yet become obsolete. There are areas where bitumen is still used for roof repairs.
Modern restoration of a soft roof is the use of bitumen-based mastics. At the same time, mastics can be used both hot and cold.
Bituminous mastic
On our website you can find contacts of construction companies that offer a turnkey roof repair service of any complexity. You can directly communicate with representatives by visiting the exhibition of houses "Low-Rise Country".
Repair features
The first stage is the determination of defects in the roofing and the amount of work to be done. According to the complexity and volume, repairs are divided into three categories:
current, when minor flaws are found on the surface;
capital, when it becomes clear that sealing cracks is indispensable;
emergency, when the roof began to simply leak.
Let's consider each situation separately.
Maintenance
The easiest way to repair cracks. They are simply filled with mastic or hot bitumen, and a patch cut from roofing material is laid on top. After that, the place of repair is completely filled with a fastening compound. The main thing is that the mastic also covers the junction of the patch with the main roofing material.
If it is required to close a crack on the roof ridge, then for this a patch is cut out, which is glued to the place of the defect with mastic and additionally pierced with nails.
How to patch a crack on a skate
Peeled joints are also repaired, but for this they additionally use a building hair dryer or gas burner. Both types of equipment are used to dry the space under outer layer soft roof.
The latter is lifted, the inner surface of the upper flooring and the upper plane of the lower layer are dried.
Bituminous mastic is applied between the layers.
Stacked upper layer on the bottom and press it well, using, for example, a spatula or roller.
The joint must be coated with mastic.
A defect in the form of a depression where water collects is repaired using a special technology.
To do this, the place of the flaw is cut with a sharp knife in the form of a cross. It is better to make cuts to a solid base.
Here the hole is filled, for example, with cement mortar.
After drying, the base is treated with a bonding mixture, on which the cut ends of the lower layer are laid.
The bottom flooring is treated with mastic from above.
Lay the cut ends of the outer covering.
Another layer of mastic is applied, which is immediately sprinkled with stone chips on top.
How to repair a cavity on a soft roof
On our website you can get acquainted with the most from the construction companies presented at the exhibition of houses "Low-Rise Country".
If soft roofing material was laid on a continuous crate of lumber or wood boards, then the cavity is sealed with the mastic itself or hot bitumen by pouring onto the bottom layer.
Capital
Now let's talk about the technology of repairing a soft roof, where simple operations in the form of patches are indispensable. The essence of the overhaul is that the old roofing partially dismantled in those areas where the defects are significant. For example, the photo below shows the condition of the roof covered with shingles. This area needs a major overhaul.
Roof defect requiring major repairs
The essence of the technology lies in the fact that the soft roofing material is carefully removed from the installation site. The main thing is not to damage areas that are in good condition. If rolled material was used to cover the roof, then it is cut along the boundaries of the defective area. It is better to do this in straight straight lines, even if you have to dismantle part of a good site.
If a roof covered with soft tiles, you will have to remove the shingles that have actually become unusable.
Ideal - cut the coating to the base. If the roof is insulated, then check the condition of the thermal insulation material. If it was expanded clay, then it is simply dried with a building hair dryer. If the board material is mineral wool or expanded polystyrene plates, then they are dismantled and replaced with new ones. Because the moisture that has passed through the roofing has probably ruined the insulation.
Be sure to check the base. As in the case of a cavity, it will have to be cleaned and leveled.
The repair process itself is carried out using the technology of installing a soft roof. That is:
mastic is poured onto the repaired base;
the bottom layer of roofing material is laid;
on top of another layer of mastic;
outer cover.
Capital repairs of a soft roof
It is important to make sure that the new layers overlap the old ones. And at the docking points, mastic is sure to be used. It itself performs the functions of both a bonding composition, and waterproofing material.
It should be noted that the repair of a soft roof with insulation is the most difficult process. This applies especially to flat roofs where for thermal insulation were used board materials. Required here special treatment to the docking of sections (new and old) with each other. Therefore, the gaps between the laid plates are filled mounting foam. This old technology which is rarely used today. It is better to fill it with a special sealant, which is also available in cans in the form of foam. It's just that the latter of the sealant does not expand in volume and lasts a long time.
Emergency
It makes no sense to argue here for a long time, because emergency roof repair (its technology) is commensurate with the technology of roofing with a soft roof. That is, they completely dismantle the roofing material, remove the heat-insulating layer, check the base for technical condition. And based on the results of the research, they decide whether to repair the base of the roof or not.
All other operations are carried out in the following sequence: repair of the base, laying the heat-insulating cake, installation of the roofing material. Essentially, you get a new roof.
Let's add that today construction market you can purchase special mastics based on bitumen and polymers. They cost more than rolled and piece soft-type roofing materials, but in all respects it is better. Yes, and laying them on the roofs is easier, because it is a mastic, which is applied with a conventional spatula. At the same time, a seamless coating with high mechanical strength and heat resistance is obtained on the roof surface.
Video description
Modern roofing mastics for renovation soft roofs in video:
Conclusion on the topic
The degree of difficulty in repairing a roof covered with soft roofing materials lies in the type and number of defects. Sometimes masters decide to completely re-lay the structure, just not to mess with large quantity cracks. In many cases, this is a justified decision, because a cracked surface is a sign that the roofing material is at its limit.
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