Flat roof repair technology. Description of modern methods for repairing dilapidated flat roofs Reconstruction of flat roofs
Arrangement and repair flat roof made in two types of materials: soft or self-leveling. They provide excellent layer sealing roofing covering, protecting the home from damaging influences environment And long term operation. There are typical damage to roofs made of soft materials that occur periodically regardless of the quality of the materials used.
Types of damage
You can find out whether there is a need for roof reconstruction by carefully examining its surface. You can detect defects in the roof of a house if you simply walk on it. Damaged areas may crunch, sag, and swell.
Roof condition assessment
Types of flat roof damage:
- separation of the “pie”: complete or partial;
- swelling of the coating;
- the appearance of bubbles;
- the appearance of cracks;
- the formation of depressions and funnels filled with rainwater;
- peeling of the coating around chimney pipes;
- germination of all kinds of vegetation inside the coating layers.
If you periodically carry out a preventive inspection of the roof of your house for defects, then minor routine repairs to the surface can be done with your own hands. But if this is not done in time, the defects will gradually progress and the roof may begin to leak. In this case, it may be necessary not only major renovation roofs of the house, but also restoration interior decoration premises.
Roofing defect Consequences of untimely roof repairs:
- the growth of moss and other vegetation;
- the appearance of mold;
- deformation wooden walls and floors of the house;
- violation of interior decoration;
- occurrence of leaks;
- icing of house walls and ceilings in winter period;
- the appearance of multiple cracks,
- peeling finishing materials, accelerated destruction due to rotting.
Deformed covering area - early autumn to avoid problems with a leaking roof;
- in the spring, after the snow melts - to eliminate damage after winter;
- in summer it is necessary to remove leaves and clear the roof of moss;
- In winter, you need to clear the snow on time.
This will help reduce the cost of ongoing home repairs.
How to repair a flat roof
Depending on the size and nature of surface defects, two types of repair can be noted:
- small current;
- capital.
Partial replacement roofing covering There are two effective methods carry out repairs flat roof :
- sticking to mastic;
- fusing using high temperature exposure.
Membrane roof installation
PVC membranes are a soft material for roof repairs, with which you can carry out repairs easily and quickly. The big advantage of such coatings is that installation can be done in one layer directly on the previous roofing felt coating. The only requirement is that the surface must be clean (no stones, debris, old greasy stains, puddles of water).
Structure membrane roof To carry out the work you will need:
Work technology
The rolls are rolled out on the roof surface and the required pieces of sheets are cut off. The canvases are laid with an overlap of 12 cm. The edges of the canvases are fixed with dowel nails every 40 cm. The edges are connected with heated air from welding machine. In this case, a stream of hot air is directed under the canvas and immediately rolled with a roller. This method is justified when repairing large areas.
Application of euroroofing felt
This repair technology is much more economical, but the surface must be perfectly clean. The material is laid in two layers. The first is the main one, and the second is decorative. Thanks to a special powder, decorative roofing felt is not afraid of the sun, frost, does not crack or dry out, is chemical-resistant and has a long service life. service life(about 30 years old). The material is produced in rolls.
Deposition of material Materials and tools for work:
- Two types of euroroofing felt;
- Gas-burner;
- Special scissors;
- Hook.
Fused technology
Strips of the required length are measured and rolled again for convenience. Each canvas is heated using gas burner and roll it out, holding it so as not to get burned, with an iron hook. In this case, the material is firmly attached to the surface. A decorative layer is placed on top of the bottom layer using the same algorithm. The two layers are then melted simultaneously, ensuring a secure adhesion and long-lasting coating.
other methods
Minor repairs soft roof can be made at home using ordinary roofing felt. It, of course, does not have all the advantages of modern analogues, but in case of minor roof defects, you can use pieces of roofing felt, laying them on molten bitumen. The material can even be laid on top of iron or slate surfaces.
Elimination of small defects For small cracks in the slate plane, scraps of fabric in oil paint– they can repair minor damage.
Large fragments of damage must be replaced or the roof completely covered with new material.
How to correctly calculate reconstruction costs
The technology for carrying out minor routine repairs does not require such preparations; it can be carried out spontaneously without any preliminary preparation.
When planning a major roof repair, it would be quite reasonable to make a preliminary calculation of the costs of roof repair from roll materials.
You must first calculate the material consumption Procedure for planning repairs:
1. Carrying out measurements of the territory within which it is planned to replace the coating.
2. Compiling a list of all required materials, taking into account the nature of the defects.
3. Adding to the list of materials for manufacturing cement-sand mortars, if you plan to update such areas of the roof.
4. Add 10-20% excess consumption of materials to the result obtained.
5. Consider offers from various building materials stores, take note of promotions and conditions for delivery of materials.
Major renovation
Major roof repairs require large expenses and a lot of time, but the procedure itself can be done with your own hands, provided you have some skills.
Complete replacement of old coating Event technology:
- Dismantle the roofing pie and check the condition of all insulating layers.
- If damaged coatings are identified, the entire area should be replaced.
- Make a cement-sand screed, following the instructions on the mixture packaging.
- Pour the solution in a layer of 2-4 cm and wait for the surface to dry.
- Prime with bitumen emulsion.
- Treat the entire roof area with mastic.
- Lay the pre-heated parts of the solid sheet on the roof surface, pressing with a stick. The procedure is easier to do with two people.
- Lay all the strips overlapping, maintaining 15-20 cm of overlap.
- Seal seams, joints and hard-to-reach places.
- If desired, you can make an additional layer of soft roofing by rolling out the roll in a perpendicular direction.
In order for a major roof repair to produce results and save you from carrying out such events for the next ten years, you must follow all the rules when laying the covering. You should also take into account the fact that the condition of the coating will depend on the quality of the selected material. It is better to choose products from reputable manufacturers.
Repair of flat roofs is becoming more and more in demand these days, since this roof structure is very widespread not only in multi-storey buildings, but also in individual construction. Its benefits are quite obvious. A flat roof with a small angle of inclination allows not only to save thermal energy, reducing the heat transfer area. It allows you to use it for household and economic purposes, thereby increasing usable area the entire building.
Before you begin repairing a flat roof, you must study all the rules and requirements, as mistakes can lead to a shortening of its service life.
However, this use also has a negative side. It greatly increases the risk of damage to the roofing, primarily mechanically. Meanwhile, a flat roof, despite its apparent simplicity, is a rather complex structural system.
That is why flat roof repairs must be carried out in strict compliance with a number of rules and recommendations. Their violation can lead to a radical reduction in the service life of the roofing, up to its complete destruction.
Flat roof installation and possible types of damage
Before you begin repairing a flat roof, you need to know its structure. Then the weakest points of this particular structure will be clear, and it will be easier to identify the cause of the roof leak. Usually its design consists of several layers. This is a load-bearing surface, which acts as reinforced concrete slab ceiling, on which a vapor barrier layer is placed, and on it, in turn, insulation.
The latter is most often used mineral wool. A layer of waterproofing is laid on it, which in most cases is played by rolls of roofing felt.
If the roof surface is occupied for economic or domestic needs, a layer of waterproofing is applied on top concrete screed designed to protect it from mechanical damage. In addition, to prevent moisture condensation from the insulation layer, the ventilation holes, covered with special caps. Connecting them with top layer waterproofing must be sealed carefully.
The main reason for the penetration of moisture under the waterproofing layer, in addition to mechanical damage, is the effect of temperature changes in the surrounding atmosphere. The second most common cause of roof leaks can be considered a violation of technology during the initial installation of the roofing.
It is worth remembering that the service life of a roof covered with roll materials such as roofing felt is limited to a maximum of 5 years.
In winter, under the influence of severe frosts, it begins to lose elasticity and crack. In summer, thanks to its black color, it attracts solar thermal energy and heats up to 70°C.
As a result of this, the resin impregnating it begins to melt and gradually slides downhill to the edge of the roof.
The base that remains in place largely loses its waterproofing properties and gradually begins to let moisture through.
Modern waterproofing mastics and resins have a significantly longer service life, but are also much more expensive.
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Roof repair using roll materials
Rolled bitumen materials are the most common and popular roofing product, primarily due to their affordable price. Another reason for their popularity can rightfully be considered that their use does not require dismantling the old coating. However, you should not immediately lay new rolls on top of the old coating. It must be prepared in advance.
First of all, it is necessary to remove debris and dust accumulated on the roof. After this, the formed air bubbles are identified on the roof. They are opened with a knife like an envelope and, if necessary, dried. After this they are heated blowtorch until melted bitumen impregnation and close, eliminating air bubbles.
Only then can the next layer of rolled roofing felt be laid. The roll is rolled out on the roof surface, one edge is heated and glued to the bottom edge of the roof.
After this, they roll it back up, winding it onto a piece of pipe that is slightly longer than the width of the roll.
Then they begin to slowly unroll it, heating the surface with a blowtorch. An indicator of the quality of heating is a small puddle of molten bitumen along the roll unrolling path.
The next roll in the longitudinal plane must be laid on the previous one with an overlap of at least 10 cm.
The adjacent roll must overlap the edge of the previous one by at least 5 cm. As a result, if the technology is followed correctly, after the molten bitumen has cooled, a monolithic waterproof membrane is formed, covering the entire surface of the roof.
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Application for repair of polymer materials
Most modern materials intended for waterproofing are made on the basis of polymers. If it is mastic, then its main component is liquid polyurethane. Its first layer is applied directly to the prepared surface using paint roller. It adheres tightly to bitumen base. Then a reinforcing layer of non-woven synthetic fabric with a density of 20 to 60 grams per m² is placed on the not yet hardened mastic so that it is completely recessed. After this, a second layer of polyurethane mastic is applied on top. The hardening process lasts from 3 to 5 hours.
Another effective modern waterproofing material is liquid rubber. It is applied by spraying using special portable backpack sprayers. The main advantage of this method is that it is not afraid of any unevenness on the roof surface. For getting rubber coating 3 mm thick it is necessary to spray 4 to 4.5 kg per 1 m². The resulting membrane is resistant to temperature changes, but in severe frost it loses its elasticity, which makes it more susceptible to mechanical damage.
Another tool that is becoming increasingly popular these days is tension polymer membranes. They are assembled using welding machines that connect the joints with hot air, and are attached only to the edges of the roof. Therefore, if the foundation of the house begins to subsidence, the coating will retain its integrity. However, as with previous materials, membranes are also vulnerable to mechanical damage, so if the surface is intensively used, a protective coating must be placed on top of the waterproofing.
The simplest protective coating, especially for coatings made of rolled materials, is a concrete screed. Unfortunately, over time it begins to crack and crumble. Very good reviews are being received about the high-strength polyurethane coating Marisil 400, but many are put off by its high price
In general, it can be noted that the repair of a flat roof, unlike its other varieties, is practically not associated with a risk to life and health, and therefore can be done with your own hands, without the help of hired specialists.
Flat roofs in private housing construction have become more common, because the owners have appreciated the benefits of such roof space. Firstly, additional meters of space appear, which are never superfluous in urban areas. Secondly, a low roof slope requires less materials, installation work, and such a roof retains more heat. Thirdly, routine repairs to a flat roof are quite simple and can be carried out by the owner himself, especially since there is no danger of slipping down.
Most often, destruction in the roofing is caused by our not mild climate. In winter, a significant snow cover can form on the surface of a flat roof, which begins to melt by spring, “delighting” the owners with leaks. But it is not the roof itself that is to blame for this, but its poor-quality installation or “outdated” and short-lived waterproofing materials.
What materials are used to repair the waterproofing layer?
Waterproofing in flat roofs can be created from two types of materials: bitumen and synthetic membranes. They also repair the roof in case of leaks. Let's consider which coating is more durable.
Modern waterproofing materials are elastic and durable
Bituminous materials
Bituminous materials are more common. They lined the roofs of Soviet-era high-rise buildings. And at least once every five years, these high-rise buildings are operated construction crews, eliminating leaks and repairing old coatings. And all because bitumen materials have a short service life - up to 5 years, and in our climate - even shorter. They are afraid of sudden changes in temperature and stagnant water. As soon as the temperature goes below zero, the elastic properties of bitumen are lost, the material becomes brittle and cracks. The second disadvantageous property of bitumen is its ability to absorb water, which, when temperature changes, either freezes in the pores of the coating or thaws. As a result, the material delaminates and breaks in places where water accumulates.
In summer, the bitumen coating, due to its dark color, strongly attracts the sun's rays. The heating level of the roof reaches 70˚. And at this temperature, the bitumen melts, becomes fluid and gradually slides towards the edge of the roof, where the slope is directed.
If the slope is insufficient, after the rain puddles remain on the roof, water penetrates into the lower layers of the coating, when heated, it becomes steam, which seeks a way out and tears, dividing the bitumen material into layers.
Stagnant water indicates that the slope is insufficient, which means that after a year the coating will swell
It is easy to check whether there is moisture inside the bitumen. It is enough to see grass, weeds, and sometimes trees on the roof. They will not germinate where it is dry.
Polymer materials
The second type of waterproofing material is polymer membranes or mastics.
Mastic is based on polyurethane. And the easiest way to repair a flat roof covered with bitumen is to completely coat the top with mastic. It creates a rubber-like coating, but can withstand temperatures up to 100˚ and harsh winters. If such a coating gets scratched while cleaning the roof, it can be easily repaired by covering the damaged areas with a brush.
Another option is polymer membranes. If you want to forget about roof repairs for 20 years, cover the surface with membrane material. Modern polymers in their composition are not afraid of temperature changes, ultraviolet radiation, and mechanical damage. They can be fixed to the base of the roof, or they can be spread out like a carpet, weighed down with ballast for strength.
The roof, laid with a membrane covering, is attached to the base only along the perimeter. In this case, when the house shrinks, there will be no tears in the coating
Unlike bitumen materials, the human factor is excluded when installing membranes, when good material laid by unprofessional hands. The membrane covering sheets are rolled out and laid welding machines, connecting the joints with hot air. The option when the membranes are fixed only around the perimeter, without connecting to the entire surface of the roof, is very convenient: when the house shrinks, the roof will not crack.
What problems in a flat roll roof can you fix with your own hands?
In old houses, flat roofs were covered with several layers of roofing felt, which were laid on a wooden base. The bottom layer was fastened to the tree with nails, and the rest were tied either with bitumen mixtures or cold mastic.
If you find that in some places the layers are swollen, it means that there is delamination inside the roofing material, which must be urgently eliminated, otherwise expect leaks.
Carefully examine the swollen area. If it is dry, then just stick a patch on top. If the area of the swelling is damp, then you need to look for where the water penetrated, and then change the entire area that is damp.
If the concrete screed begins to collapse - current repairs not enough
How to do it:
- Clear the swollen area of gravel (or other material scattered to protect the roofing material from sun rays).
- Cut the swollen area in the shape of a cross so that the center falls exactly on the swollen part.
- Lift the cut roofing felt and look inside. If the inner layers are wet, cut deeper so that the knife reaches wooden base.
- Leave the cut roofing material to dry in the sun, placing some blocks between the layers so that the heat penetrates into each layer. The drying process is much faster using construction hair dryer.
- After making sure that the roofing material is dried to the base, apply it with a spatula from the inside along the edges of the cut. cold mastic and press the roofing material into the wooden base. Apply the next layer and press it onto the previous one. Plaster nails are nailed to the top of the last, outer layer of roofing material to securely fix the cut corners.
- A patch is cut out of fresh roofing felt, the size of which should cover the cut part of the coating.
- Lubricate the back side of the patch with mastic and place it on the area to be repaired.
- The edges of the patch are fixed with plaster nails (step – 15 mm).
- Apply mastic to each nail head and patch outline.
Elimination of blisters on a large area of the roof
If you find that a significant area of roofing material is swollen, then repairs are carried out as follows:
- The entire site to be repaired is cleared of the gravel layer.
- The entire swollen area must be cut out. To prevent the knife from sticking to the roofing felt, dip it in turpentine. Cut through layer by layer until you reach a dry coating. If there is none, cut to the wooden base.
- Count how many layers had to be removed.
- Place the rectangle or square that you cut out on the new roofing felt and trace the outline.
- Cut out the patch (you need as many patches of the same size as you removed layers of old coating).
- A coating that has been kept dry, or wooden base coat with mastic.
- Take one patch and coat it with mastic along the edge.
- Place it inside the area you are repairing and press it against the base.
- The second layer is applied in the same way: the entire surface of the first and the contour of the second are coated with mastic.
- Place patches on top of each other until the new covering is equal in height to the rest of the roof.
- The last patch is strengthened by nailing slate nails around the perimeter.
- Cut out a patch from roofing felt that is larger in size than the one you have already laid, coat the surface of the repaired area with mastic and place the prepared piece of roofing felt on top. It should extend beyond the edges of the patched area.
- The roofing material is nailed with slate nails, and then the edge and each nail head are coated with mastic.
- Mastic is generously placed on top of a sheet of roofing felt, and gravel is scattered over it, pressing the pebbles into the mastic using a board.
Expanded clay cushion will protect the bitumen coating from overheating
How is a flat roof overhauled?
If the service life of the coating has expired, then patching the blisters will do nothing. The patches disrupt the integrity of the coating, although they slightly restrain destruction. In this case, major repairs will be required. Carrying it out on your own without professional skills is difficult. And often poor-quality installation “negates” the advantages of the waterproofing material.
In this case, it is worth involving specialists in the repair, having decided in advance what type of major repairs your roof needs. Let's consider what a major overhaul of a flat plane could be like. roll roofing:
Complete replacement of roofing
Such repairs begin with the dismantling of all roof components and layers:
- ebbs, aerators, pressure aprons, etc. are removed;
- all layers of bitumen or roofing felt coating are completely removed;
- the layer of concrete leveling screed will be removed;
- the insulation is removed.
Flat roof after complete renovation looks like a pie in which each layer performs its own task
The new roof is laid in the following order:
- the beacons necessary to create a new leveling concrete layer are set;
- a layer of insulation spreads;
- folds out on top of it reinforced mesh;
- a new leveling screed is poured (from 4 cm thick);
- the roofing covering is laid in several layers followed by arranging connections;
- the remaining elements of the roof are attached: parapets, belts, etc.
- Renewal of the roof covering with installation of an additional thermal insulation layer.
As a rule, such repairs are needed for houses whose roofs were laid using old technologies. Their level of heat retention is insufficient and does not correspond to today’s concept of thermal insulation.
An additional thermal insulation layer can be laid under or on the new roof.
Insulation of a flat roof
When under-roof insulation, old layers of waterproofing are removed and slabs that have a wedge-shaped profile are laid. This profile helps to build the desired slope to the gutter for water drainage and avoid puddles on the roof. Modern waterproofing membrane coatings are laid on top of the insulation.
If you choose a repair with insulation for a new roof, then the work is done in the opposite way: first, waterproofing is laid, and on top of it is waterproof polyurethane foam or other material of a similar structure. To prevent the insulation from being blown away by gusts of wind, a thick layer is laid on top. gravel bed. The gravel will not only serve as a load, but will also protect the insulation from exposure to ultraviolet radiation.
Creating a new metal roof
This type of repair involves updating damaged roofing, constructing truss structure and laying profiled sheets over it. In the end it turns out pitched roof with a slight slope. It creates a waterproof shell for the old coating, but maintains a sufficient level of ventilation so that the roofing material can dry out. Often such repairs are combined with additional insulation.
After constructing the rafter structure and laying profiled sheets on it, a pitched roof with a slight slope is obtained
Creating a grass roof
This is the most complex look repair, which involves not only a complete renovation of the roof, but also strengthening its waterproofing properties and strength characteristics. Additional bulk soil layer, plant weight, etc. require professional calculations the following points: how much to strengthen the roof deck, how many layers of waterproofing to lay, how to create drainage system etc. After all, it is not enough to plant living plants: they need to be provided good conditions for existence. And at the same time do not create a danger for the collapse of the structure! Therefore everything renovation work must be maintained by professional craftsmen.
In the green roof too multilayer cake. It is better to entrust its “cooking” to professionals
To avoid having to deal with flat roof repairs, it is better to initially, during the process of building a house, spend money on modern materials, entrust the installation to specialists, and in winter do not break through the ice with a crowbar and do not scrape off the snow with shovels with a metal edge.
That's why she's so popular.
The convenience of its use lies in the emergence of additional meters of room space.
As well as reducing the amount of material for coating, ease of installation, ability to preserve large quantity heat and much more.
If necessary, it is possible to repair a flat roof without the help of a special team, but it is worth knowing all the nuances of the process.
When covering a roof with bitumen-containing materials, you should know that it requires regular inspection. In addition, minor damage to the coating is much easier to fix and repair than to carry out more serious repairs.
If the base material rots, water begins to leak inside the roof, which is very unpleasant for living in such a house. It is important to detect a leak in time.
To determine the need for repairs, the surface of the coating should be inspected. If the roof is pitched, then in addition to the material itself, It’s better to check from the attic side and the rafter system.
In general, flat roof coverings are vulnerable to prolonged exposure to ultraviolet radiation and can begin to rot when exposed to high temperatures are damaged, therefore During the inspection you need to pay attention to:
- The presence of delaminations or swellings on the surface;
- The presence of cracks, abrasions, cracking, and generally any violation of the integrity of the material;
- Violation of the tightness of joints and seams;
- Existing depressions in the plane, which serve as a source of moisture accumulation.
There are two repair options that soft roofing may require:
- Minor repairs;
- Capital.
The need for major repairs arises if:
- Minimum parapet height violated. This becomes an obstacle to ensuring the necessary overlap on the layers waterproofing materials. As a result, the tightness of the roofing is broken;
- The ventilation device is broken, which leads to the accumulation of vapors under the surface of the coating and the accumulation of moisture in the layer;
- Roof material displacement. This problem must be eliminated as soon as possible; the roofing layers, when displaced, lose their functions.
ATTENTION!
If there are several visible damages to the roof surface, in most cases the problem can be solved by minor repairs.
Frequently occurring defects
Material selection
After the roof area has been inspected and the scope of future repairs has been determined, it is worth making a list of materials that will be required for the work.
How good will the coating restoration be? largely depends on right choice material for this.
You should choose it based on the following points:
- Choose brands from manufacturers who have already have managed to prove themselves;
- Materials have positive reviews from consumers;
- The price range must be affordable all segments of the population;
- The material is easy to use;
- Characteristics of strength and reliability at a high level;
- They have a long service life.
From more popular materials, which are used in the repair process, can be distinguished:
- Bitumen-polymer material;
- Flat type of membrane tile;
- Roll material;
- Flexible tiles.
In addition to the main type of materials, additional ones will be needed., these include:
- Middling rubber;
- Nails;
- Lathing;
- Plywood;
- Cement for screed;
- Bitumen;
- Thermal insulation and;
- Reiki;
- Rubber seals;
Bitumen-polymer material
Flat variety of membrane tiles
Flexible tiles
Minor repair process
Process minor repairs also has its own installation features, depending on the size of the damaged areas. When installing a flat roof, the material is laid in layers, fastening them together with a bitumen mixture or mastic.
When bubbles form on the coating, this indicates that the middle of the coating began to delaminate and this problem needs to be addressed urgently.
Previously very importantthoroughlyexamine the area for moisture. If there is moisture in it, then it is very important to find the area through which moisture is seeping and replace it with a new one.
If there is no water in the area, then it is enough to attach a patch. This principle is used to determine the nature and method of minor repairs in the event of any damage.
Damage in a small area is eliminated as follows:
- Initially calculate the distance from material that protects roofing felt from sunlight.
- After that cut the swollen surface crosswise with a knife so that it is in the center of the problem area.
- After that conduct a surface inspection under the coating for moisture.
- If the surface is dry, then carry out the procedure of attaching a patch, if not, then leave it to dry or use a hair dryer for such purposes.
- After the surface has dried, use a spatula mastic is applied under the edges of the material. Ruberoid is attached on top using pressing movements, after which a similar manipulation is repeated with the second layer and the material is secured with nails.
- Further cut out suitable size patch, on the outer side of which mastic is applied and applied to the problem area.
- For reliability, nail the patch using plaster nails and apply mastic on top along the contour.
In the last stage of the process, mastic should also be applied to the nail heads.
If the surface of the leaky roof is large enough, then repair apartment building carried out as follows:
- The surface area is completely cut out, capturing everything around the perimeter problem areas, while calculating the number of layers that will need to be laid.
- After that cut out several patches(depending on the layers counted) equal in size to the cut area.
- Further lay the material in layers, applying mastic along the contour of each of them. Laying is carried out end-to-end, pressing on the roofing material with the maximum possible force.
- It is necessary to lay layers until they are equal in height to the rest of the coating, after which another patch is cut out, but this time exceeding the size of the part of the roof being repaired.
- Mastic is also applied to the last patch along the perimeter, applied to the roof surface and fixed with slate nails.
Minor repairs
Overhaul process
Major repairs also have their differences depending on the type of repair.
Repair may be as follows:
- Complete replacement of the roof covering;
- Update roofing material and equipping the roof with additional insulating materials;
- Refurbishment roofing structure and creating a different slope angle.
The overhaul option depends on the problem and the type of construction of the entire roof. The overhaul process is as follows, taking into account the need for complete replacement material and supplementing it with insulation:
- Dismantling a flat roof. They begin to disassemble the roof with all its constituent elements and layers. To make it easier to navigate the process, it is worth imagining the reverse sequence of installation of the structure. Initially, they remove ebbs, aerators, aprons, etc.. After this, they begin to clean all layers of the roof covering. Remove concrete screed and insulation.
- Installation new roof.
The process of installing a new roof is carried out in the following sequence:
- First install beacons to be able to lay the concrete mixture;
- After that line the insulation;
- For insulation material lay out reinforced mesh, after which the screed is poured, the thickness of which should be approximately 4 cm;
- Lay out in several layers;
- Attach: parapet, belts.
Additional equipment with insulation materials is necessary in case of unsatisfactory heat conservation or low level of insulation.
ATTENTION!
If there is a need to add insulation material, That After dismantling the covering, the insulating material is removed and panels with a wedge-shaped profile are attached. A waterproofing film is laid on top of the insulation.
If a decision is made to provide additional insulation to the roof by laying it on top of the surface, then the process is as follows:
- Initially put waterproofing film , on top of which polyurethane foam is laid;
- To ensure secure attachment to the roof, a gravel cushion is installed on top, which is not only a load, but will also provide protective properties coating against exposure to ultraviolet rays.
Roof removal
Flat roof repair in winter
In some cases, it may happen that repairs need to be done in winter.
Of course, if the situation is such that without urgent repairs If you can’t do it, then you need to do it.
But if the reconstruction of the coating can wait, then it is better to abstain until more favorable conditions . In winter, having decided to make repairs, worth keeping in mind following features process:
- The biggest challenge is the weather conditions. It is necessary to approach each stage very carefully and competently. so as not to end up with poor-quality repairs.
- When starting to reconstruct the coating areas, it is necessary to keep them dry and prevent moisture from getting between the layers of roofing material.
- In light of the above, better to have on hand heat gun . It will make it easier to maintain required level temperature regime and install the roof covering correctly.
Roof repair in winter
Conclusion
The process of repairing a soft roof, if necessary, is easy to do yourself. It is worthwhile to approach this issue carefully from the first stage, choose the right material and a high-quality result is guaranteed.
Useful video
In this video you will learn how to make repairs using mastic:
In contact with
When arranging a flat roof, they are mainly used soft materials piece or roll type. This method ensures good sealing roofing pie and resistance of the coating to various natural phenomena, due to which the period of operation is sufficiently long.
However, regular preventive inspection and repairs are certainly required, just like when using any other material. Frequency and type restoration work however, it completely depends on the quality of the initially chosen coating. There are several common problems during the operation of a flat roof. The most common ones and methods for eliminating defects are outlined in this article.
Types of damage
There are several types of roof damage that require flat roof repair:
Important! If detected in a timely manner, repairing a flat roof with your own hands is easy to do, and its cost will not require significant financial expenses. If you ignore regular preventive examination, the defects will gradually increase in size, causing internal manifestations. In this case, you will have to not only restore the integrity of the roof covering, but also restore the interior.
Repair methods
Depending on the area and nature of the damage, two types of repairs are distinguished:
Defect correction technology
There are two main ways to repair flat roll roofing and soft piece roofing:
What consequences will cause untimely or incorrect repairs?
In the absence of preventive regular inspection and elimination of defects, as well as in the absence of compliance with the flat roof repair technology, unfavorable manifestations will occur in all parts of the structure in the form of the following defects:
When to repair a flat roof?
To avoid the need for extensive restoration work, perform regular roof inspections.
Important! It is recommended to carry out this procedure every season. With this approach, it is easy to detect and eliminate existing damage to the roofing covering at the initial stage, which will significantly reduce necessary expenses. In addition, the cost of minor flat roof repairs is significantly lower than a complete major roof restoration. 
Materials and tools
The amount of materials and set of tools varies depending on the amount of work to be done, the specific nature of the damage, as well as the chosen restoration technology.
Below is a list of tools suitable for performing major restoration work:
What material should I use for repairs?
The choice of material is very easy, following the following sequence:
How to make an estimate correctly?
To carry out minor repairs of minor damage, the need for a preliminary cost calculation is not relevant. But for a major overhaul, this approach will be rational decision. In this case, follow the following sequence:
Sequence of work
The entire repair process consists of two main stages:
How to do the preparatory work correctly?
Depending on the nature of the damage to the roof, the scale of the required restoration work, as well as the season of its implementation, the volume preparatory process will vary. Carry out the work in the following sequence, taking into account the peculiarities of the condition of the roof in the case when you plan to carry out partial repairs of some places or leave the previous covering as a lining:
If there is significant damage to the roof, follow the following sequence when preparing the surface:
Repair of minor coating damage
If minor destruction of the material is detected in certain areas, it is enough to install patches. Carry out a set of works in the sequence outlined below to complete this procedure correctly:
How to properly overhaul a flat roof?
Major repairs will require not only large expenses, but also time, although the whole procedure is very simple. Therefore, first calculate your capabilities and set the time for restoring the integrity of the roof for a period when you will not be distracted by solving other problems. With this approach, you will be able to properly organize yourself and complete all procedures in a short time. 
Sequencing:
Video
Watch a video that clearly shows the most important processes in the flat roof repair procedure.
How much does it cost to repair a flat roof?
To evaluate the profitability of the decision to do all the repair work yourself, check out the current market value of such services provided by professional builders:
Measures to prevent the destruction of a flat roof
To ensure that the need for roof repairs occurs as rarely as possible, be sure to adhere to the following recommendations for surface care:
Conclusion
In order for all the repair work performed to really bring benefits and save you from further hassle of updating the coating in the next few years, be sure to follow all the rules during installation. Also take into account the fact that the duration of the integrity of the coating directly depends on the material chosen for restoration. Therefore, give preference only to high-quality products from trusted manufacturers to ensure comfortable accommodation V own home and prevent damage to the entire interior due to a sudden emergency.
