Often, during the construction of private houses, preference is given to a pitched roof, but there are also buildings with flat roof, and as a result, very curious architectural objects are obtained. If a decision is made to equip this structure, then you need to be prepared for some difficulties. There are pros and cons of a flat roof, the nuances of its installation.

Pros and cons of a flat roof

It is worth noting from the very beginning that a flat roof for a private house is not a perfectly horizontal surface. It also has a slope, only a small one (from 1 to 5 degrees). The following main advantages of the roof can be distinguished:

• the overlap of the upper floor will serve as a supporting structure for the roof;
• the same height of the space under the roof will allow it to be used as a full-fledged room;
• gives the house an original look;
• the possibility of using the roof surface (for example, you can equip a summer terrace there);
• simplifies repair work and makes them safer.

The disadvantages include:

• stringent requirements for the waterproofing layer of the roofing cake;
• the need to install an internal drain;
• high degree of snow load.

From the above, it follows that a flat roof - good decision, provided that all roofing work is carried out with high quality and the requirements are taken into account.

Basis for mounting a flat roof

What will be the overlap of the upper floor directly depends on the structural features of the ceiling throughout the house. As a rule, it is performed using the same material as the ceiling between floors.

The most common options are prefabricated or monolithic reinforced concrete floors, profiled sheet ceilings with metal support beams.

Possible option with wooden floor. The fundamental difference from the overlap between floors is the presence of a laid insulation and high-quality waterproofing.

Roofing cake options

The type of roofing cake is determined by the nature of its location and purpose. It can be performed in the classic version or made inverted.

The classic roof has the following composition: ceiling, concrete or expanded clay concrete screed, vapor barrier, thermal insulation material, roofing with a high degree of protection against moisture (mainly bituminous materials).

In the inversion structure, the arrangement is different: overlap, slope, multilayer waterproofing, heat-insulating material, vapor barrier and, finally, the pressure layer. The latter can be made from concrete slabs, gravel, ceramic tiles etc.

The name of the inversion roof was due to the mirror arrangement of the layers of hydro and vapor barrier in relation to the insulation (unlike the classic version).

This type of roofing is ideal for exploited roofs. However, the complexity of the technology makes such roofs a rare exception in the field of private construction.

The technology itself is expensive, since the massiveness of the structure makes it necessary to create a solid floor of the upper floor.

Bearing structures require a detailed calculation at the design stage, and the layering of the cake brings with it significant costs.

Below we will only consider classic version roofing cake, which is often equipped with modern houses with a flat roof.

roofing material

The material for the roof, namely vapor barrier, waterproofing, insulation and the coating itself, must be of high quality.

Vapor barrier is performed by special membranes, not perforated films. It is undesirable to use polyethylene as a waterproofing, since the material does not have the necessary reliability.

Insulation for installation flat roof is selected taking into account the snow load, as well as the load coming from people working on the roof during repairs.

The insulation must be durable and resistant to a humid environment. It can be polystyrene foam, high-density mineral wool, expanded clay.

The efficiency of the latter is not so high, therefore, when choosing it as a heater, it is necessary to achieve a large thickness of the layer being laid. This increases the load on the supporting structures.

The coating is made from rolled materials: roofing material, linochrome, hydroisol, etc., and bulk mastics are also used. Roll material is considered the most optimal for use in the arrangement of a flat roof.

Roofing technology

Flat roof construction involves the following workflow steps. The slope of the roof, albeit small, is achieved by creating a slope.

In this case, you can use bulk material (expanded clay), foam concrete (it is advisable to contact specialists), and a heater. From above, the slope is covered with a waterproofing layer, after which the process of laying the roofing begins.

The next step is laying the first layer. The roll is rolled out, then it is heated with gas burner and glued to the base.

It is important to ensure that the sheets overlap each other and the material is applied to all vertical roof objects (parapets, pipes, etc.).

Three layers of lining and one finishing layer are laid on a flat roof.

The stage of laying the coating is a laborious process, especially if you want to use adhesive mastic.

Overhead gutters, an internal drainage system are used for the drainage device.

In the case when all the work related to the arrangement of the roof is done correctly, you will have an excellent opportunity to proudly declare the originality of your residential creation. And the photo taken of a house with a flat roof will join the ranks of original design solutions on the network.

Photo of houses with a flat roof

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Most often, when designing private houses, pitched roofs are used, but cottages with a flat roof, as in the photo, are much less common. AT last years with the advent of new technologies and modern materials to cover flat roofs, it is possible to create effective waterproofing, despite their unusual shape.

The presence of such a roof makes appearance private house exclusive and original, as it stands out against the background of buildings with hipped or pitched roofs.

Projects of cottages with a flat roof have their own characteristics, and their construction is associated with some nuances, since the roofs on them can be:

Advantages and disadvantages of a flat roof

A flat roof provides the property owner with a number of benefits, including:

The disadvantages of the structural solution of flat roofs include:

• installation with strict adherence to the technology of their waterproofing and. The slightest violation of the rules as a result of negligence or negligence ends with the roof leaking if atmospheric precipitation accumulates on it. Extraordinary repair roofing will cost a lot of money, and sometimes it is required to carry out a complete reconstruction of the roof of the cottage;
• availability in winter period on a flat surface a large number snow involves (if the roof is planned to be used) its regular cleaning, which can only be done manually;
• in the process of snow melting, a significant load is placed on the waterproofing layer

Features of flat roofs

When developing a project for a cottage with a flat roof, regardless of the number of floors in it, the following features will certainly be taken into account:

Creating a flat lightweight roof

If they plan to build a cottage with a flat roof with a lightweight roof, they do not plan to use it.

The order of construction of such a structure is as follows:

As a result of the work performed, a flat roof is obtained, which is of a lightweight type. It performs the functions assigned to it completely, but it is not able to withstand even a slight load. If you want to equip a small place to relax on a flat roof, you need to build a roof using a completely different technology.

The device of a house with a flat roof, more on the video:

Construction of an exploitable flat roof

When designing cottages with a flat roof and hard surface, it is assumed that the created roof will not sag under the weight of the load (read: ""). There are several ways to build an exploitable pavement.

One of the most simple options is the laying of concrete slabs as a floor. The supporting structures for this must have a significant margin of safety, in addition, installation is carried out using special construction equipment. A roof made of concrete slabs must be insulated, but such work can only be done from inside the room.

Another way is the construction of a roof covering based on metal support beams - T-beams or I-beams and channels. A boardwalk made of lumber with a minimum thickness of 22 millimeters is laid on top, and a layer of expanded clay is poured on top of it, which is at least 150 millimeters. A hard coating is provided by a concrete screed.

by the most modern way solid construction is considered to be the use of ceramic large-sized building blocks. They are laid on support beams, and they provide the roof, along with mechanical strength, with fairly good soundproofing and thermal insulation characteristics. Among the advantages of such ceramic roofing blocks, one cannot fail to mention their excellent resistance to moisture. Before making a screed for such a roof, backfilling of expanded clay is not required. The disadvantages of ceramic blocks include their high cost.

Build cottages with a flat roof of a solid type with laying roofing membranes (optional). They provide additional waterproofing and improve performance characteristics flat roof.

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AT European countries houses with a flat roof, which can be seen in the photo, are not uncommon, they are often built in the resort towns of the Mediterranean, since precipitation is an infrequent occurrence there. In domestic open spaces, buildings with such a roof are still rare, they mainly have an industrial or economic purpose - workshops, garages, repair shops, etc. The reason lies in the fact that property owners prefer classic projects construction of private cottages.

flat roof houses

The most common form of their construction are considered square houses with a flat roof, they are luxurious penthouses that attract the eyes of passers-by with their appearance.

Disadvantages and advantages of flat roofs

The advantages of flat roofs are obvious:

• it is possible to use the roof surface for your own needs, you can arrange a place for recreation or sports there, plant ornamental garden, green lawn;
• it is profitable to build a house with a flat roof, since a significant amount is saved, which is necessary to create a truss structure;
• snow that accumulates on the roof surface in winter acts as an additional insulating layer (experts call this circumstance controversial);
• for the operation of the top coating in winter time you can install a heating system;
• if inexpensive roofing materials, then a significant amount of money will not be required for the repair and it will be possible to do it on your own. In addition, repair work, if the roof is made, for example, of roofing felt, is not done on the entire surface, but only partially in case of overlapping defects.

The disadvantages include the following points:

• in case of negligence or unprofessional performance construction works When creating a flat-roofed house, it may be necessary to renovate the interior of the building, which will cost a lot of money. To reduce the likelihood of leaks, you must not forget about observing a slight slope of the roof, otherwise the precipitation will not drain, but will remain on it.

Taking into account the disadvantages and advantages of choosing flat roofs, we can conclude that this type of roofing is currently relevant and is a promising and reasonable solution, since it becomes possible not only to build an original building, but also save a significant amount of money.

Features of a flat roof device

The construction of houses with a flat roof has a number of nuances that should not be forgotten at the design stage. Most often, the basis for are corrugated board and reinforced concrete slabs, less often lumber is used.

The installation of corrugated board is considered the most economical and financially advantageous, but it can be used when the upper surface of the roof will not be used, in addition, it will be required additional insulation. Concrete is considered reliable and durable, since on top of it it is possible to install not only a gazebo for relaxation, but also a small swimming pool, which is used in summer.

Natural wood base is usually constructed when building frame houses with a flat roof.

Flat roof decking

If a house with a flat roof is being built using corrugated board, then after installing the support, a vapor barrier layer is laid on top of it. It is necessary to prevent heat loss from the interior of the building. Vapor barrier material is produced in rolls having a certain width and length. Places of overlapping vapor barrier, which can be used as a polyethylene film, must be carefully connected.

Then a heat-insulating layer is mounted using plates for insulation, which are joined together. For reliability, a two-layer laying system is often used. There are bulges on the sheets of corrugated board, which must be tightly filled with heat-insulating material.

After that comes the stage of creation using a polymer film. When all the insulating layers are laid, reinforced concrete slabs are mounted or a sand-concrete screed is poured.

When a country house with a flat roof is being built, regardless of what the base is made of, it is always necessary to make a slight slope - at least 5 degrees, otherwise water will remain on its surface.

Even a minor oversight made during the construction of a house with a flat roof can cause a major overhaul in the very near future.

Flat roof waterproofing and insulation

brick or wooden houses with a flat roof require high-quality waterproofing of the roof, which is performed using:

• films to create a protective waterproofing barrier against moisture;
• EPDM membranes, PVC membranes;
• hydrophilic rubber;
• liquid rubber - sprayed waterproofing;
• injection materials (silicone resins);
• lubricating compounds that are used to connect waterproofing sheets;
• penetrating materials.

Membrane insulation. Considered cutting-edge technology to provide quality waterproofing when built frame house with a flat roof.

Diffusion membranes are in the greatest demand, they are:

• with microperforation;
• superdiffusion;
• anti-condensate.

Environmentally friendly and fireproof superdiffusion materials are especially in demand, since during their installation it is not necessary to leave a gap between the layers of waterproofing and thermal insulation, they repel moisture, preventing its penetration into the thermal insulation layer. The service life of such membranes is about 25 years. They are often used when building wooden house with a flat roof.

There is another way - old and well-tested - this is adhesive waterproofing. It involves the use of roofing material, which is glued to the surface by heating.

flat roof insulation

Insulation of flat roofs is one of the very important types of work associated with. You can do it from the outside or from the inside in one or two layers. The easiest and cheapest way is to insulate the roof from the outside. The two-layer thermal insulation system makes it possible to reduce the load on the floors. The first layer is a heat insulator. The second layer is denser; the distribution function is assigned to it.

It is not difficult to create a flat roof with your own hands - the main thing is to follow the technology.

House projects

Flat Roof House Projects

Country or country houses with a flat roof are attractive architectural solutions that are suitable for customers with different needs and budgets. Although pitched roofs for cottages are traditionally very popular in Russia, today more and more often the choice is made in favor of originality. A flat roof not only looks exclusive and modern, but also performs its main functions perfectly. With proper operation, it reliably protects against precipitation, provides good heat and sound insulation. Online store Proekt-Shop offers big choice flat roof house plans. On the site you can find thoughtful solutions with different layouts. All projects were developed by our experienced specialists.

Design and operational features of the roof

A roof can be called flat even if it has a slight slope. Such a height difference is necessary to divert rain or melt water. If it is absent, drainage of another design is provided (for example, a drain system). When choosing a cottage project with a flat roof, it must be borne in mind that such houses have a number of operational features. For example, in winter snow can accumulate on them: it must be removed promptly to avoid leaks. In addition, in such houses it is important to ensure that the roof is airtight and the insulation does not get wet.

Benefits of a flat roof

Aesthetics. The houses built according to the projects presented in this section are distinguished by their original and stylish appearance. The abundance of flat surfaces, strict forms and conciseness - all this makes them unlike neighboring buildings. Such projects will be an excellent choice for those who appreciate the uniqueness in the design of the space around them.

Economy. The total area of ​​a flat roof will be significantly less than that of a pitched structure for a similar house. Therefore, when choosing such a project, you can save on materials, and in some cases, on simpler installation.

Additional area. Flat roof house designs are suitable for those who want to equip a comfortable space for outdoor recreation. Here you can sunbathe, play sports or even receive guests. An additional platform is also suitable for accommodation solar panels, ventilation elements or other engineering systems.

A variety of cottage projects with a flat roof

In the online store Proekt-Shop you can find a solution for every taste. Our catalog of flat roof house projects presents options for building from different materials. Most often, aerated concrete and foam blocks are used for such buildings, and frame buildings are also popular. The projects differ from each other in terms of total and living area, the number of rooms, the presence of a garage and a terrace. When choosing the appropriate option, the number of family members, the need for arranging additional premises are taken into account: offices, games, gyms, etc. The Proekt-Shop online store offers a large selection of projects one-story houses with a flat roof. As a rule, these are variants of buildings that are compact in area, which are suitable even for small plots. To accommodate additional rooms lofts can be used. The range also includes projects of two-story houses with a flat roof.

Stylistic features of cottages

According to 3D models and photos of projects of houses with a flat roof, you can evaluate the appearance of such buildings. Most of them are characterized by the use of straight lines and non-classical forms. flat roof house plans modern style can be performed in different directions:

• high tech,
• constructivism,
• minimalism,
• cubism, etc.

Such external design buildings is often combined with the use of innovative technologies in the arrangement of engineering systems, such as solar panels. In addition, the design of the interior of the house is also often done in high-tech style.

Project order in Proekt-Shop

To buy a set of documentation for building a dream home, leave a request on the website. We offer competitive prices for projects from qualified specialists. If necessary turnkey solutions can be customized according to customer needs. Proekt-Shop offices are located in Moscow and St. Petersburg, we also deliver house projects to other regions of the Russian Federation for free. For more information, you can contact the consultants in the online chat or by phone.

There are many roof design options for a private house. Today, along with tent structures modern technologies and materials allow you to create flat options. It is worth considering in more detail what a house with a flat roof is, its design features, pros and cons.

Description

Traditionally, in temperate and northern latitudes, a hipped roof with sloping slopes was erected, which prevented the accumulation of snow cover on the surface and allowed heavy precipitation to flow down to the rain drain system. Flat-roofed houses were common in the southern regions, where there was no heavy rains and there was no snow at all in the winter. But development construction technologies and the emergence of modern materials, especially waterproofing, made it possible to create a horizontal roof without problems in any region, even in the Far North.

A flat roof is a ceiling that is located horizontally directly above the residential floors of a private house. Several layers of insulating materials that protect against moisture, cold and steam, as well as a drainage system, allow you to create reliable top protection in a one-, two- or three-story private house.

Do not be afraid that leaks will appear on the ceiling of the last floor, since with a competent approach and quality materials they are completely out of the question. The main thing is to properly operate such a roof and change the coating in a timely manner in accordance with the warranty period.

In buildings with a straight roof, functionality is increased, since the roof surface can be used. In many ways, the installation of such buildings is simplified compared to tented options, where it is necessary to build truss system. They also have many other advantages.

Principle and types of construction

To begin with, it is worth noting that a flat roof in a private house is not strictly horizontal, in order to prevent water from accumulating and draining it, a surface slope of about 5-7 ° is provided. The principle here is the same as for weirs. pitched roof- they are located at a slight slope, which is invisible from the ground, but allows all the accumulated moisture to drain into the downpipe. Also on a flat roof: water collects in a certain place due to the unevenness of the surface, but the site looks horizontal, you can safely break a lawn or equip a recreation area on it.

The drainage system on such a roof contains special funnels into which flows under the influence of gravity rainwater and then with the help of a hose system goes into the sewer or underground. These devices are made of plastic, not subject to moisture and decay, are mounted in layers of insulation on the roof, and are provided with a protective mesh on top so that the neck and drainage systems do not clog. One such water intake funnel is designed for approximately 100-150 square meters. m of roof area, from here you can calculate their total number. Usually for small country house enough 1-2 pieces.

A flat roof can be exploited and non-exploited. If it is practically not used, that is, it is climbed several times a year to check the integrity and current repair, then the coating contains the following layers from bottom to top: thermal insulation, vapor barrier and waterproofing. The flooring technology here is practically the same as in residential multi-apartment and industrial buildings.

There are the following common types of non-exploited flat roofs: from corrugated board and monolith.

• The first option is the frame. First on concrete base a metal profile crate is mounted or wooden beams, insulating materials are placed in it. Then profiled metal sheets are attached to the frame. It's relative cheap option, easy to install, the design is light weight. But it is practically impossible to walk on such a roof, because the profiles will bend and deform.

• Monolithic coating for a flat roof contains several layers. A vapor barrier film of hot bitumen is laid directly on the concrete slab, then mineral wool and waterproofing are applied, and a cement-based screed, reinforced reinforced mesh. Such an unexploited roof will have a lot of weight, but it will reliably protect the house from rain and cold.

Another option, if the roof is constantly involved, people walk on it, there are some objects. Then the insulating layer changes in order: first comes the waterproofing, on top of which the thermal insulation is installed. Therefore, such a roof is called inversion.

The order of laying materials is as follows: first, a bitumen-polymer membrane is placed on the floor slab, then a layer of thermal insulation from foam foam, foam plastic or expanded polystyrene is laid. If there is a desire to create a green lawn on the roof of your house, then a separating and filtering layer of geotextile is laid over these insulators, and then a fertile layer on which natural grass will grow.

Such a roof with a fertile layer can be freely used throughout the warm period, with proper installed system drainage she is not afraid of rain. On the roof you can place a children's or sports ground, put sunbeds or benches, break flower beds and even have a picnic. Exploited roofs with a green coating today are common not only in country houses, but also in city houses.

The arrangement of a flat roof does not end with flooring and pouring insulating layers and laying drainage systems. Ventilation is essential for proper operation. Moisture and its vapors can accumulate between the layers of insulation, further, during frosts, the insulating cake can crack, bubbles appear on it, and delamination occurs. In order to avoid this, aerators are used - plastic or metal tubes with umbrella-shaped caps that are mounted inside the roofing. The air entering through them, due to the pressure difference, weathers the water vapor from the insulation layers, they remain completely dry.

Another important point after laying a flat roof - this is a lightning protection structure. It should not be neglected, because, despite the low probability of occurrence, a thunderstorm can lead to the most catastrophic consequences in country house. The lightning protection mesh is installed inside the insulation layers, if they are not combustible, or if they are combustible, on top of them on special holders at a height of 10-12 cm from the surface. All nodes of this grid are connected into one lightning rod made of thick conductive wire, which goes to ground.

Advantages and disadvantages

Low rise flat roof buildings various projects, have been operated in our country for more than a year. Feedback from owners who have lived in such houses for several years will help highlight all the advantages and disadvantages of such structures.

They have the following advantages:

• saving materials - no need to build a complex truss system, and roofing is simplified;
• speed of construction compared to gable and even more so hip roofs;

• ease of repair and replacement of roofing;
• the device of a flat roof allows you to make a platform on it for various needs: a lawn, a recreation area with a gazebo, a gym, a children's corner, etc .;

• in the ceiling it is possible to mount windows, this is very original project interior plus an additional source of natural light on the ceiling;
• roofing work will be much safer than in the case of a hipped roof;
• with strong gusts of wind there is no risk of disruption of massive roof structures and upholstery.

According to the reviews of the owners of such houses, one can also point out the disadvantages of a flat roof:

• unlike tent structures, snow will accumulate in large volumes on such roofs in winter, which must be regularly removed manually;
• installation of a drainage system is required;

• it will be necessary to constantly monitor the integrity of the roof, the absence of leaks;
• despite the apparent ease of installation, flat roofing has many nuances, insulator layers and gutters must be done as correctly as possible, otherwise leaks cannot be avoided.

Many projects of private houses with a horizontal roof came from Europe, where the climate is milder. Therefore, such decisions must be adjusted in accordance with our more severe weather conditions.

What to do?

Flat roofs can be made from a variety of materials, depending on the structure of the building.

• If the house is brick, made of gas silicate or concrete blocks, then a reinforced concrete slab can be used as a roofing. In this case, the roof will be as strong as possible, bulky and heavy objects can be placed on it. Such a floor material does not have moisture protection, therefore, in any case, it will be necessary to make a waterproofing layer from rolled bitumen or screed with a lower bitumen-polymer membrane.

• Wooden roofing of a similar design will cost less than concrete, they can be made on suburban area himself. A frame with beams is installed on the walls, as they can be planed beams 10x4 cm or others, the main thing is that they are able to withstand the weight of future insulation and other items located on the roof. The wood is treated with an antiseptic and a refractory solution. Roofing from a bar can be covered with wood boards, boards or metal corrugated boards.

• As a waterproofing for houses with a flat roof, bitumen is traditionally used. it organic material on a hydrocarbon basis, which is produced during the distillation of oil. It has excellent waterproofing properties, is not subject to moisture, rotting, and is not afraid of frost. The main disadvantage of bitumen is its non-environmental friendliness - it contains harmful components, and when heated, it emits a pungent odor. Nevertheless, bituminous insulation is still in demand, including in the construction of flat roof houses.

Bitumen can be rolled and liquid. Usually for maximum efficiency use a combination of the two. First, a hot solution is poured onto the prepared, cleaned surface, then rolls of solid bitumen are rolled up. Such a combination allows you to close any microscopic cracks and cracks and reliably protects the roof from moisture.

• There are other modern waterproofing materials, cleaner and harmless than bitumen. These include, for example, euroruberoid. It is also made on a bitumen basis, but, thanks to synthetic fabrics and polymers in the composition, emits less harmful substances and smells. Euroruberoid is produced in rolls, for durability it is sprinkled with special mineral chips.

• There is sprayable waterproofing for roofing in the form of powders and aerosols. It is applied to the surface using special equipment. Similar mixtures are produced from plasticizers, cement, synthetic resins and hardeners. Their advantages are that they not only protect against moisture, but also reflect the sun's rays, do not let steam through.

• Coating waterproofing is widely used to protect against precipitation. It, like liquid roofing material, is applied to the roof surface with a roller or brush. Among such materials, emulsion, rubber, polymer mastics and a primer are especially common.

• There are options for bulk waterproofing in the form of granules that absorb moisture well and prevent it from seeping into the living space. Examples are expanded clay and gravel. Their advantage is that complex installation is not required - the granules simply rise to the level of the roof, crumble and evenly smooth out over the surface.

• As a vapor barrier, a polyethylene film 0.1-0.5 mm thick is usually used, which is laid across the entire width of the roof under the heat-insulating layer. To protect against the cold, many effective materials are used: mineral wool, foam plastic, foam plastic, expanded polystyrene and others.

• Solid glass roofs are very spectacular and impressive in appearance. The transparent ceiling in the house visually enlarges the space, creates a unique air atmosphere, the rooms are always as light as possible. It is not very difficult to mount such ceilings, it is enough to create a frame from metal profiles or wooden frames and glaze it. But the operation of a glass roof becomes more complicated, in winter it is necessary to constantly clear it of snow cover. Therefore, it is best to make a solid ceiling with small ceiling windows.

Design options

A flat roof can be installed both in a one-two-story house with a small area, and in a spacious cottage. In a large building, you can combine a pitched hipped roof with a horizontal one, for example, using it for an outbuilding or a veranda. The shape of the roof can also be different: square, rectangular and more complex. The main thing with a non-standard project is to correctly calculate the slopes and the weir system so that moisture does not accumulate on the surface.

Air conditioners, ventilation systems, television antennas, communication boxes and other equipment can be located on an inverted flat roof. If the roof will be used as a platform for recreation or other active pastime, then it is necessary to mount a fence along its edges.

Also, when installing such a roof, you should immediately take care of a convenient climb up with a railing. There are many projects of the used inversion roof with drawings that can be used as a guide when building your home.

Installation Instructions

Before building and arranging a flat roof, it is worth breaking down a step-by-step plan of all work.

• It begins with the choice of shape, type and materials for overlapping. It should be borne in mind that the load on such a structure is always more intense than on tent options. Based on this, you need to make a drawing of the frame system with beams and ceilings. The sketch indicates the geometric shapes, dimensions, color, materials, necessary communications. It is best to immediately have a visual idea of ​​​​what the future roof for your home will look like.