Do-it-yourself crate for a soft roof. Preparing the roof for a soft roof The basis for a soft roof which is better

Soft roofing is far from alone roofing element. The concept includes a group of special roofing materials, which, as the name implies, have a soft structure. This includes bituminous and soft tiles, roofing material, guided roll coatings etc. Although outwardly they may all differ, they are made on the same basis - from modified bitumen. It is he who does finished products soft and flexible. Based on this, it is logical to replace the feature of such a roof: products cannot keep a rigid shape on their own, without auxiliary elements. The same applies to load bearing. In order for the roof to fully perform its functions, it is important to correctly make the base under it.

The frame must be rigid and durable. It is the crate under soft roof creates such conditions. But, it differs from the usual base. How? What is its feature and how to make a quality foundation? Let's find out.

What is it, crate under the roof

In general, there are two types of base for roofing material:

Sparse base.
Solid base.

What is the difference between them? A sparse base is a structure made of boards that are stuffed onto rafters. At the same time, when arranging such a crate, it is important to observe the step (distance) from one plank to another. On average, it is 20-55 cm. It all depends on the type of roof, waves, etc. But, such a base is only suitable for hard surfaces. They do not sag and stay flat on the roof. The photo shows what this crate looks like.

But the crate under the soft roof must be made solid, since with a conventional basis it will hang down. It's all about flexible structure. As a basis, a solid flooring of boards, OSB boards and moisture-resistant plywood can serve. There is no step of the crate for a soft roof, but a small ventilation gap can be made between the slats, the width of which does not exceed 1 cm.

Only such a base is suitable for this type of roof.

Note! Since the layer is continuous, much more consumables will be required. This, accordingly, makes the roofing device much more expensive than conventional.

Varieties of crates

If everything is clear with continuous flooring, then it is important to note that the structure can be made not only in one layer. There are two types of continuous crates:

We have dealt with the theory. And what about practice? How to do everything yourself in practice?

How to make a single layer solid crate

If we compare these two types of crates, then it is much easier and cheaper to make this option. But, it's not as efficient. The task is to fill the coating on the rafters, without various additional elements. For hoz.konstruktsy and budget construction without insulation just right.

Use of rails

For work, tes or tongue-and-groove boards are suitable. It is strictly forbidden to make flooring from unedged materials. It's all about what's on the surface soft roof All irregularities and defects will be visible. Therefore, the decorative side immediately rolls to zero. Yes, and insulation from moisture will be of poor quality, which will negatively affect the entire roof.

This is the most simple crate, which includes slats stuffed across the rafters.

What materials should be used for soft roofing? Here are the rail requirements:

surface without knots, smooth and even;
width - from 10 to 14 cm, thickness - 2-3.7 cm. It all depends on the rafter pitch. If it is up to 90 cm, then the required thickness is 2 cm, exactly 90 cm - the thickness is 2.3 cm, at 120 cm - 3 cm. And if the pitch of the rafters is 150 cm, the thickness is 3.7 mm;
the humidity of the rails is 20% and not more, so that the material does not dry out and the fasteners do not fall out;
it is important to treat the elements with an antiseptic.

The device of the lathing under the soft roof is to fix the materials on the rafters. Work must be carried out from the overhang, moving towards the ridge. The joints of the boards are made on the rafters, and the fasteners are hammered closer to the edge. Between the slats make a ventilation gap.

Using shields

It is much easier and faster to work with panel materials (plywood, OSB). They are flexible, waterproof and durable. The surface will be perfectly flat. The photo shows in detail what such a roof looks like and how to make a crate.

What should the material be?

moisture resistant;
the recommended thickness is from 0.9 to 2.7 cm. If the pitch of the rafters is up to 60 cm - 0.9 cm, the pitch of 60 cm is 1.2 cm, the pitch of 90 cm is 1.8 cm, the pitch of 120 cm is 2 .1 cm, step in 150 cm - 2.7 cm;
everything needs to be treated with an antiseptic.

Double crate device

This is a two-tier structure. As in the first case, there are two versions.

From the boards

Boards serve as a basis and a covering. The technology of the device can be seen in the photo.

The slats of the first row should be at least 2.5 cm thick and 10-14 cm wide. The top layer boards should be 2-2.5 cm thick and 5-7 cm wide. As usual, lumber should be pre-treated with an antiseptic.

The technology is as follows: a substrate of boards is stuffed parallel to the ridge, in steps of 20-30 cm. On top of the base, diagonally (45˚), a second layer of boards is stuffed. This leaves a gap of 3 mm. The lining is arranged starting from the bottom, moving up. The flooring is suitable for roofing material. The second option is suitable for tiles

From shields

it combined option, consisting of false boards or bars, and a second top layer of OSB or plywood. For cold roof technology is as follows:

Boards are nailed perpendicularly to the rafters with the desired pitch.
Plywood or OSB is mounted on top.

In this case, there is no waterproofing and insulation. But if you want to do the right thing roofing cake, this is a bit more complicated.

A counter-lattice is mounted along the rafters. On top of it, perpendicularly, the first layer of the lathing of the boards. And now, on top of the substrate of the boards, shields are stuffed. Due to the counter-lattice, a ventilation gap is created. At the same time, a layer of waterproofing is attached to the rafters, which is fixed with a counter-lattice. The diagram below shows how the whole job is done.

Summing up

A soft roof on a wooden crate can last for many years. It has many advantages, including low weight, noiselessness, long term services and appearance. But in order to bring all this to life, you need to make a high-quality crate, then the soft roof will only please you. Although the cost will be a little more than for a conventional roof, you will save on hiring workers and you can do everything yourself. To make it easier for you to navigate, we suggest that you additionally watch a video on how to complete all the work on arranging such a roof. Then the task will seem easy and fast for you.

Lathing under a soft roof is a special structural element that serves to fasten roofing materials to the main elements of the roof. Technologically, it is a series of boards that are attached to the rafter system. Depending on the type of roof and roofing materials, it can be of two types:

solid - for soft roofing materials;
sparse - for slate, metal tiles and other hard coatings.

Roof lathing for soft roofing is carried out in two layers:

Sparse, which is made from boards.
Solid, made of chipboard (OSB) or moisture-resistant plywood.

It should be noted that the continuous crate additionally performs the functions of thermal insulation and sound insulation.

Basic rules for the implementation of the crate

Lathing under a soft roof is carried out in compliance with the following rules:

if the angle of the roof slope is in the range from 5 to 10 °, then it is made in the form of a continuous flooring of moisture-resistant plywood or boards;
if the angle of inclination of the roof is in the range from 10 to 15 °, then it is performed using a beam of 45 × 50 millimeters, moisture-resistant plywood and a direction parallel to the eaves in increments of 45 centimeters;
with a slope angle of more than 15 °, a beam of 45 × 50 millimeters is used in the construction of the crate, but in increments of 600 millimeters;
in the area of \u200b\u200bfixing the valley and the ridge, the installation of an additional beam is used.

by the most the best option for arranging the lathing of a soft roof, it is customary to consider calibrated boards. This is due to the fact that when using boards of different thicknesses, it is difficult to achieve flat surface at the junction and the crate in this case will be stepped. Already checked years of experience operation, that in places with an uneven surface of the lathing, the service life of a soft roof is noticeably less. The stepwise difference in the level of the boards in height is unacceptable, therefore, when arranging the roof, high-quality Construction Materials and carefully adjust their joints.

Recommended for boards conifers trees that have low cost and excellent performance.

The step of the lathing under the soft roof is no more than 100 millimeters, which is due operational characteristics roofing materials. The solid layer is made of calibrated edged board, moisture resistant plywood or particle board (OSB). A continuous layer must be firmly attached to the boards, have a moisture content of not more than 20%. The strength of the crate must correspond to the loads that it must perceive from the following influences:

loads from snow cover;
roofing loads.

Depending on these factors, the most optimal parameters roof structures. For example, with a rafter pitch of 500 millimeters, a board with a thickness of 20 millimeters or moisture-resistant plywood with a thickness of 10 millimeters is used to build the crate. With a rafter pitch of 1200 millimeters, boards 30 millimeters thick or moisture-resistant plywood 20 millimeters thick are used.

The soft roof is very resistant to fungi and mold, but the same cannot be said about the wood from which the crate is made. For this reason, special attention is paid to the preliminary antiseptic treatment of all wooden structures.

Installing a drip

One of the important elements of the sheathing for a soft roof is a drip, which protects the cornices from negative impact moisture. Since it is on the cornices that moisture contributes to rotting wooden elements structures and their destruction. Depending on the angle of inclination of the roof slopes, the drip can have a bend from 100 to 130 °. The dropper is mounted on the very edge of the roof, it is given a strict vertical downward direction, which ensures that water flows directly into the gutter. In addition to the protective functions, the dripper creates an aesthetic appearance of the roof and helps to increase its service life. The main features of the dropper are:

the material for its manufacture is galvanized steel with a layer of a special coating that increases the anti-corrosion properties of the dropper;
the color of the drip should match the color of the roof, so as not to spoil the aesthetic appearance;
installation of a dripper is carried out around the entire perimeter of the building, which makes it possible to completely protect the roof and facade from the harmful effects of water;
in addition to moisture-proof properties, droppers give the roof additional protection from the wind.

Drip installation technology

When installing a dropper, follow the following basic rules:

its base is attached to the crate, and the lower edge is directed to the gutter;
fastening of droppers between themselves is carried out with an overlap;
to protect the edges of the crate, additionally install front strips;
after that, a carpet is installed, the edges of which are treated with mastic, which improves adhesion to the roof surface;
on top of the dropper, a soft roof is installed.

Generalized conclusions

Summarizing all of the above, the installation of lathing under a soft roof is carried out according to the following rules:

The crate is made in two layers, which form a single continuous coating.
Solid flooring must be absolutely even and smooth.
All bends and sharp corners in the construction of the battens should be removed to avoid friction and kinks in the soft roofing material.
Optimal Width edged board for the manufacture of crates is 14 centimeters.
Laying the boards is done with the tray up, which avoids the runoff of water into the under-roof space.
ends end boards should be carefully rounded - this will help to avoid sharp bends in the material.
All wooden structural elements crates must be treated with an antiseptic composition.
The step of the lathing for a soft roof depends on the maximum wind force in a particular area and the angle of the roof. The greater the wind force, the smaller the pitch of the crate, and vice versa.
A gap of 1 centimeter should be left between the boards of moisture-resistant plywood or particle board (OSB), which make up a continuous layer. It is necessary in case of swelling of these materials from moisture ingress.
To protect the wooden elements of the crate from the influence of precipitation, it is imperative to install a drip.

Roofing materials cannot be counted today. For every taste and budget. Among them, a special place is given to soft tiles. If you have given preference to this coating and decided to arrange a soft roof on your roof, then be sure to familiarize yourself with the basic rules for its installation. But before that, think about arranging a roof for a soft roof. After all, this process is very important and requires special attention to yourself.

Features of a soft roof

Bituminous (soft) tiles appeared about 30 years ago. Subsequently, this roofing material has gained wide popularity. They produce soft tiles for the roof and lining for it from raw materials such as non-woven polyester or fiberglass. The latter is impregnated with a bitumen-based composition. Polyester, unlike fiberglass, has a higher tensile strength. It should be used in areas where there is a large load on the roof. These are skates, valleys and various junctions.

On top of the flexible tiles there is a topping, which consists of granules of basalt or mineral chips. At the bottom of the material is a self-adhesive layer made on the basis of bitumen. It also has polyethylene film, which must be removed during operation. To prevent individual sheets from sticking together during the time the tiles are stored at your home, manufacturers refuse to fasten protective film and sprinkle its bottom surface with sand.

Soft tiles are produced in plates. They have a length of up to 1 meter, a width of 0.3-0.45 meters, a thickness of 3-5 millimeters. At different manufacturers material differs in color and shades. The price of a material that is made on the basis of fiberglass will be much lower than that of a tile that is reinforced with polyester. In this way, last option it is more advisable to buy for the formation of the main coating, if the level of strength does not matter.

It will be possible to equip a soft roof if the slope of the roof under the soft roof is at least 11-12 degrees. If the slope is greater, then rainwater will stagnate on the surface. And this will cause the destruction of the structure. When laying bituminous tiles, the shape of the roof can be any, even the most complex design. The finished roof takes the form of a rectangle or oval. The form of a hexagon or any other geometric figure is possible.

Working conditions with soft tiles

When working with soft tiles, adhere to certain working conditions:

You can equip a soft roof if the temperature environment reaches at least 10 degrees above zero. The bottom layer of material, which is able to stick, will spontaneously adhere to the base when heated by the warmth of the sun. After gluing, a completely monolithic carpet will be created that is not able to get wet.
If the temperature is lower outside, then the glue layer will not melt. In this case, the lower part of the material will have to be heated forcibly. For this purpose, buy yourself a hot air gun.
For industrial facilities, a special shelter called a greenhouse is possible. it wooden structure or a metal structure that is placed on top of the roof in case the roof is installed in frost and warms up until the temperature reaches desired value. However, in particular cases, this option will not be beneficial, as it is expensive.
Remember: if the weather is damp outside, then from laying soft tiles better to refuse. Of course, laying the material on a wet base will work. But it will quickly rot under the coating. Thus, the best time for this type of work is summer. In winter you can do preparatory work. For example, make a truss system, as shown in the photo of the roof under a soft roof.
All this time you will store soft tiles. Create suitable containment conditions for the material. In the chosen place there should not be direct access to the sun, since the adhesive layer should not melt under any circumstances. In no case should the temperature fall below zero.

Roof preparation for soft roofing

The laying of bituminous tiles, as well as the installation of other roofing materials, begins with preparatory work.

1. Arrangement of the base for a soft roof

The base for soft tiles should be solid, even, since the material is not only glued to it, but also nailed:

Well, if you take OSB (OSB) plate or edged board for the base. Also suitable for plywood. Use moisture resistant or tongue-and-groove.
Please note that you cannot use wet material. The level of its humidity should be minimal - no more than 20% of the total mass.
When creating a base for a soft roof, the joints of the boards are located at the places of the supports. At the same time, take boards with a length of at least 2 spans between such supports.
With such work, it is worth considering the ability of the boards to expand. This is a common occurrence in wood and is caused by a change temperature regime and humidity level. Leave enough space between boards.

2. Creation of ventilation gaps

When preparing a roof for a soft roof, always leave air gap. Remember to make it big enough. Its dimensions must be at least 50 millimeters. Position higher exhaust hole. And at the bottom of the roof, make a hole for air flow.

Ventilation gaps will ensure a long service life of soft tiles. They are required because they perform many functions:

They remove moisture from the heat-insulating material. The construction of the crate and the roofing pie also get rid of it.
When arranging ventilation, the number of icicles and ice that form on the roof in winter is reduced.
In summer, the optimum temperature regime will be maintained in the middle of the roof.

3. Installation of underlayment

Be sure to equip under flexible tiles lining layer:

To do this, prepare insulating material in rolls. It is better to give preference to materials recommended by soft tile manufacturers. They contribute to a better “sintering” of the roofing cake into one whole.
Ruberoid should not be used, as it has a short service life. Its use with durable material like soft tiles, impractical.
Lay parallel to the cornice lining material. In this case, choose the direction from the bottom to the top.
Make an overlap, which should reach at least 10 centimeters.
Fix the edges with nails, maintaining an interval of 20 centimeters. Seal the seams with glue.
Sometimes when attaching drainage system you have to install special brackets that are needed for mounting the lining layer.
If the slope of the roof is more than 18 degrees, the lining layer is allowed to be arranged only in places where leaks are most likely to occur. This includes skates and cornices.
Also make waterproofing in the valleys and the end of the roof.
Be sure to lay the lining in places where the joints of the roofing material to the walls pass through the roof.
Don't forget about chimneys and skylights.

Creating a crate for a soft roof

After preparing the base for a soft roof and installing the lining carpet, start manufacturing special crate. It consists of bars and boards, which should be perpendicular to the rafters. The crate will act as the base on which the workers attach the flexible tiles.

1. Material and requirements for it

When laying the crate, adhere to the following requirements:

The material that is used for the crate must be strong enough to withstand the weight of the roofing, people and snow in the winter.
Make a hardy crate that has great reliability.
Arrange a design that is not able to respond to factors external environment and mechanical influences.
On the crate should not be tubercles and sags. Cracks are allowed no wider than 6 millimeters. And there should be no protruding nails at all.

To make a crate for laying a soft roof, prepare a material that without fail meets the established quality standards:

Cutting board. Its width should be 140 millimeters. Choose only durable material High Quality.
Wooden bars. It is good if their moisture content is not more than 20% of the total weight. dimensions the bars will change as the crate step progresses.
diffuse film. You can also use a roofing film. It is needed to improve thermal insulation and increase the waterproofing properties of a soft roof.
Roof runs. They will strengthen your roof, make it more stable, give reliability.
Plywood. On this material you will place the board. So you will achieve a perfectly even crate.

Not only the roofing material is responsible for the quality of the roof. This function lies entirely on the crate. Therefore, when making a crate for soft tiles, follow these recommendations:

Before arranging the crate, lay the bars on the rafters parallel to the ridge. Maintain an interval of 5-10 centimeters. On top of the bars, place the tes from the ridge along the descent to the overhang.
Despite the fact that there are several types of crates, use only solid crate under a soft top. Do the crate in 2 layers.
Be sure to follow the evenness of the structure. Remember that you should eliminate corners and kinks. Excessive bending of soft tiles is fraught with consequences. Therefore, adjust the material very high quality so that there are only smooth, even lines.
In the manufacture of lathing for soft roofing, one must take into account one important point. Always take into account the condition of the boards used. Wood can warp during storage. As a result, depressions and bulges appear on its surface. If you want to properly lay the roof, which will last a long time, place the boards in this position - with the tray facing out. So the moisture that has seeped onto the roof through the roofing will drain down. If you do not take this into account, then after a while you will find the consequences on your roof. Water through the joints of the roof will fall into the under-roof space. After that, the materials used will finally deteriorate.
There is one more nuance that should not be forgotten when creating a crate for a soft roof. it proper manufacture finish layer. It must be solid. To form it, prepare the frontal boards. Round them off at the ends. So on the shingles there will be only smooth bends, and you can forget about the breaks.

3. Instructions for creating a crate

Carry out work in the following sequence:

Attach the battens to load-bearing structure roofs. The direction of work is from bottom to top.
Nail the bottom crate. It is attached directly behind the cornice board. It is required to fix the first row of soft tiles.
Lay underlay tape. It is placed horizontally in relation to the roof ridge. Lay the first strip at the eaves. The following are placed with an overlap. So they do the work to the ridge of the roof.
The roofing tape is fixed between the rafters and the bars of the control batten. This must be done to form normal ventilation gaps.
Fix the first bar to the edge of the rafters. First of all - in the area of the eaves.
Set the second bar behind the bottom edge of the first. Maintain a distance of 300-350 millimeters between them.
Attach the following bars. The step in this case is 370 millimeters.
The last bar is attached to the skate board. To do this, use ordinary nails. The distance should be about 200 millimeters.
Remember that all bars must be located strictly horizontally. To create a reliable crate, to achieve the strength of fastening sheets of soft roofing and not worry about the accuracy of the connections, strictly observe the distances between the bars.

Thus, soft roofs today have many fans. The quality of its flooring and use will directly depend on the quality of the roof preparation, the correct creation of ventilation gaps and the laying of the lining carpet. But the most great importance has a crate arrangement. Pay due attention to its design, the selection of high-quality material and the study of all the nuances of work.

The crate under the soft roof has its own characteristics. Since such a device is found quite often in the construction spaces of our state, it is necessary to find out the main nuances and varieties of materials for its manufacture. If you properly perform such a roof, you can achieve excellent technical characteristics, including resistance to natural disasters. Plus the ease installation work and low labor intensity of processes cannot leave indifferent all modern developers. In this article, we will consider the device of the crate for a soft roof and get acquainted with all the features and nuances of such a design.

Before you make a crate, you should know which material is better to choose for its manufacture, because each of them has its own individual characteristics. technical specifications. Today there is great amount options, and the most polar among which are the following types:

To create a crate, a cut calibrated planed board with a width of about 14 cm is very often used. The material must be of high quality and reliable. Professional builders it is recommended to prepare it in advance;
The device is often made from wooden block. It is worth noting that special attention should be paid to the moisture content of the wood, which should not exceed 20% of the dry weight. During the workflow, the dimensions of the bars may change, so you need to purchase them with a small margin;
Lathing for a soft roof is created from a roofing or diffuse film material. It has a positive effect on thermal and waterproofing performance;
With the help of roofing runs, you can not only strengthen the roof, but also increase its stability and reliability;
The use of plywood contributes to the creation of a perfectly flat and smooth surface. Plus, in such a device there are absolutely no cracks and cracks, which has a positive effect on tightness.

Attention! Lathing for a soft roof should be created only from high quality materials and with optimal technical parameters, otherwise you can not dream of a durable and reliable roof.

Types of lathing for soft roofing

The roof lathing for a soft roof is created in order to ensure the fastening of materials to the base of the building surface. Visually, it resembles a frame, as it consists of a series of boards attached to a rafter system. Regarding the type of roof on which it is laid, it has its own characteristics, while there are two main types of battens:

Solid type. Most often, such a crate can be found in a device with soft roofing materials;
sparse type. Is the best option for slate structures, metal tiles and other solid roofing projects.

Most often, the crate under shingles and other soft materials are produced using two-layer technology. First, one continuous level is made, for which a chipboard (chipboard) is used. It is worth noting that they can also lay moisture-resistant plywood. Then lay a sparse layer made of boards.

Attention! Such a device allows you to increase the efficiency of heat and sound insulation in the room.

Installation of lathing under a soft roof

The installation process of the crate is quite simple. To create a high-quality and effective coating, you must follow the following sequence:

We fasten the bars of wood from the bottom up to the load-bearing points of the roof;
We nail the lower purlin behind the eaves with a board;
Then we lay the roofing tape horizontally to the roof ridge. First, we make a strip at the eaves, gradually rising with an overlap to the top. In order to facilitate the gap of the ventilation system, we fix the material between the counter-lattice of the bars and the rafters;
After we fix the first bar to the very edge of the rafters;
We mount the second bar at a distance of about 30-35 cm from the lowest point of the first frame element;
We continue the installation of the bars, maintaining the step of the crate under the soft roof - 37 cm. We attach the last element to the ridge 20 cm with nails;

Attention! All elements of the crate must be mounted in horizontal position. If you meet the requirements regarding the distance to the lower edges of the structure, then you can achieve excellent indicators of strength and reliability.

As you can see, the installation process does not require special skills, but there are many nuances, without adhering to which you can ruin the coating. It is best to find a specialist in your assistants.

Rules for mounting the crate relative to the corner

Before writing this section, we watched a lot of videos and outlined the basic rules that will help you create the perfect roof arrangement. Lathing for a soft roof should be created taking into account such nuances:

For roofs with an angle of less than 10 degrees, it is necessary to make a continuous type crate. For this, it is best to use moisture-resistant plywood;
If the angle varies from 10 to 15 degrees, then the crate is made in increments of 45 mm. To create a device, it is optimal to use timber and waterproof plywood. The structure should be directed parallel to the eaves of the building;
If the angle exceeds 15 degrees, then the step should be increased to 60 cm. To create a structure, a beam with a size of 45 by 50 mm is best suited;
An additional beam should be installed in those places where the valleys and the ridge will be attached.

The best material for the manufacture of lathing under a soft roof should be considered a calibrated board. Thanks to equal thicknesses, an even joint is obtained and a stepped design is avoided. Practical experience proved that such surfaces can last much longer than uneven roofs. It is for this reason that developers buy quality material and try to match the boards as accurately as possible.

Attention! The best wood for these purposes, conifers are considered, which please with both cost and excellent technical characteristics.

Recommendations regarding the load and parameters of the crate

The optimal step when creating a crate for soft roofing materials is considered to be a value not exceeding 10 cm. This norm is caused by certain characteristics of the products. For a continuous layer, a calibrated edged board, which was already mentioned above. Also help to create a perfect flat surface without seams - waterproof plywood and chipboard sheets. It should be borne in mind that this layer must be tightly attached to the boards and have a moisture content not exceeding 20%. When creating a structure, we pay attention that its strength corresponds to the load that will put pressure on it:

Take into account the possible load from snow cover;
Calculate the load that is created from the roofing materials.

Relative to these indicators, the necessary parameters of the crate are determined. Thus, if the laying step is about 50 cm, then a board with a thickness of at least 20 mm should be used, and with a step of 120 cm, at least 30 mm. It is worth noting that one of the features of a soft roof is resistance to biological damage, but this does not apply to the tree from which the crate is knocked down. For this reason, it is recommended to perform special treatment with antiseptics that will protect the structure from fungi.

Features of installing a drip

The dropper is considered an important element in the device of the crate for a soft roof, as it is responsible for protection against the adverse effects of moisture. The bending of the product depends on the angle of the roof, its value varies from 100 to 130 degrees. Attach the dripper to the edge of the roof, vertically directing it down so that the water flows to the ground. Features include the following:

For the manufacture of the dropper, galvanized steel is used, which does not tend to rust;
In order not to spoil the aesthetic appearance of the building, the color of the drip should be matched to the shade of the roof;
To fully protect the roof and facade, you should stretch the drip around the entire perimeter of the building;
The device is able to provide protection against wind currents.

So we got acquainted with all the features of creating crates for buildings with a soft roof. Follow all the tips and tricks, and you will definitely succeed!

Covering soft roof now chooses everything large quantity of people. This is easy enough to explain. The material is inexpensive and installation is not difficult. However, in order for the roof to last for many years, its crate must be properly created. If we take into account that the material has its own characteristics, then a number of rules must be observed during the arrangement. All operations are important and require a responsible attitude to yourself. It is about what should be the roof lathing for a soft roof that we will talk about further.

What is a crate and requirements for it

A crate is a collection of boards and battens that fit into perpendicular to the plane to the rafter legs. It is she who acts as the basis for fixing the roofing. It also enhances the spatial structure of the roof.

Lathing under a soft roof must meet the following requirements:

Have sufficient strength, which corresponds to the mass of the material being laid;
Be reliable in operation;
Perceive sustainably various kinds impact. This mainly concerns atmospheric influences (precipitation, wind);
There should be no protruding nails, cracks of more than 6 mm, sags and bumps;
Must be installed according to accepted standards.

There are several types of crates. For soft materials solid is recommended. Its feature is that when laying it, the step should be more than 1 cm.

Features of working with a soft roof

During the installation of soft tiles, certain conditions must be observed:

It is allowed to cover a soft roof at an ambient temperature of +10°С. The lower layers capable of gluing when heated by the sun's rays will spontaneously stick to the base.
When working during more than low temperatures this layer will not melt. You will have to make additional efforts to warm up the lower layers. In addition, an additional tool is required.
Also, do not start work in wet weather. You can install the cover. However, the crate will quickly begin to rot.

In general, for work with a soft roof best period- summer. AT winter period Better get ready for work. It is quite possible to build a rafter system and calculate the step of the crate for a soft roof.

You can buy all necessary material. It will not become superfluous, especially in the face of constant price increases. However, it needs to create optimal conditions for storage. So, direct Sun rays. Otherwise, the adhesive layer may start to melt. The temperature is not lower than 0°C.

What materials are suitable for the crate?

The following materials are suitable for preparing crates for soft materials:

Calibrated board - width 140 millimeters. Be sure to choose a quality one. Preparation is recommended in advance.
Wooden bar. Dimensions will vary depending on the pitch truss system and crates.
Diffusion or roofing film. Improves waterproofing heat-shielding properties.
Roof runs. Strengthen the entire structure, making it more stable and reliable.
Moisture resistant plywood or OSB. It is used for arranging the most even surface. The plane is obtained without cracks and dips.

Pay attention! When choosing a material, it is necessary to focus only on the maximum quality. They must meet all quality standards. Otherwise, the durability of the roof remains in doubt.

What crate is suitable?

Dealt with the materials. Now consider the types of crates. They are solid and sparse.

When a sparse one is created, then the boards on the rafter legs are placed not with a continuous coating, but with a fixed step. Averaged 20-50 cm. Such a design cannot be used in conjunction with bituminous coatings. They are soft and will sag.

For quality installation soft blood, you need to make a continuous crate. It looks like solid flooring. Calibrated boards, plywood or OSB are used. It is allowed to leave a minimum gap, up to 10 mm.

Types of solid battens

Under modern soft roofing materials be sure to equip a solid base. This is clear. However, the crate for a soft roof can be made of several layers. There are two types of solid bases:

1. Single layer- all elements are mounted in a parallel plane to the ridge. Laid immediately on the rafters. Material - boards, plywood, OSB. This design is not often used, most often for the installation of roofing material.

2. Double- combine two layers. Occasionally used even various materials. The first layer is the working part, a lathing of a sparse type. Made up of boards. After it, the second layer is laid. It is already complete. Plywood, boards or OSB are used. This design makes it possible to create ventilation between the flooring and place insulation material between the rafter legs. The preferred choice for today's soft materials.

Manufacturing technology of a single-layer continuous crate

It is mounted directly on the rafters, without the use of additional elements. Will fit in inexpensive construction, for example, for laying roofing material. Thermal insulation is not provided.

Board use

A grooved board will do. Unedged will not fit. This is due to the resulting surface drops. affects the final result.

The variant is the simplest. It is made by attaching boards perpendicular to the rafter legs.

However, there are certain requirements for boards:

No knots. Maximum equal.
Width from 100 to 140 millimeters. Thickness of 20-37 millimeters. Everything will depend on the step of the truss system used.
Humidity should not exceed 20%. This is explained by the fact that wet wood will dry out. This will cause the fasteners to fall out. In addition, when in contact with a wet surface bituminous materials reduce their service life.
Must be treated with an antiseptic. The appearance of rot and various insects should be prevented.

When working, the boards are fixed to the rafters across, in a parallel plane to the ridge. Laying is done from the bottom up. It all starts with the roof overhang. Docking points are placed on the rafters. Boards are fastened closer to the edge, the caps are recessed. Between adjacent boards in height, you need to leave a small gap, in the region of 3 millimeters. It will be required for thermal expansion. Resizing will occur within this gap.

Panel assembly

Boards can be replaced with one of the sheet materials - plywood or OSB. They are distinguished by a significant level of moisture resistance and flexibility. Long service life.

Such materials speed up the entire process of building the crate. As a result, it turns out smooth surface for laying soft materials.

However, they have their own requirements:

Increased level of moisture resistance. Not all representatives have this quality. For roofing, OSB-3 or FSF plywood is the most suitable.
Thickness from 9 to 27 millimeters. Everything is again repelled by the step of the truss system.
Antiseptic treatment. Processing from rotting and fungus is required.

Sheets are placed immediately on the rafters in length parallel to the ridge. The joints must not match. That is, they fit into the run.

A gap of 2 mm should be provided. When laying on cool days, the gap increases to 3 mm.

For fastening, self-tapping screws or special solved nails are used. In increments of 30 cm, in the area of \u200b\u200bthe ends 15 cm. Edges - 10 cm.

Technology of installation of a double continuous crate

It can be represented as a two-tier structure. The first is boards fixed in a run. The second is a solid platform made of plywood, OSB or boards. It is the most effective when compared with a single layer. Therefore, it is most often used during the laying of modern soft roofing materials.

Assembling a double crate from boards

The basis for laying a soft roof is allowed to use only a board. They are used to fasten both layers.

In the first row, use boards with a thickness of 25 mm and a width of 100 to 150 mm. It is allowed to replace it with a bar 50x50 and 30x70.
The second layer is formed from boards 20-25 mm thick and 50 to 70 mm wide.
Be sure to use an antiseptic.

The installation process takes place in the following order:

1. In a parallel plane to the ridge, boards are fixed with an interval of 200 to 300 mm. The main thing is to exclude the possibility of deflection of boards from level 2.

2. A board of 2 rows is punched over them at an angle of 45 degrees. A gap of 2-3 mm is also left. Work comes from the ridge to the eaves.

This design is usually prepared for roofing material. In case of modern materials a combined method is desirable.

Making a combined double crate

In this design, a combination of materials is used. In the first layer, a board or timber, the second - plywood or OSB.

According to tradition, it is collected in this way. A board or beam is laid perpendicular to the rafters, in a run. Top plywood or OSB. This method is usually used when creating a cold attic. There is no insulation or waterproofing.

If it is necessary to conduct insulation, then another option must be used. It is somewhat more difficult. Parallel to the rafters, the beam of the counter-lattice is laid. Above, already perpendicular to them, the boards of the first level. The roofing pie ends with sheet material. The method differs from the past by the presence of a counter-lattice. Due to it, a gap for ventilation is provided between the shield flooring and the vapor barrier.

The following requirements apply to materials:

A beam for creating a counter-lattice - 25x30 or 50x50 mm.
Board 2 layers - 25 millimeters thick, and width from 100 to 140 millimeters.
sheet material- 9-12 mm.
Antiseptic treatment.

Sequence of work:

1. If there is a layer of thermal insulation and waterproofing, a row of counter battens is formed. The section is shown above. They are fixed over the rafters, along. This row is necessary not only to create a gap for ventilation, but also to fix the vapor barrier film laid on the insulation. If you break everything down into steps, it will look like this. First, it is laid between the rafters thermal insulation material. A vapor barrier film is covered from above, nailed to the beam of the counter-lattice. In the absence of thermal insulation, you can immediately begin to arrange the crate in a run.

2. The boards are laid on the beam of the counter-lattice or immediately on the rafters. Across. Laying step from 200 to 300 millimeters.

3. Sheet material is placed in parallel. long side across the rafters. Mandatory expansion joint up to 3 mm. Fastening is carried out to each rafter leg with an interval of 30 cm. Joints should be placed on supports. Joints are fastened with a gap of 15 cm.

Summing up, we can say that it is not advisable to build a crate for a soft roof on your own. It is better to turn to specialists who know all the subtleties. Otherwise, you can get a lot of problems with the roof.

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