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What is better and cheaper to make an extension. Extension to the house: the choice of premises and materials for construction. Extension on frame-beam technology

When for some reason it becomes necessary to increase the living space country house, then the simplest and at the same time economical way to do this is the construction of a frame extension to the house. Its main advantage lies in the fact that it can be erected on its own in the shortest possible time and no serious carpentry tool skills are required.

In order for the building to turn out not only useful, but also beautiful, it is better to familiarize yourself in advance with how it should be built.

Appointment of the extension

In order to avoid the transformation of the extension in the future, it is advisable to carefully consider all the details of the structure being built even during planning. First of all, it is important to decide what is the purpose of the do-it-yourself extension to the house.

The first and most common option is an additional room. In fact, building another room according to the scheme will be similar to building a house with a small area. The main thing is not to forget each of the structures of the new building should be properly insulated so that the heating of the room is effective and in the future it is simply to avoid heat loss.

This is not the moment on which you can save, as well as on the insulation of the foundation and the implementation of waterproofing, because otherwise mold will form on the walls and dampness will make it simply impossible even for a short stay in the room.

The second option is a bathroom or kitchen room. After looking at the photo of the extension to the house, you probably already understood that in this case the main thing is to bring all the necessary engineering communications in advance before starting the construction of the foundation.

It is also necessary to insulate well the places where sewer and water pipes through the foundation. Important point: in order to save Money, it is better to carry out all the work during construction.

Another popular option for an extension is a veranda. She may be open type or glazed. Most often used for recreation in the summer. Due to the fact that usually the building is not additionally heated, the structure is quite easy in terms of construction.

All that is needed is a roof on supports, as well as flooring with walls. During the construction of the veranda important point lies in the fact that it must necessarily be combined in size, materials used for construction and style with the house.

What material to choose for the walls of the annex?

Thinking about how to make an extension, first of all, you need to consider what materials will be used for the walls. With panel or frame technology, as a rule, it is a sandwich:

• Wind protection, that is, an external waterproofing film
• Rock wool or Styrofoam sandwiched between OSB sheets
• Vapor barrier membrane for internal protection

If you are interested in expensive methods, then you can masonry from any lightweight blocks. It can be foam or aerated concrete. When purchasing foam concrete blocks, the developer without any construction practice, it is worth considering that this material has its own characteristics:

Firstly, in almost 90% of cases, even the walls made to date, from the most expensive foam concrete, will be covered in the future big amount small cracks.

Secondly, all facades will need to be plastered with pre-selected compositions directly on the grid.

When choosing walls from various foamed concretes, it is worth paying attention to the fact that for any roofing materials, such as ceramic / slate tiles, all of them are not strong enough. For this reason perfect option to shelter the building - this is corrugated board or ondulin.

Extension made of high quality SIP panels

To date, one of the most budget options self construction is an extension to the house, made of popular SIP panels, which have standard sizes. During construction, a number of nuances should be taken into account.

All screw piles with a wooden grillage, that is, the timber is always fixed in the heads specially designated for this with the help of large nails.

It is provided that all communications must be necessarily removed inside the panels, that is, wiring engineering systems here is a hidden type.

Due to the fact that the roof lathing and ceilings are made of the same material, an equal resource is provided for all load-bearing structures.

There are no cold bridges, which guarantees the rational location of the entire thermal circuit in the future extension.

Because the given material is, according to the description, self-supporting and structural, the beam, which is used to perform their mandatory joining, does not serve as the power frame of the house. It will be possible to achieve strength and absolute rigidity of the completed structure only after the installation of the last of the panels.

In conclusion, it is worth noting that extensions consisting of several floors are rare, so makeshift scaffolding consumes, as a rule, the minimum amount of lumber.

And in conclusion, an important point: it is better to legitimize the extension to your house in advance in order to avoid unwanted dismantling in the future if the decision of the relevant authorities suddenly turns out to be not positive.

Photo of an extension to the house

Such projects are used to increase living space, improve the appearance and expand the basic functionality of the building. At the same time, it is extremely important to study carefully what a quality extension to wooden house. Projects should be designed taking into account the complexity of their implementation. To do this, you will have to familiarize yourself with the features of building technologies. With the help of this article, making the right decision will be much easier. Go!

Read in the article

Extension to the house: options, photos of successful projects, formulation of general requirements

This photo clearly explains the conventionality of the name. A large extension to a wooden house can significantly improve the original technical and aesthetic characteristics. The main thing is that there are enough sizes for large-scale plans. Of course, we must not forget about the financial and time components of the project.

It should be remembered! The construction of such structures is best completed in one warm season. Otherwise, there will be additional costs for winter conservation. Accurate planning will help save money in several stages. In particular, bulk purchases of the necessary basic and finishing materials will be useful.

To build an extension to your own hands, you need to realistically assess your own strengths. The most complex work operations can be entrusted to specialized specialists. But even in this case, your own knowledge will be useful for careful control of the performers.

For your information! It is better to hire highly qualified professionals. Slave labor was abolished, among other reasons, due to insufficient efficiency. The involvement of relatives and other dubious assistants may be supplemented by unforeseen additional costs of materials, time and money.

In any case, the target task should be correctly formulated in order to accurately create a set of design documentation. The projects of extensions to the house discussed below will help you make the right decision. In a detailed study, pay attention to the important nuances for yourself. Remember that these examples can be used in various combinations to successfully meet individual needs.

A universal solution to various problems with the extension of a veranda to a wooden house

How to make an extension of the garage to the house: features of technical premises

Appropriate layers are best placed outside. This prevents the dew point from moving towards the room, prevents moisture from penetrating into the walls. In such places it is better to use foamed polymer plates, which do not need to be additionally protected from water.

The following table provides data that will help you make the correct calculation, taking into account the temperature conditions in a particular region:

Wall thickness, cm	Weight 1 sq.m. structures, kg	Consumption of materials based on 1 sq. m. walls			Permissible outside air temperature, °C	Notes
		Brick, piece	Masonry mortar, l	Plaster building mixture, l
Clay brick (silicate and ordinary) with a bulk density of 1900 kg per 1 m 3
25	480	102	65	25	-3
51	950	204	127	25	-20
770	1410	308	193	25	-40
42	720	152	85	50	-20
55	950	204	117	50	-33
68	1190	256	150	50	-40
Brick multi-hole (effective) with a bulk density of 1300 kg per 1 m3.
25	350	103	50	25	-7	Solid masonry, interior plastering, exterior grouting
38	520	154	76	25	-21
64	860	259	128	25	-48
42	530	154	66	50	-30	Air gap, external and internal plaster
68	870	259	118	50	-55

Use this information when choosing materials. The final cost of the project depends on many factors. Sometimes it is more profitable to make a large initial investment, but reduce operating costs.

Such solutions are used for high level groundwater and on soft soils, if significant loads are expected. A rigid connection with the main foundation is not made.

The video below shows how to pour the foundation for an extension to the house:

Similar materials are not difficult to find when choosing a different technology.

How to make an extension roof without mistakes

In this case, the supports of the additional part of the structure perform the main load-bearing functions. This example shows a slight angle of inclination of the slopes. This means that in winter you will have to take into account the significant weight of the snow cover. Appropriate loads must be taken into account when calculating the truss structure, during the selection of materials for the surface.

Important! The above examples can be applied in practice if a rigid connection of the foundations is provided. Otherwise, the roof of the extension to the wooden house is made independent of the main structure.

Do-it-yourself construction of an extension to the house: step-by-step instructions with important notes

, waterproofing layer. Mineral wool mats are inserted into the cells of the walls, covered with foil. Outside fasten vinyl siding. Inside - lining. Install window and door blocks. Finishing decorative trim perform at their own discretion.

Photo	How to attach an extension to the house. Main stages of work with comments
	The basis of the project an old house With slate roof. The entrance part consisted of a "waiting room", which had dubious aesthetic and insufficient insulating characteristics.
	After inspecting the object, it was decided to build an extension to the wooden house using frame technology. For this lightweight one-story structure, the load capacity of the strip foundation is enough.
	In accordance with the plan, they dig a trench, install it from boards. In the upper part, transverse jumpers (1) are installed to maintain the integrity of the structure after pouring
	Installed inside (diameter 8-12 mm). To fasten the rods, you can use wire, or special plastic clamps.
	After pouring building mix protruding parts (M12) should remain on the surface. They are useful for a rigid connection with the walls of an extension to a wooden house.
		After the mixture has completely solidified, the formwork is carefully removed. Exact time depends on external temperature conditions, percentage ratio and parameters of the components.
	Please note that at the stage of preparation for pouring, special pipes are installed for subsequent laying electrical cables, plumbing, other engineering networks. In this project, holes were made in all the walls of the foundation for the space under the wooden floor.
	Not only the contour is concreted, but also separate sites for the installation of supports, a fireplace, and other heavy equipment. Apply a similar technology with reinforcement.
	Support boards are installed through a layer of roofing material on a strip foundation. Their reliable fixation is provided by anchors. Next - mount the ribs of the transverse lags.
plywood	The frame of the walls is successively installed. Temporary supports are used to maintain the vertical position of these elements.
	Here, the walls are installed on all sides, which creates a closed loop of a full-fledged living space.
	The next step is to install roof structure. The photo shows that the author delayed the implementation of the project, so the installation had to be postponed for the winter. IN this case we are talking only about unfavorable conditions for performing work operations. "Wet" technological processes were completed on time, in the warm season.

Here it is told about how to make an extension to the house using frame structure. When using other technologies, the appropriate instructions must be used. Do not forget to make the necessary changes when increasing the loads on the foundation.

The choice of the construction team and the secrets of strict control

For a better orientation in this segment of the service market, below are extensions to a wooden house with prices and general characteristics:

Name	Width x Depth, cm	Main material	price, rub.	Notes
	600x600	Beam, 150x50 mm	250000- 285000	The kit includes the installation of a foundation of blocks, treatment with an antiseptic.
Terrace	600x300	Beam, 150x50 mm, lining	140000-175000	Windows, doors, roof installation must be paid separately.
Two-story frame extension	600x600	Timber 100x50 and 150x50, lining, blockhouse.	580000-620000	The replacement of window and door blocks, filing of the external part of the roof, up to the standards of the dwelling, are paid separately.

If you are offered to build an extension to the house inexpensively, check carefully the list of materials and work. To check, use your own list of mandatory activities, which can be compiled based on the materials in this article. Specify the cost of delivery, installation, finishing, garbage disposal. This approach will eliminate unpleasant surprises. You need to study the text of the contract in advance. If you have any questions, please consult with an experienced lawyer.

Successful examples of extensions to the house: verandas and terraces, photos and comments

This photo of an extension to a house demonstrates the benefits of glazing. Regardless of the weather, you can admire the surrounding space in comfortable conditions

A thorough overall analysis of the situation will help you make the right decision. Eliminate errors based on the incorrect statement "Money is everything!". The real benefits are received by the person who makes his “little gray cells” work.

Even in the absence of funding problems, thematic knowledge will be useful. They will help:

• choose the right project;
• formulate terms of reference;
• find the best basic and finishing materials;
• supervise work;
• justify the need to correct deficiencies.

The information in this article will be useful for performing individual operations or the entire project on your own. Within the framework of one publication, it is impossible to foresee all the problems that are encountered in practice. Ask additional questions in the comments. Communicate with like-minded people, experienced craftsmen and authors of implemented ideas. This will simplify the construction of a high-quality extension to a wooden house.

When, for various reasons, it becomes necessary to expand the living space of a private house, the most economical and technologically simplest option is a frame extension. Its advantage is the speed of construction with your own hands with a minimum skill in working with a carpentry tool. Step-by-step instructions for the construction stages with photos will help you make a useful and beautiful extension as in the video, which will last for many years.

Appointment of the extension

So that the extension does not subsequently have to be transformed, even at the planning stage, you should consider the nuances of the design. To get started, decide on intended purpose new premises.

1. Additional room. The construction of an additional room is tantamount to building a house with a small area. All structures of the new building must be thoroughly insulated, otherwise the heating of such a room will be inefficient due to the large heat loss. You should not save on waterproofing, otherwise dampness and mold on the walls will make it impossible to live in such a room.
2. Kitchen or bathroom. Take care of the engineering communications before you start building the foundation. Places where water pipes pass or sewer pipes through the foundation must be well insulated. This is easier and cheaper to do at the construction stage.
3. The veranda is light extension to the house of open or glazed type. Used for summer holidays. The building is not heated, so the design is extremely simple: flooring, walls and roof on supports. Do not forget about harmony, the veranda should be combined with the house in terms of scale, style and construction materials.

We select the base

The veranda can be attached or built-in. If the second one is planned at the stage of building a house, then for the first one you will need to build a separate foundation. With a gap from the wall of about 40 mm. Otherwise, during shrinkage, the monolithic base will collapse due to the different weights of the veranda and the house. The seismicity of the soil and the weight of the future building are taken into account. A lightweight foundation erected on soil prone to heaving will “lead”, and the extension will move away from the house. Such a base is designed for light walls; shrinkage is inevitable under the weight of brickwork.

For construction use different materials: concrete, brick, stone, piles of wood, metal or concrete. It is important to choose the right depth and type of foundation for the extension:

• tape;
• slab;
• columnar;
• pile;
• pile-grillage.

In private construction, when erecting a base for a veranda, a columnar or tape structure is most often used. Let us consider in more detail the step-by-step instructions for arranging the foundations.

Strip foundation

For large and heavy buildings, a tape type of foundation is chosen. It is advisable to perform it from concrete in this sequence.

Important. Before erecting walls on the foundation, it is necessary to apply waterproofing. Use roll materials or mastic.

Column Foundation

For light frame veranda it is appropriate to erect a columnar base, which is built of brick, rubble stone or concrete. Or a combination of these materials. Pits under the pillars are dug to a depth below the freezing of the soil. The step between the posts is about 60 cm. The sequence of work:

• dig square holes 50 x 50 cm. Sand is poured into the bottom and carefully compacted;
• lay a layer concrete mortar, and after complete setting, they begin to erect brick supports. Use the level so that the masonry is strictly vertical;
• concrete support is made similarly to the tape type of foundation: wrapped inner part formwork waterproofing and insert a reinforced frame. The form is filled with concrete, and the top is leveled. Wet concrete a couple of times a day to avoid cracking;

• after complete drying, the formwork is removed, waterproofing is applied to the pole, covered with several layers of roofing material on top - the material will protect wooden beam floors from getting wet;
• the remaining voids are filled with backfill: soil mixed with crushed stone is poured, its ramming is carried out every 15 cm of the layer.

Important. The height of the foundation pillars is calculated so that the distance to the finishing floor of the extension is 30 cm.

Floor: wood or concrete

A concrete or wooden floor is arranged on a tape type foundation. The base on the pillars is obviously calculated for arranging a wooden floor. Let's take a look at both technologies.

Construction of the frame and walls

Wall structures are erected from timber, fastened to previously assembled crown beams of the strapping. Wall elements are assembled on a flat area in horizontal position, and then the finished wall shield is mounted in vertical position or each beam is connected to the beam in series. Step-by-step instruction:

• On the lower strapping bars, every 50 cm, make a cut for vertical racks.
• Mount the racks, fixing the corners and screws.
• Assemble the top harness.

• The veranda is connected to the house by attaching a vertical bar to the wall.
• Fix all racks adjacent to the house with anchor bolts.
• It is better to immediately sheathe the finished "skeleton" of the veranda from the outside with plywood, boards or OSB. This will give the structure rigidity.
• After erecting and insulating the roof, insert windows and doors.

Covering and roofing

Shed type of roof is combined with almost any roof of the house, therefore it is the most common configuration. Let's consider it.

Wall and floor insulation

Used as an insulating material for walls mineral wool. The mats are easily and quickly laid between the frame bars, as can be seen in the photo. When laying insulation in several layers, the mats are shifted relative to each other in order to exclude heat loss through the connecting seams. The insulation is closed on both sides with a vapor and wind insulating material that will protect the material from moisture accumulation, and sheathed on top finishing material. Internal walls can be sheathed with chipboard, drywall and covered with wallpaper or lined with clapboard. For outer wall use wood, siding, or materials that match the finish of the home.

The wall cake towards the outer wall looks like this:

• internal lining;
• vapor barrier;
• insulation material;

• wind insulation;
• outer lining.

Gender on wooden joists they are insulated similarly to walls: mineral wool is laid on the subfloor between the lags, having previously covered the boards with a waterproofing membrane. A second layer of waterproofing is laid on top of the insulation, and then leveled with plywood. After that, a fine floor covering is mounted.

A concrete floor can be insulated in the same way as a wooden floor, dry screed can be applied, a concrete screed can be made and water or electric heating can be installed.

Home craftsmen often overlook the need to comply with safety regulations. Use funds personal protection and a well-functioning reliable tool, and then from the construction of the extension you will have only the warmest memories.

Frame extension on piles: video

Frame extension to the house: photo

A country house for many of our compatriots is a place not only for seasonal, but also for year-round living.

If the cottage is used for housing throughout the year, then over time people have a desire to expand free space by adding additional home square meters area. An extension to the house with your own hands is done quickly enough - for this you need to have a project and comply with all prescribed technologies. This is a great alternative to building a new home or expanding space in other ways.

Several types of extensions can be distinguished at once country house, which are built most often: a garage, a living room, a kitchen, a terrace, a veranda, a lounge, a nursery. For the construction of an extension, a variety of materials can be used - everything will depend on the conditions of the work, the soil, functional purpose premises under construction and many other factors. At the same time, it is strongly recommended that before starting work, take care of developing a project for the future structure. The project can be done independently, if you have experience in this area, or you can hire specialists for this work.

Is a foundation needed?

The foundation is necessary in almost all cases when it is planned to make an extension to the country house. The exception is very light structures like canopies and their varieties, which can be supported on several external supports. Construction of extensions to country houses carried out using a columnar, screw, tape or monolithic foundation. The choice of one or another type of foundation will depend on several factors: soil conditions, material for the construction of the structure, the level of the total load on the foundation and other specific features.

In most cases, for extensions, a traditional strip foundation or shallow strip foundation is chosen.

It is well suited for any type of structure and perfectly connects with an existing base. country house. Work on its device is carried out in next sequence:

1. The first step is marking the area at the construction site.
2. Then performed excavation: a foundation pit is dug, its walls are strengthened, trenches are made for pouring cement mortar, wooden or plastic formwork is exposed. If an extension to country house it is supposed to be made one-story, then a strip foundation 30-40 cm wide with a depth of 40-50 cm is quite enough.
3. It is also mandatory to reinforce the foundation with the help of a reinforcing network. Reinforcing structures for reinforcing foundations can be made with your own hands, or you can buy ready-made ones in a specialized store.
4. In addition, it is necessary to preparatory work by connection and country house. For this in concrete base country house holes are drilled with a certain pitch, the diameter of which should be slightly larger than the reinforcing bars. After that, reinforcement is inserted into the holes, which is fastened metal frame extension foundation.
5. Specialists for strip foundations recommend choosing cement grade M400 and higher. It must be prepared in accordance with the instructions, and then fill the previously prepared trenches with it.

It must be remembered that the cement mortar takes several weeks to set and gain the necessary strength characteristics.

At this time, it is forbidden to carry out any construction work that affects the hardening solution. If construction is carried out in the hot season in dry weather, then during the hardening process, the cement mortar must be periodically watered so that cracks do not form on it.

Extension walls

The walls of an extension for a country house can be made of a variety of materials. To solve this problem, the following are usually used: a wooden frame made of bars, timber, foam concrete blocks, bricks and other building materials. The choice of a particular material for the construction of an extension will depend on several factors and the financial capabilities of the owners.

With your own hands, the extension walls will be easier to build on the basis of a frame, from a bar or foam concrete blocks.

Frame extension.

Construction in this case does not require special skills and knowledge, unlike the construction of brickwork. In addition, these types of materials have a lot of advantages over traditional bricks:

• Relatively low price;
• High level of environmental friendliness of materials;
• Light weight, so there is no need for a powerful and expensive foundation of great thickness;
• In the case of a wooden frame - the possibility of laying any heat-insulating materials in the free space between the structural elements;
• There is no need to insulate foam concrete blocks at all, because they retain heat well inside the house even in the most severe frosts.

When building walls, you should also not forget about the waterproofing of the structure.

Hydro insulating materials must be laid at the junction of the walls with the foundation, as well as in the area of ​​​​contact with the roofing material. As a waterproofing agent for outbuildings, you can choose traditional rolled insulating materials such as roofing felt or roofing felts, additionally processed bituminous mastic. In addition, if the construction of an extension in the country is carried out from foam concrete blocks, then they are also recommended to be additionally reinforced. Reinforcing bars in this case must be laid in 1-2 rows.

Block extension.

In addition, when using a wooden frame or foam concrete blocks, it is imperative to carry out the upper and lower trim of the structure. To do this, a wooden formwork is installed, a smaller reinforcement network is laid and all this is poured cement mortar. Naturally, the strapping also needs several weeks to completely solidify and gain strength.

Brick outbuilding.

Building a brick extension is a time-consuming and costly task. It is very difficult to build such a structure with your own hands, therefore, qualified specialists are usually invited to solve this problem. IN last years the construction of small brick structures is practically not practiced, because other materials can be used for this, which have the best workers and performance characteristics and also cost a lot less.

Roof device

Experts advise covering the roof of the extension in the country with the same material that was used to finish the roof of the main house.

The best option - full compatibility roofing material outbuildings and cottages.

A variety of materials can be used as roofing material: roofing material, slate, ondulin, metal tile.

When using a slate roof, the installation of the roof includes three main stages: installation of a wooden frame, laying a waterproofing and vapor barrier layer, and installing slate sheets. wooden frame can be made from ordinary bars, which are recommended to be attached to the wall of the country house (if this is problematic, then the attachment can also be made to the walls of the extension). It must be understood that slate materials are not highly resistant to negative impacts, therefore, the installation of waterproofing and vapor barrier is a must.

The slate roof in the country house is mounted in rows coming from the bottom up. The initial sheets are attached only to the lower roofing nails, and the second sheet in the first row is mounted with an overlap. In this sequence, laying is carried out to the end of the roof. If necessary, slate cutting is carried out by a grinder.

Outbuildings and outbuildings

It is very difficult to manage in the country without outbuildings and buildings, and to be more precise, it is simply impossible. It is worth familiarizing yourself with some examples of summer cottage creativity.

Usually wooden extensions brick houses are made in order to save money - wood is cheaper. But sometimes, after a while, the owners come to the conclusion that the choice of material was made correctly due to unique properties, ecological purity and attractive appearance.

The purpose of new objects can be anything - from a bathhouse to a garage. But in order for both buildings to function fully, it is necessary to analyze the nuances of construction, which have serious reservations due to the different structure of materials.

Conditions for the construction of an extension to a brick house

Mandatory design features combinations of two completely different textures are as follows:

1. The movable joint is a deformation-compensating seam. Thanks to him, an extension made of timber to brick house will remain free of cracks or other defects during shrinkage and operation. A dead fit does not provide strength, but can only increase the load on the load-bearing parts.
2. Ensuring the protection of the ends of the wood from condensate formed when two structures of different temperature come into contact. Moisture should not touch the inside of the timber, otherwise damage of a biological nature cannot be avoided. In addition, you should pay attention to the quality of the material before buying - there should be no visible defects.

Failure to comply with these two conditions casts doubt on the expediency of operating the finished facility. An annex built without the indicated recommendations does not bring warmth or strength.

Budget savings due to frame technology

It is not difficult to choose material for an extension to the house. Usually, the owners proceed from their own financial capabilities. A frame extension to a brick house will help to reduce the cost of the construction process.

In addition to the reasonable price of the material, the speed of construction increases due to the peculiarities of the technology as a whole - the interlocks and the width of the panels allow you to make a small box in a week. In addition to a deaf extension, not subject to natural precipitation, you can consider, as an option, a veranda - closed or in the form of a gazebo. It is clear that the construction of such facilities is cheaper than a full-fledged area for living.

Stages of building an extension to the brick walls of the house

Having decided on the purpose of the additional premises and designating it with drawings and projects, an extension to a brick house made of timber should be fixed with a documented decision - be sure to apply for this at the place of registration at the BTI. This action is necessary, since when checking and evaluating the object in relation to other buildings, the absence of permits will be regarded as a violation of the law and the extension will be subject to demolition. Next, instructions for different kind construction - blind timber and frame.

Closed annex for residential purposes. Peculiarities:

• Based on the weight and architecture of the future structure, choose the foundation. As a rule, this is a shallow tape or piles. A monolith is more reliable, but for such an object as an extension of a veranda to a brick house closed type this is impractical - the price of the grillage is much cheaper and the ability of condensate to interact with wood is reduced.
• It is worth positioning the future room to that wall of the house where there is a door or window hole- the need to break ready bearing walls decreases or disappears, in general, if a message is provided between the objects. In this case, you just need to expand the existing passage.
• The brick wall must be isolated from the wood by stuffing the crate, inserting insulation and vapor barrier. This reliable way save the beam. Joints between objects are filled mounting foam or liquid polyurethane. This provides an expansion joint.
• The best version of the roof of this type of extension is a continuation of the main cover. Thus, the load on finished objects will decrease and appearance ennobled - the two buildings will look like a single whole.

Optionally, after construction, the timber is lined, if a simple one was used, or coated with varnish compositions that have protective functions against biological hazard and fire.

Open veranda, gazebo, sauna, garage. Peculiarities

Often, life situations require the construction of vital structures - parking for personal vehicles or a Russian healing bathhouse. These two objects, completely different in purpose, must be built with all strict conditions.

The premises are distinguished by aggressive environments - chemical components in the first case and humidity in the second. Therefore, the following nuances will be required:

• Good drainage system. Bath and garage require water communications. Lack of ventilation after operation and stagnant moisture will cause mold, rot. The destruction of the building is ensured after two years of existence.
• Good insulation and waterproofing. Objects of this purpose require comfortable temperature. In the case of a bath, waterproofing from the main house is an important point. Freezing walls due to poor waterproofing does not carry anything good.
• The right choice of foundation. By arranging a solid platform, you run the risk of making the floor poorly ventilated. A columnar or pile foundation for this type of extension is the best option.

For the device of the veranda, a well-made frame is sufficient. On such an area it is good to spend summer evenings. The gaps are filled with carved elements, which with brickwork looks great side by side.

It is possible to arrange a double-use veranda. To do this, use sip panels for the winter and take them out for warm periods. Lock connections tenon-groove allow you to make the design multifunctional.