Protection of log walls outside from damage by rain, sun rays, wind and frost is done in various ways. The most environmentally friendly is wood cladding of the facade of the house. The overlapping arrangement of the boards creates a barrier to air flows. Water flows down the protruding surface without getting inside the sheathing and the wall. Planking is expensive. Its advantages are in the naturalness of the material, a comfortable environment inside the house, and the unique beauty of natural material.

House cladding to protect the load-bearing wall

Overlapped house

It was necessary to sheathe a wooden cottage. It was Vadik's turn to help me. We worked with him under his questions and my stories. My friend is not just a scientist, but a curious mathematician who wants to learn how to do everything with his own hands. We were preparing a wooden house outside for finishing, and I told you where the overlapping wall cladding came from.

When developing new lands, first America, then Australia, ships often crashed on reefs near unfamiliar shores. The settlers decorated their houses outside and inside with wooden sheathing from the sides. They used samples at opposite corners of the board and laid them with a start, herringbone. The edge protruded outward above the lower bar. The water did not run down the wall to the very plinth, but dripped down from each plank. The interior paneling and wall remained dry.

Depending on the climate of the area inhabited by the settlers, the cladding outside the walls with an overlap with a ship's board, protected housing from various natural factors:

• strong wind;
• scorching sun;
• frost;
• rains;
• heat.

Over time, planks and planks have become popular. People appreciated not only the practicality, but also the beauty of the wooden facade. The most expensive cladding on the outside is easier and cheaper to change than to restore walls.

Types of wood used for overlapping sheathing

We sheathe the walls of the house ourselves

While we were cleaning the surface of the walls from dirt, I was telling a friend which types of wood are best for cladding outside.

1. According to its characteristics, the larch finish is in the lead. The wood is resistant to moisture. The degree of warpage is lower than that of other rocks. Easy to handle and holds nails.
2. Spruce has a natural resin impregnation and characteristics slightly lower than larch. Numerous knots give a distinctive decorative look. Over time, cracks appear around them. Therefore, decorating a house outside with a spruce board is rare.
3. The pine is strongly warped and quickly deteriorates. Not applicable for outside cladding.
4. Hardwoods look beautiful and durable. It is difficult to handle. Can crack if nails are driven in. The disadvantages include the high cost of the material.

The outside of the house can be finished with a board with varying degrees of processing:

• obapol slab represents the cut edge of a log with an oval surface;
• the removed top and raw edges at the boardwalk;
• unedged board has rounded raw ends on one side;
• the corner and part of the butt end remains untreated on the cut with a log;
• a clean-edged board is fully processed and has the same dimensions along its entire length;
• grooved with grooves of various shapes cut along the entire length.

Overlap boarding is done with all types of the listed materials. Untreated ones are laid with oval surfaces outward and overlapped by the upper ones. Only processed strips are joined along the length. The rest are overlapped by 150 mm.

To give the walls a decorative look in ethnic and retro style, veneer can be applied over the board. Then the house looks old and fragile. Over time, thin strips of wood deform and fluff like frills.

Facade preparation and waterproofing

Overlapping board finish

We spent several days preparing at home. Decorating the outside with a board requires protecting the walls from dampness. The logs were impregnated with a fire retardant, antistatic agent and three layers of water repellent. Applied with brushes and rubbed well. All this slightly impairs the vapor permeability of the tree. But it protects the walls from fungus and makes them more resistant to moisture and even fire.

I checked the waterproofing of the plinth at the same time. On the stone of the foundation, moisture from the soil rises to the walls and higher. Sheets of roofing material lay intact, protruding several millimeters beyond the plane of the wall. The blind area around the house was made after, when the walls and basement were finished.

House cladding with insulation

Sheathing the house with an overlapping board with an overlapping board

The sheathing can be attached directly to the logs with nails 80 - 100 mm long. For insulation, a crate is made of wooden beams. Insulation is placed between the vertical posts, and it is closed with waterproofing. A plank finish is mounted to the timber protruding above the mineral wool.

A film is selected for waterproofing. Then holes are made in it near the ventilation racks. You can use a special fabric that is breathable and water repellent.

Facade decoration in our execution

Do-it-yourself overlap board

The walls of the house were warm enough. The overlapping board provided additional thermal insulation. Therefore, Vadik and I, after treating the walls from the outside with all protective compounds, waited until they were completely dry. Then we did the following work.

1. Along the entire perimeter, the marking of vertical lines;
2. Wooden strips were screwed on them with self-tapping screws.
3. Nailed on top of the basement ebb.
4. Above it, a beam was laid with sides equal to the thickness of the sheathing board. It will ensure an even slope of the cladding strips.
5. Nails were hammered into the boards from the bottom and top from vertical racks. 2 cm receded from the side end.

We started from the bottom row and from the corner began to move to the right and up. Having completed the cladding, we installed additional protective elements in the corners of the house. The casing was placed on the window and door openings during the construction of the walls. We just need to adjust the size of the board so that it fits snugly with its end to the frame.

Having completed the finishing, we went around the entire perimeter of the house, and sealed all the cracks and joints with sealant. I chose the color of the wood in the store.

We took up our brushes again. We covered the overlapping boards on the wall with antiseptic. Then for decorativeness with a glazing composition. He gave the wood a golden chocolate hue and emphasized the natural grain of the wood.

Overlapping boards can be painted, varnished, waxed. This gives the finish a unique look. It all depends on your taste and the board used for cladding.

Overlap siding

DIY home decoration

A quick and budget way to simulate overlapping boarding is to install plastic and metal siding under a tree. You can make a crate from a metal profile and attach acrylic or vinyl panels to it. It is possible to distinguish a “fake” only at close range.

Ventilated facades last up to 20 years. Virtually maintenance-free. But this is not a tree with its warmth and originality.

When decorating a frame house with wood, we use a ventilation gap between the wall of the house sheathed with MDVP boards and the facade itself. In this case, the ventilation gap has several functions.

- removal of excess moisture from the frame wall if it appears. It is an obligatory element for Isoplaat, Steico slabs. Steam can freely escape from the wall and not condense in the insulation layer.

- directly "airing" the tree used for the installation of the facade. This allows the wooden facade to do without repairs for many years.

The facade itself can be either horizontal or vertical. In addition, you can combine both of these options to highlight individual elements of the house not only with color, but also with texture. The main condition for a ventilated gap is that its width is sufficient to ensure natural ventilation of the facade. The gap itself is mounted using horizontal or vertical slats or bars (boards of 100 * 25mm are also allowed), the thickness of the slats depends on the height of the house and the minimum value can be 25mm. The 50mm gap is applied when the wall height is more than 7 meters. The ventilation gap must be open at the bottom as well as at the top of the wall for free air circulation.

Facade board is usually dry and calibrated, the profile can be different.

1.Installation with vertically arranged boards.

First option

A very common type of facade in Scandinavian countries. It is made of boards 120-170mm. minimum thickness 20mm. With an increase in the width of the board, its deformation can be very significant, for this reason, for a width of more than 150 mm, a board with a thickness of 22 mm is used.

In this case, the strip is not necessary to use the same size as the outer sheathing board, it can be either narrower or wider. It is necessary to fasten the cover strip to the sheathing bar bypassing the outer sheathing board. This will avoid cracks in the facade when the geometry of the boards changes depending on humidity and weather conditions.

Second option

Variant of installation of a vertical facade using a bar strip. The overlap width for each board must be at least 20mm. Each cover strip is nailed to the batten directly, not through the facade boards.
The strip and the siding boards can be swapped, i.e. the wide board will be on the outside overlapping the strip. At the same time, it is important to maintain a minimum distance between the boards of 15-20 mm for the convenience of painting. In this case, the strips of the cover strip must be at least 60 mm wide, to ensure an overlap of 20-25 mm with the sheathing boards.

The third option

The simplest option is a facade made of rectangular boards with a gap. At the same time, the board protects the cladding of the house from rain, and the ventilation of the facade due to the gaps is much more efficient. But it should be noted that with a gap of more than 8 mm width, the effect of natural phenomena and ultraviolet radiation can negatively affect the MDVP slabs and the facade lathing, for this reason it is recommended to use an additional windproof membrane when installing the facade in this way.

Air access device at the bottom of the wall

To ensure the safety of the wooden facade, it is necessary to ensure high-quality priming of the boards themselves and the lathing bars. You need to prime the entire surface, both internal and external, as well as grooves, if it is an imitation of a bar. For this reason, primer must be applied prior to installation, preferably by immersion in a suitable solution. If the primer is applied with a brush, then this procedure must be carried out at least 2-3 times. Finns usually practice covering painting, i.e. the board is completely covered with paint, hiding the texture of the tree, this provides a greater wear resistance of the facade to natural factors.

For the article, the material of the designer-constructor of frame houses Vladislav Vorotyntsev was used [email protected]

To give the house a certain style, namely country - the simplicity and lightness of the wild American West, the option of wooden cottage cladding with a herringbone or overlap is often used. Here the board finds one, from bottom to top. As a result, a sloping Christmas tree is formed. From the point of view of economy, such a finishing option can hardly be called profitable, but at the same time, the boarding of the house with a board carries a flavor.

To perform work, you can use both edged board and unedged board. The first is a rectangular sawn timber perfectly cut on all sides. The lumber also has a uniform thickness along its entire length. Such material is easy to install and subsequently process with paint or varnishes.

What is an unedged board

An unedged board is a log that has been cut into thin lamellas along the grain. Moreover, if the planes of the lumber are approximately flat and uniform throughout the entire thickness, then the end sides of the unedged board are not processed. That is, bark, bast and sapwood remain in their pure form along the edge. Most often, unedged material is used for auxiliary purposes during construction (creating formwork, cladding a sub-floor or roof, etc.).

Important: in order to embody the country style in the exterior of the house, it is customary to make the cladding with an unedged board. However, everything is at the discretion of the owners.

Species of wood for planking

As a rule, trimmed and uncut boards are made from softwood and hardwood. The cheapest and simplest are pine and spruce timber. However, such lumber does little to protect the house under the cladding from atmospheric precipitation. Or it requires high-quality final processing with various antiseptics, fire retardants and varnishes, which is quite expensive.

Larch boards have a higher density and are able to protect the house from excess moisture during seasonal rainfall. Therefore, mainly larch lumber is used to decorate the outside of the house. Its resistance to the formation of fungus and decay is known to many.

Important: the cost of a cubic meter of uncut larch lumber varies within 210-230 USD / m3.

For exterior decoration of a cottage, it is better and more convenient to use a board with a width of 30 cm. The thickness of the panels can vary in the range of 20-30 mm.

Advice: before finishing work on the house, it is recommended to additionally dry the building material for 1-2 weeks in the open sun, and avoiding accidental rain on it. Such preparation will lead to the least shrinkage and shrinkage of the finish. After all, the tree initially has natural moisture, which will begin to evaporate over time.

Plating work

Installation of the lathing

Planks with a herringbone or overlap are attached to a pre-assembled crate. This technology is good in that it is possible to additionally lay insulation and a membrane under the cladding, which is especially good for houses made of foam and aerated blocks.

Taking into account the fact that the trim from the boards will be mounted horizontally relative to the walls of the house, the lathing beams should be placed vertically. To create a frame, it is better to use a wooden beam with a section of 50x50 mm. Before carrying out work, it must be treated with antiseptics in 2-3 layers to protect it from decay. Between treatment approaches, breaks are taken to completely dry the product.

The lathing beam can be fixed in different ways, depending on the wall material from which the house was built:

• So, a timber is simply nailed to a wooden structure with long nails, but on condition that insulation is not laid in the frame;
• The frame is attached to a house made of blocks of any type using dowel screws;
• If it is supposed to create a warming cake, then the frame beam is mounted on plasterboard suspensions to the required thickness.

Tip: in order to mount the frame in a single and perfectly flat plane, you can fix two beams opposite to the wall and pull the fishing line between them. Then, along it, align all the other vertical posts of the crate.

The spacing of the beams can be up to 1.5 meters. But most often it is made a multiple of the length of the board, which will be used for sheathing. If it is planned to install insulation, then the step between the beams is made equal to the width of the plates or rolls of thermal insulation material.

We insulate and waterproof the house

If, when decorating a house with an edged or unedged board, a decision is made on additional insulation of the building, then it is necessary to remember one golden rule when choosing a heater - the vapor permeability of the entire pie should increase from the walls of the house to the outside. If we neglect this principle, in the future, condensation will accumulate in all layers of the construction cake and, over time, destroy both the structure of the walls of the house and the structure of all laid materials.

Therefore, we first waterproof the walls of the house. For brick and block buildings, bituminous mastic can be used. But most often they use roll materials that are overlapped on the crate, throwing 10 cm edges (joints) onto adjacent rolls. In this case, a ventilation gap is left between the wall of the house and the material.

Plates of mineral wool or foamed polystyrene foam are mainly used as insulation. The insulation is attached to the walls of the house with a dowel-fungus and supplementing the fastening with glue. All joints between the plates are foamed with polyurethane foam, if any. Then the insulation is covered with a membrane so that subsequently a ventilation gap remains between it and the sheathing board. This can be achieved by arranging a counter-lattice of thin wooden slats on top of the mounted membrane. Or you can simply bend the membrane in the places of the vertical beams and attach it to the side edges of the frame.

Exterior board finish

When the whole insulating cake is completely assembled, and the board for outdoor decoration is dried and prepared, the installation of the cladding can begin.

Sheathing starts from the bottom panel in the area of ​​the base. At the same time, several thin slats must be filled under the lumber, so that when the finishing material is fastened, the starting angle of the slope is obtained. It can be larger or smaller, depending on the preferences of the owners. There is no exact regulation regarding this. The board is laid horizontally, keeping track of the level, and fixed to the crate with nails or self-tapping screws in its upper part. Thus, the next laid panel will cover the fixing points and create the next desired sheathing angle. As a result, we get a herringbone finish. We continue to install the boards in this way along all the walls of the house. The corners of the sheathing are subsequently covered with decorative corners. And all possible joints must be filled with polyurethane sealant.

Tip: a completely finished finish can be additionally treated with linseed oil or varnishes / paints, depending on the chosen style. For example, a home might look like a fun country cottage in bright blue or light blue.

Roof sheathing

If you are looking for an answer to the question of how to sheathe a house with a board and at the same time use the roof, then these tips will help you:

• So, in order to further trim the roof with sawn timber from a board cut at the production site, when installing a roof, instead of rafters, they mount slugs - simple longitudinal logs. They are attached to the roof gables.
• Then a frame made of beams or second-rate sawn timber is stuffed onto the logs. The principle of forming a step between the beams is the same as for the wall frame.
• Next, a waterproofing material is laid on the frame, which is overlapped at the joints. In this case, the waterproofing is released down to the gutter.
• Then a thin strip is stuffed over a layer of waterproofing material to create a counter-lattice. It will help ventilate the roof sheathing boards.
• The decoration begins to be fixed from the drain upwards according to the same principle as on the walls of the house.

Important: such a roof looks colorful, but is excessively exposed to moisture. Therefore, lumber can be additionally treated with water repellents. The most popular are simple drying oil and Aquatex-extra. Such impregnation should be applied by preheating it in a water bath. The boards are processed in two layers. In this case, there is no need to wait for the first layer to dry.

Advice: in order for the roof made of boards to serve longer, you will need to repeat this processing of the tree every 2-3 years.

Decorating the house with overlapping or herringbone clapboard

The cladding of the house with an overlap is also called "American". During the development of new continents in the 17-18 centuries. American and Australian settlers lined their houses on the outside with ship boards that had opposite corners. This method of finishing the facade did not allow water to drain onto the base of the building and soak into the walls. On the inside, the facade cladding remained dry.

The facade of the house, clad with overlapping wood

Today, such a cladding can be made from high-quality lining made of larch or pine. You can buy it in the LESSHOP company, which offers a wide selection of such building materials. A simple and proven technology will help protect your home from:

• Exposure to moisture;
• The scorching sun;
• Strong wind;
• Temperature differences;
• Street sounds;
• Heat loss.

In addition to protective characteristics, pine and larch lining has a beautiful appearance and allows you to create attractive and well-groomed facades of low-rise buildings. It is cheaper than restoring load-bearing walls.

Advantages and disadvantages of herringbone wood trim

The cladding made of pine or larch is highly resistant to external influences, and also has the following advantages.

• It is not susceptible to moisture due to the high resin content in the wood from which it is made, and a special antifungal treatment.
• It keeps heat well due to the high density of wood.
• Creates good sound insulation, provides natural ventilation of the facade.

The disadvantages of wood cladding of the facade include the fire hazard of the tree, its susceptibility to rotting and the effects of insect pests. Modern technologies have made it possible to eliminate these disadvantages of wood. Larch and pine lining treated with special protective compounds becomes strong, safe and durable. Therefore, before starting installation work, the facing material should be treated with fire-fighting and antimicrobial solutions.

Larch lining is considered ideal for external cladding. It is not afraid of moisture, does not warp and lends itself well to processing. The only disadvantage of such cladding is the relatively high cost. A budget option for finishing the facade in such a situation will be a pine board.

Before finishing, you need to prepare the tools:

• Hammer;
• Nails;
• Screwdriver;
• Self-tapping screws;
• A bar for a frame with a size of 50x40 mm.
• Building level;
• Plumb line.

Installation work

You always need to start by treating the load-bearing walls with protective compounds that will prevent mold, fungi and pests from appearing under the sheathing. Then the following works are carried out:

• The markup of vertical lines is created along the entire perimeter of the facade;
• According to the created markings, wooden planks are fixed with self-tapping screws;
• An ebb is made on the upper part of the base;
• A bar is installed above it, the thickness of which is equal to the thickness of the lining. This element will provide the skin with the desired level of inclination;
• From the bottom corner, they begin to fasten the boards with nails. When fixing the boards, you need to retreat 2 cm from the side end. Nails are nailed from above and below the wooden plate.

The plan for fixing the boards with an overlap on the facade

After the completion of construction work, the joints at the corners of the facade are closed with type-setting elements. They will protect the cladding from premature destruction and give the facade a complete and neat appearance.

For finishing the facade of the house, you can choose a variety of finishing materials, and even the most ordinary and simple finishing, with the right and competent approach, can perfectly decorate the facade of any building. One of the simplest and most inexpensive materials is ordinary unedged board, which is characterized by uncut edges, giving the facade of the building simply magnificent properties, creating a really very original and aesthetic design. However, today wooden facade decoration is very popular, and any kind of boards, not only unedged ones.

What is an unedged board?

The edges of these boards are raw to give the overall finish a stunning style. Unedged board can easily be used for finishing the facade of any building with proper cleaning and processing, but it is mainly used as a material for the facade decoration of cottages and country houses. By carefully fitting such boards to a friend, she gives the impression that the house is entirely built of wood.

You can also leave the edges of the unedged board unbarked, as the finish looks surprisingly stylish. The main thing to consider when using unedged boards is the use of protective impregnations and antiseptics. Alternatively, you can use a wood stain and then varnish the boards. Unedged boards were previously used exclusively for non-residential buildings, as well as for roof lathing, that is, where an aesthetic appearance is not required.

However, in recent years, there has been a tendency to use this material for cladding houses. Of course, such a board requires correct processing and a beautiful location before this, which allows it to compete in aesthetics with any other option for finishing the facade.

Unedged board is characterized by a high level of strength and resistance to mechanical damage, and also resists moisture changes and temperature changes quite well. The not very high density of the unedged board makes it quite easy in various processing, reducing the time for finishing the facade of the building with such a material.

Carrying out work on finishing the facade with an unedged board

For exterior decoration of buildings, a timber is used, which must be nailed over an unedged board in increments of about 1.5 meters. Also beams are used on the corners of the house. The fitting of the boards to each other does not have to be perfect, since the remaining gaps can be subsequently covered with mastic or sealant.

Dimensions of unedged board

Unedged boards are usually 16, 19, 22 and 25 mm thick, however thicker ones can be found - 32-75 mm. The modern building materials market offers a varied selection of boards, since wood trimming of houses is quite common these days.

The facade of a house made of unedged boards creates a unique play of light and shade, which is obtained due to horizontal planking, which looks very stylish and effective. For facade decoration, as a rule, an unedged board is used, the width of which is 30 cm. The best choice for this purpose will be northern tree species with a beautiful texture and high density. Typically, these are trees such as Siberian larch or select butt forest, which is free of any defects.

Choosing a mounting method

In the process of installation, unedged boards are installed using the "overlap" method or are located close to each other, not inferior in quality to siding. The second option is the most difficult, but at the same time more beautiful.

Overlapping sheathing - structural diagram

However, in addition to the aesthetic qualities, one should also consider the practicality of all sheathing methods. The overlap method is more suitable for facades from a practical point of view. This type of finish is more resistant to moisture, but it should be remembered that the installation of unedged boards in this case must be carried out over the waterproofing, and the joining of their ends is docked with undercutting, after which the joint is treated with a sealant.

If necessary, the boards can be primed and then installed over the waterproofing layer. They are nailed with the right side with one nail at the bottom, but above the previous board. In the event of fluctuations in the level of humidity, this method will preserve the integrity of the entire structure.

Detailed technology for cladding the facade with unedged "overlapping" boards

An example of overlapping unedged boards

This technology is most acceptable, since the unedged board has uneven edges, which complicates the process of joining parts.

1. We cover the boards with a primer or a protective coating. Suitable for these works deep penetration formulations, used for the preparation of mineral or wood coatings before plastering and painting. The primer penetrates deeply into the board and acts as a connecting link. Advantages: the wear resistance of the coating increases, the impact on the board surface of the environment decreases, the adhesion of adhesives and paints increases. Also the walls are covered with a primer.

Knotting

2. Installation of waterproofing on the walls. For these works, a coating type waterproofing is suitable. It could be TechnoNIKOL Mastic MGTRN. It is important not only to protect the walls, but also to waterproof the blind area of ​​the house. The mastic is applied to the walls with a brush. If there are gaps, fill in the solution there and remove the excess with a spatula.

Example of a waterproofing coating for wood

After that, the waterproofing layer should dry well so that the surface is not sticky when touched. It is best to apply three layers of waterproofing, so you avoid moisture entering the room and the formation of mold and mildew in the house. And if you still encounter such a problem, buy special building materials to combat mold.

3. Installation of insulation. One of the most popular materials for insulating facades is mineral wool, as it is non-combustible, does not absorb moisture, and is not afraid of the cold. Consider this is only one option.

Foam insulation

4. Fastening the boards on top of the waterproofing by nailing them down. To do this, vertical boards are stuffed vertically along the wall, after which horizontal boards are stuffed on them, in the direction from bottom to top. The imposition of the next layer on the previous one should be carried out by about 20 mm, this is the overlap.

5. Application of sealant to the joints of the boards. The best facade sealants for filling joints are polyurethane sealants. In terms of technical characteristics and parameters, they compare favorably with acrylic, silicone and other sealants. Polyurethane sealants have high elasticity and resist stretching and deformation, which is very important when facing the facade with unedged boards.

Example of sealing a joint with polyurethane sealant

6. Application of the topcoat. Varnish coatings are often used. We select products and apply varnish with a brush. This completes the finishing of the facade with an unedged board.