Wood and plastic are well-known and widespread materials, each with its own pros and cons. Until recently, the disadvantages of using plastic and wood were minimized with the help of special additives and impregnations, but modern technologies allow the creation of completely new, revolutionary materials. One of them is called wood-polymer composite (WPC), or simply liquid wood.
Wood-polymer composite facade board
In essence, wood-polymer composite is something between wood and plastic. It is made from shredded wood with the addition of polymers (polypropylene, polyvinyl chloride, etc.
) - the particles of the materials are mixed, after which, under the influence of high temperature and pressure, the mass is given an appropriate shape. Moreover, the wood content in the material can be up to 90%. In such a combination, WPC acquires the positive properties of wood and plastic, and its use gives a number of advantages.
WPC facade board for walls and roofing
WPC - composition
In addition, fungal spores and pathogenic microorganisms do not multiply in them.
Resistance to negative factors
Does not rot and does not crack
In addition, the material is highly frost-resistant, so it can be used in regions with a difficult climate.
Does not fade in the sun
High environmental friendliness
Like any other material, wood-polymer composite has a number of disadvantages that should be considered when purchasing and installing it.
According to technical standards, for operation at temperatures from -30 to +40 degrees, the material requires an expansion joint with a width of about 5 mm per linear meter. Styling is carried out exclusively on special clips, which are sold separately.
Facade board DKP
Planken from WPC
Based on all of the above, WPC has much more advantages than disadvantages, and in the future its price may significantly decrease, since woodworking industry waste can be used for the manufacture of material.
Well-known manufacturers of WPC facade boards:
Siding from WPC TM Tardex
Facade panels ( siding) made of dpk from DeckMayer
Planken from WPC "ETERNAL WOOD"
The range of products that can be made from WPC is not the most extensive today, since the properties of the material have not been fully studied, but all products have already gained considerable popularity among consumers.
The facade turns out to be stronger, more durable, absorbs noise well and retains heat.
WPC facade board
In addition, WPC products are often used for the manufacture of fences, railings and small architectural forms (for example, gazebos). They have a good load-bearing capacity and can be used in crowded places.
WPC railings and decking
Board made of wood-polymer composite can have different colors and shades, be absolutely smooth or have an embossing that completely imitates the structure of wood. This allows you to implement any design solutions, as well as select a board taking into account the peculiarities of the architecture of the building and the surrounding landscape.
Decking made of wood-polymer composite (WPC) of different shades
WPC facade board
Wood flour is used to make a WPC facade board, the quality of which does not really matter, but special attention should be paid to the binding components. A material based on polyethylene and its derivatives is quite cheap and contains a large amount of wood, but at the same time it is highly susceptible to fading in the sun. Another type of material, which is made using PVC, is more resistant to temperature extremes, ultraviolet light and fire, and is also twice as durable as analogues.
Correct installation of wood-polymer composite is a guarantee of durability, reliability and attractive appearance of the finish. The facade made of WPC panels and boards belongs to the so-called ventilated facades, which have a number of advantages over other structures.
Despite the fact that the installation process in this case is quite simple, it requires compliance with some important rules.
This can happen due to the use of different raw materials and WPC processing technologies, but at the same time it guarantees that the finished surface will have a natural look.
It is not recommended to use wood for these purposes, as it is too strongly susceptible to weathering and can lead to deformation of heavier WPC panels. If the need to install a wooden lattice still arises, you need to choose durable wood, processed at the factory (for example, bog oak).
If this is not possible, their technological and design features should be taken into account, otherwise they can spoil the appearance of the facade or even make it less reliable and durable.
Important: experts recommend assembling the wood-polymer composite at least two people, as this will greatly simplify the work.
Another important point is that during installation, the distance required for thermal expansion of the material must be maintained, which depends on environmental conditions.
|Air temperature||Gap width, mm||Gap width, mm||Gap width, mm|
|Panel length, m||1||2||3|
|35||1||1|| 1. |
|25||1.5|| 1. |
|15||2|| 2. |
|5||2.5|| 3. |
|0||2.8||3.8||5 , 7|
|-5||3||4.2|| 6. |
Installation of panels from DPK is carried out in several stages, each of which is very important for the final result.
Preparation of tools and materials
In addition to wood-polymer composite panels (the calculation must be carried out taking into account the area of the facade plus 10-15%), the following materials will be needed for cladding:
Clip for front panel
In addition, a number of tools must be prepared to perform the work, including:
When installing WPC panels, it is recommended to use personal protective equipment: gloves, a helmet and special safety glasses.
Before mounting the WPC panels on walls, they must be properly prepared.
Any unreliable or worn surface features should be removed, replaced or deburred. If there are residues of old coating (eg plaster) on the walls, they must be removed and, if possible, drain pipes, fixtures for lamps and protruding window sills should be removed.
Walls should be cleaned of dirt and dust, and treated with products to prevent the development of harmful microorganisms and fungal spores. Work can only be carried out on condition that the surface is hard, clean and dry.
Installation of the frame
WPC siding installation diagram
Example installation of WPC siding
The frame is a very important part of the hinged ventilated facade, on which the durability and reliability of the entire finish depends. First of all, you need to make a project and develop wiring diagrams so that the crate is installed appropriately, after which you can proceed directly to the work.
Installation of the frame can be done in three ways: with the help of aluminum profiles (well-processed and dried wooden beams), wood-polymer profiles or L-shaped brackets and profiles.
Option # 1 . Aluminum profiles (wood).
The advantages of such a frame are ease of installation and low cost. For the lathing, it is not recommended to take an untreated or wet timber, since there is a possibility of skewing the entire structure.
Option No. 2. WPC profile.
A fairly simple and reliable frame that is mounted to the walls using dowel nails.
Profile from the WPC
Option No. 3. L-shaped brackets or profiles. A universal design that makes it possible to use insulation of any thickness, and the L-shaped profiles compensate for all differences and distortions of the surface.
In this case, the facing material is attached to the frame with clamps.
Mounting a bar on a metal bracket
The sequence of actions when installing a frame from a profile for a ventilated facade is as follows.
Step 1. Determine the height of the facade installation along the wall perimeter, as well as the vertical and horizontal levels.
Important: a wider profile must be installed at the joints of the panels (you can use two intermediate elements installed side by side).
Step 2. Use a pencil and a level to mark the walls vertically - it will serve as a guide for mounting brackets, and the interval between marks should be 30-50 cm.
Step 3. Attach the brackets in one vertical line starting from the corner of the building. Installation is carried out as follows: holes are drilled on the surface at intervals of 40-60 cm, then the brackets are fixed with the help of anchors or dowel-nails.
Wall cladding components
The extreme rows of elements are installed at a distance of no more than 20 cm from the corners and slopes. At the top and bottom of the facade, the brackets should be mounted horizontally, the distance is 10-15 mm from the wall.
The brackets can be made from the profile
Installation of the frame
Step 4. Attach the first profile to the brackets (start again from the corner of the building), then screw the second profile on the other corner, aligning them along one line. Next, attach the brackets along the entire wall, with the exception of window openings, and screw the profile to them, constantly checking the evenness of the frame.
It is recommended to fasten the profile with two self-tapping screws to each bracket, screwing them into the pre-drilled holes.
Mounting the battens at the corners
Step 5. In the same way, assemble the frame for the remaining walls, after which in the right places, install the end, corner and docking strips so that the structure is a whole.
The wooden lathing is mounted in the same way, only instead of brackets, ordinary logs are used, which are attached to the wall with screws.
Installation of insulation
Installation of insulation is carried out if it is planned by the project. Insulation allows you to get rid of the so-called cold bridges, which are formed between the frame and the wall. The choice of method depends on what type of material has been chosen, since each of them has its own styling characteristics.
Important: under any insulation and on it, a special membrane must be placed with a vapor barrier effect. As a result, it should be as if packed in a membrane bag - without this, the material can get wet and completely lose its properties.
Example of installation of insulation plates between the frame posts
Rondol booster for fixing mineral wool
Applying cement-polymer glue to the foam board
The thickness of the insulation should be equal to the thickness of the frame elements so that the finished cladding does not deformed and did not bend. Important: it is not recommended to use cheap and low-quality material to insulate a ventilated facade made of WPC, since they have a tendency to cake, which is why they cease to perform their functions, and fungi and mold can begin to multiply under the facade.
Thermal insulation materials
Two ways of arranging panels
To fix the WPC board to the frame, special clips and self-tapping screws and screws are used (the recommended length is 20-25 mm, width - 2.5-3 mm), as well as clamps.
Installation should start from the bottom corner of the building and continue horizontally, laying the boards in rows, and it is important that there are ventilation joints between the wall in the upper and lower part of it and the mounted facade for ventilation.
Step 1. Drill a hole at the very bottom of the frame, and its diameter should be slightly larger than the diameter of the self-tapping screw.
Step 2. Insert the front board, fix it with a clip and a self-tapping screw, screwing it as perpendicular to the surface as possible so as not to damage the material.
When tightening the screws, you do not need to apply too much force, as this can cause deformation or cracking of the board. It should not "sit" too tightly, otherwise the facade may crack during thermal expansion and contraction of the material.
Note: if clamps are used to fasten the board, make sure that they are tight, but without effort entered the longitudinal grooves.
Step 3. Insert the fixing clip into the top of the first row of planks and install the next plank, securing it as described above.
It is recommended to fasten each panel to the profile with two self-tapping screws, and special attention should be paid to the joints of the profile and the board (in these places the fastening must be especially strong). It is better to install the subsequent upper rows of panels with a slight displacement of the seams.
Installing the last rows of siding
Step 4. For the finishing row, if necessary, cut the boards, and when fastening, provide between with the adjoining surface and the edge of the board, a technical gap with a width of at least 10 mm.
Option for installing DCP siding without clamps
Slightly bending the panel in the center overlay the ends of the panel
with the locking parts
Step 2. Straighten the panel by tucking the ends into the docking grooves, corner pieces
Step 3. Shrink the panel
Drill holes and screw in self-tapping screws without tightening
If it becomes necessary to dismantle the panel, the work should be done in reverse order: pull out the self-tapping screw and carefully remove it using a hook. To make the structure look aesthetically pleasing, corners and joints can be closed with special additional elements.
WPC board facade wood-polymer composite does not require any special care - the surface can be washed with a hose, and cleaned with simple household products.
It is better to remove stubborn dirt immediately, and for this it is allowed to use a pressure washer (maximum 80 bar, minimum distance from the surface 20 cm) Grease and oil stains are removed using household chemicals suitable for wood and ceramic surfaces using a medium-hard brush. After the procedure, be sure to rinse the facade with water.
It should be noted that the most difficult material to maintain is a façade board of light colors, since it has a relief surface in which dirt and dust can accumulate. If minor scratches appear on the boards during cleaning, they can be removed by sanding.
To prevent the appearance of mold and mildew, you need to thoroughly wash the WPC facade during the flowering period, when pollen can fly in the air, and also strictly follow the instructions for laying the material.
Cleaning and maintaining a facade made of wood-polymer composite
Board made of wood-polymer composite is a revolutionary material that combines imagine the unique natural characteristics of wood with the practicality and excellent performance properties of plastic. The use of WPC for the installation of ventilated facades guarantees that the finish will retain its attractive appearance for a long time and will fully perform its functions.
Assembled wood-polymer composite siding
Decking for the facade - WPC board
Facade of a private houses finished with a facade board (decking) and galvanized drips
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