Outside, the differences between buildings with a wooden and metal frame are not visible, but they are, and very significant. Which one to choose depends on your needs, such as the built house and finance, there is no obvious leader in all respects.
Wood is the most common material for the construction of a frame structure. Various types of wood are used: beam, glued beam, board. Glued beam – the highest quality, and therefore expensive design. The wooden parts of the frame are usually hidden inside the walls, so that you can use economical lumber (for example, a finished board). Among the advantages of wood are ease of processing, high strength, low weight and low heat conductivity. There are also disadvantages: this is the combustibility and exposure of destruction under the influence of external factors. However, to protect, for example, from biological pests, wooden elements of the frame are mandatory treated with antiseptics.
Metal used in the construction of prefabricated residential buildings is not so popular. However, this material confidently masters the market due to its advantages: strength, convenience in assembly, fire resistance and durability. Cold rolled metal, covered with zinc, allows, unlike wood, large openings in the walls and spans of ceilings. The service life of houses with metal frames exceeds 80 years. The metal frame retains its shape under any atmospheric conditions, so the walls of the house will be perfectly even. But do not forget that the metal conducts heat well, which means that the home will have to be insulated more thorough. We also note that the metal frame is almost twice as much as wooden.
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