Buying a wooden beam is not a task of simple, it will require not only the presence of certain knowledge, but also attentiveness.
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Firstly, when buying a beam, it needs to be checked for the evenness of the walls, unless of course a four -dancing beam of a square section is purchased. Simply put, before buying, you need to check the correctness of the forms of the material. Secondly, it is necessary to inspect the beam for knots. Knots are quite acceptable, but only in a small amount. The presence of rotten places and cracks is much more important.
Therefore, inspecting the beam, you need to look for these defects. It is very important to check if there is mold or fungus on the beam. In principle, if any defects are detected, it is necessary to immediately refuse, from such a material, since this material will be dangerous to use when constructing supporting structures, and in the case of a fungal lesion, it can cause even more serious problems. By the way, it should be borne in mind that it is best to buy a beam made of wood, which was prepared in winter and generally wood that grew in the northern regions. The fact is that in such a beam there will be less moisture and therefore it will be less susceptible to various defects, starting with cracks and ending with losing mold.