Man has been using the different forest resources for centuries. Even nowadays wood remains one of the principal factors of civilization development, one of the most vital kind of raw materials for man, without which many trends of industry could not have managed. As one of the most popular construction materials wood is known to a man for not a thousand of years. As an advantage for using the wood as a constructions material multiple and well known qualities of wood can speak, and, foremost, good isolation properties, aptness to treatment and durability.