Wooden arches — products from wood, can be made both of the whole wooden canvas and consist of several elements that are called planned glued arches. Products from the whole wood and its elements are characterized by low strength, since the material with significant loads is easily deformed, that is, it is drying out, cracking and breaking along the fibers, to strengthen the material, boiling or evaporation technology, as well as the use of transverse wooden bars and condenses are used. The basis of the modern production of wooden arches is glued material (chipboard, fiberboard, etc. D.), which allows you to create products of any length and shape, preserving the excellent operational qualities of finished arched openings.