Plywood is a sheet material obtained by pressing of thin layers of wood and gluing at an angle of 90 degrees. This technology ensures the durability of the material, its strength and resistance to various mechanical stress.
There are various varieties of plywood:
Moisture -resistant plywood, for its gluing elements from carbomide resins are used. Moisture -resistant plywood for interior decoration of premises is used. Denoted – FC, has an average water resistance indicator. Now, often a marine disease began to find out, this will not be superfluous at leisure.
Plywood with the designation – FSF has increased water resistance indicators. For gluing, substances obtained from phenol -formaldehyde resins are used. Such plywood is used to finish both outside and indoors.
Bakeelized plywood FB is obtained when impregnating each layer of veneer with a special composition. Then glued by substances described above. It is used in conditions of hot temperatures, in adverse conditions and even in water, for the construction of aircraft and vessels.
Plywood is classified depending on the type of wood: coniferous, birch, combined. Fine plywood is used for interior decoration and for manufacturing. Plywood plywood is resistant to decay and the appearance of various types of mold and fungi. It is used to install a soft roof.