Moisture resistant plywood (waterproof plywood) — a popular building
material. Plywood happens birch, coniferous and combined. Each of
plywood kinds has the advantages. Birch plywood is applied in the
conditions of the raised loading. Coniferous plywood differs from birch
plywood in easier weight. Special properties give to plywood pitches
and varnishes that allows to make waterproof plywood (moisture
resistant plywood). It is allocated three kinds of waterproof plywood:
* Plywood is stuck together by pitch. Such plywood is
used in premises. * Waterproof plywood is stuck together by
phenolic pitch. Moisture resistant plywood can be used outside of
premises. * Waterproof bacelite plywood — is impregnated bacelite by a varnish. This moisture resistant plywood can be used
in a hot damp climate, and even in sea water. to continue...