耐水合板(たいすいごうばん)とは?【建築用語・土木用語・大工用語】 その名の通り耐水性を持った合板です。JAS(日本農林規)によって分類されており、「特類・1類・2類・3類」の4種類があります。 Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window