通し柱(とおしばしら)とは?【建築用語・土木用語・大工用語】 通し柱とは、2階建て以上の木造建造物で、土台から軒桁まで通した柱のことをいいます。 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