小屋筋交(こやすじかい)とは?【建築用語・土木用語・大工用語】 小屋筋交は小屋組がゆがんだり倒れたりしないようにするために取り付けられる筋違(すじかい)のことで、そもそも筋交いは建物の耐震性を高める斜め方向の部材のことをいいます。 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