Rain protection board - Amayokeita

...The traditional Japanese construction method of deep eaves and eaves over the top of openings is not only for blocking sunlight, but is also extremely effective in keeping out the rain from walls and openings. In private homes in the rainy southwest of Japan, there are examples where vertical boards called rain shields are attached to the eaves and roof flaps to enhance the effect, and examples where multiple layers of water-cutting tiles and water-cutting eaves are installed to protect the gable wall, which is difficult to protect with the roof. Even if the lower part of the wall is covered with such eaves and eaves, it is still easily exposed to horizontal wind and rain. ...

*Some of the terminology that refers to "rain shelter" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…日本の伝統的構法である軒を深く出し，開口部の上部には庇（ひさし）を設けるのは日射を遮るためのものでもあるが，壁や開口部の雨仕舞にもきわめて有効なものである。日本の南西部の多雨地域の民家には，雨よけ板と呼ばれる軒先と螻羽（けらば）に垂直に垂らした幕板を取り付けその効果を高めている例や，屋根で保護しにくい妻壁を守るために水切瓦や水切庇を何段にも取り付ける例を見ることができる。このような軒や庇で覆われていてもなお壁の下部は横なぐりの風雨にさらされやすい。…

※「雨よけ板」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報