noun
sand-lime brick
A building material made from sand and lime, hardened by steam pressure. Rare technical term; more commonly referred to as ケイ酸カルシウムれんが or simply described as 砂と石灰を原料としたレンガ.
この建物の外壁には灰砂レンガが使われている。
Sand-lime bricks are used for the exterior walls of this building.
A more common technical term for calcium silicate brick, which is essentially the same material as sand-lime brick.
General term for 'brick'; 灰砂レンガ specifies the sand-lime type.
Compound of 灰砂 (かいしゃ, 'sand-lime' or 'lime sand') and レンガ (brick). The exact historical derivation is uncertain; the term is a direct calque from English 'sand-lime brick'.