在古建筑施工中,砌墙、抹饰和(宀瓦)瓦需用多种灰浆,在瓦工师傅中流传有“九浆十八灰”的说法,形容其种类众多。古建灰浆包括砌筑用灰、(宀瓦)用灰、抹饰用灰及砌筑用浆,刷色用浆等。制备灰浆,一般在施工地点设置灰塘,统一制作供应。灰塘在冬季应搭防护棚防冻。明清官工瓦作的灰浆主要用石灰制作,兼用青灰。青灰是北京西郊山区特产的一种矿物胶结材 In the construction of ancient buildings, a variety of mortars were used to build walls, wipes, and tiles, and there was a spread of nine shades of eighteen gray in the tile masters. Ancient building mortars include masonry ash, ash for plastering, ash for wipes, mortar for masonry, and pulp for brush coloring. Preparation of mortar, generally set at the construction site ash ponds, unified production and supply. In the winter season, the shelter should be protected from freezing by the shelter. The mortar used by the Ming and Qing government officials for tile work was mainly made of lime and used as green ash. Green ash is a kind of mineral adhesive material for specialty products in the western suburbs of Beijing.