屋面架空隔热层的作法很多,现对一些常见作法进行分析。一、架空隔热层作法1郾防水层在隔热层之上,并有女儿墙的作法。一般在水泥蛭石保温层上做水泥砂浆抹面层,在面层上砌115mm×115mm×200mm砖墩,砖墩上放置495mm×495mm×30mm预制钢筋混凝土板,砖墩间距纵横各为500mm,砖墩用 There are many ways to make overhead insulation in roofs. Now we will analyze some common practices. First, overhead insulation layer practice 1 郾 waterproof layer above the insulation layer, and there are parapets practice. Generally, cement mortar vermiculite is used as a cement mortar coating layer, 115 mm×115 mm×200 mm brick piers are laid on the surface layer, and 495 mm×495 mm×30 mm prefabricated reinforced concrete slabs are placed on the brick piers. The spacing of the brick piers is 500 mm in each direction. Brick pier