外墙保温材料根据防火等级可以分：A1不燃、B1阻燃、B2可燃、B3易燃等级别；综合GB8624的三个版本(1997、2006、2011)
Exterior wall thermal insulation materials can be classified according to fire protection grade: A1 www.tangangfengtou.cnwww.tubuji.com.cnwww.tiemianji.cnwww.diandongmens.cn www.yazhujian.com.cnwww.caoxingtuogun.cnnon-flammable, B1 flame-retardant, B2 flammable, B3 flammable; three versions of GB8624 (1997, 2006, 2011)
防火A1级：STP保温板、岩棉、保温砂浆、发泡陶瓷保温板，发泡玻璃，发泡混凝土（即发泡水泥保温板）等
Class A1: STP insulation board, rock wool, insulation mortar, foamed ceramic insulation board, foamed glass, foamed concrete (foamed cement insulation board), etc.
防火B极材料：酚醛泡沫、聚苯板（）、挤塑板XPS等
Fireproof B polar materials: phenolic foam, polystyrene board, extruded plate XPS, etc.