Extruded polystyrene (XPS) allunan ana amfani da su musamman wajen gina tsarin rufin bango na waje, musamman a cikin siraran{0}}tsarar rufin bangon bangon filasta da tsarin bangon bangon ciki, saboda ƙarancin yanayin zafinsu (0.028-0.034 W/(m·K)), ƙarfin matsawa (150-700 kPaption)<1%).
Cikakken bayanan aikace-aikacen:
Kauri: Yawancin 30-100mm ana amfani da su (ana iya ƙarawa zuwa 120mm a cikin yankuna masu sanyi sosai).
Hanyar gyarawa: Manne + anga (yankin manne Yafi ko dai-dai da 40%), manyan gine-gine- yana buƙatar ƙarfafan anga.
Maganin kumburi: buɗe kofa da taga da sasanninta na ciki/ waje suna buƙatar ƙarfafawa tare da masana'anta na alkali{0}mai jurewa.
