XPS foam board, yotchedwa polystyrene extrusion plastic board (XPS mwachidule) ili ndi mawonekedwe otsekedwa a pore alveolate. Zochita zake monga kachulukidwe, kuyamwa kwamadzi, kutentha kwapakati komanso kuchuluka kwa kutentha kwa nthunzi ndi zina zotero zimakhala ndi mwayi kuposa zamagulu ena muzinthu zotetezera kutentha ndipo ali ndi makhalidwe amphamvu kwambiri, zinthu zowala, kuwala kwa ndege, anticorrosion, kukana kukalamba, mtengo wotsika, etc. Zakhala zikugwiritsidwa ntchito kwambiri m'madera otetezera kutentha ndi kutentha kwa mafakitale omangamanga, kukana chisanu mumsewu waukulu, njanji, ndege, mabwalo ndi kukwanira kwapakhomo. Nthawi zambiri amavomerezedwa komanso zinthu zabwino kwambiri zosungira kutentha pamsika pano.