Vermiculite board ndi mtundu watsopano wa zinthu zakuthupi, zomwe zimagwiritsa ntchito vermiculite yowonjezera monga zopangira zazikulu, zimasakanizidwa ndi gawo lina la binder, ndipo zimakonzedwa kudzera munjira zingapo.Imakhala ndi kukana kutentha kwambiri, kuteteza moto, kuteteza chilengedwe chobiriwira, kutsekereza kutentha, kutsekereza mawu, Mbale wokhala ndi zinthu zovulaza.Zosayaka, zosasungunuka, komanso kutentha kwambiri.Chifukwa bolodi la vermiculite limagwiritsa ntchito vermiculite yowonjezera monga zopangira zazikulu, zida zopanda mpweya zilibe mpweya ndipo siziwotcha.Malo ake osungunuka ndi 1370 ~ 1400 ℃, kutentha kwakukulu ndi 1200 ℃.