Waqtiga iska caabinta dabka ee darajada A albaabka dabka birta waa inuusan ka yarayn 1.5 saacadood, dhumucda darajada A albaabka dabku guud ahaan waa 50 mm. Pearlite guud ahaan waxaa loo isticmaalaa gudaha, iyo qadar yar oo ah walxaha dib-u-celinta sida vermiculite-vermiculite-vermiculite board, looxa xumbo albaabka, iwm.

Dab lagu qiimeeyay albaabka bd,naqshadeynta albaabka silitaanka birta, albaabka birta ama fiberglass,albaabka xaashida birta ah,quful albaabka degdega ah,bir simbiriirixan,

albaabka xaashida birta ah,albaabka birta ah,galaaska jabinta albaabka degdega ah, albaabada dabka u adkaysta ee guryaha,albaabka silitaanka birta,20 daqiiqo oo dab lagu qiimeeyay,Dab lagu qiimeeyay albaabka bd,

dabka lagu qiimeeyay albaabka bd,Tijaabada albaabka aan dabci karin, albaabka dabka lagu qiimeeyay,albaabka silitaanka birta,Heerarka albaabka dabka u adkaysta,albaabka xaashida birta ah