Fiberglass tef ɗin manne kai an yi shi da ragamar fiberglass azaman kayan tushe kuma an haɗa shi ta hanyar emulsion mai ɗaure kai.Samfurin yana da manne kai, ya fi dacewa, kuma yana da ƙarfi a cikin kwanciyar hankali.Abu ne mai mahimmanci don masana'antar gine-gine don hana fasa a bango da rufi.