Fiberglass ndi zinthu zopanda zitsulo zopanda zitsulo zomwe zimagwira ntchito bwino komanso zabwino zambiri, monga kutchinjiriza bwino, kukana kutentha, kukana dzimbiri, mphamvu zamakina apamwamba, kulemera kopepuka, mphamvu yayikulu komanso kukhazikika kwa kutentha kwambiri. Chifukwa chake, amagwiritsidwa ntchito kwambiri ngati zida zolimbikitsira zophatikiza m'magawo osiyanasiyana, monga zomangamanga, zakuthambo, zamagalimoto, zam'madzi, zamagetsi, makampani opanga mankhwala etc.