Nsalu ya fiberglass imagawidwa kukhala yokhotakhota, yokhotakhota kapena yokhotakhota.
Nsalu ya fiberglass ndi nsalu yophatikizika yokhala ndi zingwe zamagalasi zamitundu yosiyanasiyana.Wogwiritsa ntchito akagwiritsa ntchito zinthuzi pamwamba, amadzaza nsaluyo ndi poliyesitala, epoxy ndi vinilu ndipo amagwiritsidwa ntchito kwambiri mu tepi ya mica, tepi ya fiberglass, makampani oyendetsa ndege, makampani opanga zombo, makampani opanga mankhwala, mafakitale ankhondo ndi zinthu zamasewera, ndi zina zambiri.
Wogwiritsa ntchito amadzaza nsalu za fiberglass ndi poliyesitala, epoxy ndi vinilu ndipo amagwiritsidwa ntchito kwambiri mu tepi ya mica, tepi ya fiberglass, makampani opanga ndege, makampani opanga zombo, makampani opanga mankhwala, makampani ankhondo ndi katundu wamasewera, ndi zina zambiri.