Indasteri ea fiberglass e bile le kholo le nts'etsopele e makatsang lilemong tse mashome a seng makae tse fetileng, e susumetsoang ke tlhokahalo e ntseng e eketseha ea lisebelisoa tse bobebe, tse tšoarellang, le tse sebetsang hantle makaleng a fapaneng a joalo ka kaho, likoloi, sebaka sa sefofane le matla a tsosolositsoeng. Fiberglass, eo hape e tsejoang e le polasetiki e matlafalitsoeng ka khalase (GRP) kapa polasetiki e matlafalitsoeng ka khalase (GFRP), ke lisebelisoa tse entsoeng ka likhoele tse ntle tsa khalase tse lohiloeng ka lesela 'me li tlamahanngoa ka resin. Thepa ena e feto-fetohang e fana ka karo-karolelano e ikhethang ea boima ba 'mele, ho hanyetsa kutu, le thepa ea ho kenya mocheso, e e etsa khetho e nepahetseng bakeng sa lits'ebetso tse fapaneng.