Makampani opanga magalasi a fiberglass akukula komanso chitukuko chodabwitsa pazaka makumi angapo zapitazi, motsogozedwa ndi kuchuluka kwa zida zopepuka, zolimba, komanso zogwira ntchito kwambiri m'magawo osiyanasiyana monga zomangamanga, zamagalimoto, zakuthambo, ndi mphamvu zongowonjezwdwa. Fiberglass, yomwe imadziwikanso kuti glass-reinforced plastic (GRP) kapena glass fiber-reinforced plastic (GFRP), ndi gulu lopangidwa ndi ulusi wamagalasi wabwino kwambiri wolukidwa munsalu ndikumangirira ndi utomoni. Zinthu zosunthikazi zimapereka chiwongolero champhamvu ndi kulemera kwapadera, kukana kwa dzimbiri, komanso mawonekedwe otenthetsera matenthedwe, kupangitsa kuti ikhale chisankho chabwino pamagwiritsidwe osiyanasiyana.