Umugozi waciwe mu gikoresho cya Fiberglass ni umugozi usanzwe udafite alkali cyangwa alkali ukozwe mu migozi y'ibirahuri ihoraho iciwemo uburebure bwa mm 50, ikwirakwizwa neza nta cyerekezo, kandi ihuzwa n'umugozi wa polyester ukozwe mu ifu (cyangwa umugozi wa emulsion).
Umushumi wa fiberglass waciwe ufite imiterere yo guhuza neza na resin (kwinjizwa neza, gukurura ifuro, gukoresha resin nke), imiterere yoroshye (guhuza neza, koroshye kuwushyiraho, gufata neza ifuro), ubushobozi bwo kubika amazi menshi, kohereza urumuri rwiza ku kibaho cya laminated, igiciro gito, nibindi. Birakwiriye gutegurwa n'intoki ku bicuruzwa bitandukanye bya FRP nk'amasahani, amatara, ubwiherero bw'amato, ubwogero, iminara ikonjesha, ibikoresho birwanya kwangirika, imodoka, nibindi. Birakwiriye kandi ku mabati ya FRP ahoraho.