Cov kauj ruam fiberglass yog ib hom fiberglass grating, siv los ua ntaiv ntaiv lossis ntaiv. Feem ntau muaj cov xuab zeb ntawm nws rau qhov swb dawb.
Fiberglass stair tread yog tshwj xeeb los ntawm kev txhim kho corrosion, tsis tas yuav tsum muaj xim, tsis muaj txij nkawm xav tau, kev pab lub neej ntev, lub teeb yuag, kev teeb tsa yooj yim thiab tsis xav tau cov khoom nqa hnyav, thiab lwm yam.