Ongera imbaraga nkubunini bwa fibre fibre igizwe na polyester ikomejwe.Kongera imbaraga zambere kandi zitose za polyester resin zongerewe imbaraga, nka marble yubukorikori (marble artificiel), quartz artificiel.Gutezimbere amashanyarazi atose ya minerval yuzuye kandi yongerewe imbaraga.Kwambukiranya ubwoko bwa acrylic resin butezimbere gufatana no kuramba kwifata hamwe na coatings ..