Thetepi ya fiberglass iwiriamapangidwa ndi ulusi wamphamvu kwambiri wa fiberglass kapena nsalu ngati filimu yolimbikitsira poyimilira (filimu ya PET), ndipo imakutidwa ndi zomatira zamphamvu zoletsa kukakamiza mbali zonse ziwiri;nditepi ya fiberglass iwiriali ndi mphamvu zolimba kwambiri komanso kukhuthala kolimba.Kukana kuvala kwakukulu komanso kukana chinyezi, kulimba kwamphamvu kwambiri, kutalika kochepa komanso kumamatira mwamphamvu, palibe guluu wotsalira.
Tepi ya fiberglass yokhala ndi mbali ziwirindi oyenera ma CD katundu, bundling, zitsulo mbale kukonza ndi kukonza kwakanthawi zipangizo zapakhomo, komanso kusindikiza, bundling, mizere ntchito ndi kugwirizana ndi kukonza m'mafakitale monga mafakitale, zamagetsi ndi zipangizo zapakhomo.Monga firiji, makompyuta, makina a fax ndi zomangira zomangira zazitsulo zopyapyala.