Iimveliso ze-polypropylene eziqinisiweyo ze-fiberglass zizinto zeplastiki ezilungisiweyo. I-polypropylene eqinisiweyo ye-fiberglass ngokubanzi yikholamu yamasuntswana anobude obuyi-12 mm okanye i-25 mm kunye nobubanzi obuyi-3 mm. Kula masuntswana i-fiberglass inobude obufanayo namasuntswana, umxholo we-fiber yeglasi unokwahluka ukusuka kwi-20% ukuya kwi-70% kwaye umbala wamasuntswana unokuthelekiswa neemfuno zomthengi. Amasuntswana asetyenziswa ngokubanzi kwiinkqubo zokujova kunye nokubumba ukuvelisa iindawo zesakhiwo okanye ezingaphantsi kwesakhiwo ezisetyenziswa kwiimoto, ulwakhiwo, izixhobo zasekhaya, izixhobo zamandla nezinye ezininzi.
Izicelo kwishishini leemoto: Iifreyimu zangaphambili, iimodyuli zomnyango womzimba, amathambo edeshibhodi, iifeni zokupholisa kunye neefreyimu, iitreyi zebhetri, njl.njl., njengokutshintsha izinto ze-pa eziqinisiweyo okanye zesinyithi.