Polyester idafunze irakora cyane, ni nziza, irakomeye, irakomera, irahangana n'ingufu, irahangana n'ikirere cyangwa irashya. Ishobora gukoreshwa idafite inyuza, irimo inyuza, irakomeye cyangwa irangi. Ishobora gutunganywa ku bushyuhe bw'icyumba cyangwa ubushyuhe bwinshi. Kubwibyo, polyester idafunze yakoreshejwe cyane mu bwato, mu bwogero, mu bikoresho bya siporo, mu bice by'inyuma by'imodoka, mu bikoresho by'amashanyarazi, mu bikoresho, mu mabuye y'ubukorikori, mu tubuto, mu bigega n'ibindi bikoresho birwanya ingufu, mu mbaho n'amasahani. Ibikoresho byo kuvugurura imodoka, inkingi z'ubucukuzi bw'amabuye y'agaciro, mu bikoresho by'imbaho byigana, mu mipira yo guteka, mu mabuye akozwe muri plywood akoreshwa mu gushyushya, mu mabuye ya polymer no mu matwi.