Izindwangu ze-fiberglass ezifakwe i-aluminium foil zenziwe ngezindwangu ze-fiberglass ezifakwe i-aluminium foil noma ifilimu ohlangothini olulodwa. Zingamelana nokushisa okukhanyayo, futhi zinobuso obubushelelezi, zinamandla aphezulu, zikhanya kahle, zivikela ukuvala, zivikela igesi futhi azingeni manzi.
Itheyiphu yefayibha yengilazi yenziwe ngokumelana nokushisa okuphezulu kanye nefayibha yengilazi enamandla aphezulu, ecutshungulwa ngenqubo ekhethekile. Inezici zokumelana nokushisa okuphezulu, ukuvimbela ukushisa, ukuvimbela umlilo, ukumelana nokugqwala, ukumelana nokuguga, ukushesha kwesimo sezulu, amandla aphezulu kanye nokubukeka okubushelelezi.
I-Glasflex yakhiwa ngokuhlanganisa i-fiber yengilazi eminingi ene-engeli ethile yokuluka ngokusebenzisa ama-braiders ayindilinga. Indwangu enjalo eyakhiwe kahle futhi inganwetshwa ukuze ilingane kumapayipi ahlukahlukene. Kuye nge-engeli yokuluka (ngokuvamile phakathi kuka-30 ° no-60 °), ubuningi bezinto kanye nenani lezintambo kungatholakala ukwakheka okuhlukile.