Njengengxenye ebalulekile yemishini yokukhanyisa yangaphandle, izigxobo zokukhanya zasemgwaqweni ze-aluminium ziyadingeka ukuze zibe nokuphikiswa okuhle komoya. Enqubweni yokusetshenziswa, uma uhlangabezana nesimo sezulu esibi, njengemimoya eshubile, imvula enamandla kanye nezinye izimo zezulu ezimbi, akuthinteki kuphela umphumela wokukhanyisa, kodwa futhi kubangelwa uchungechunge lwezinkinga zokuphepha, ezizobeka usongo olukhulu ezimpilweni zabantu futhi impahla. Ngakho-ke, ukuthuthukisa ukumelana komoya kwezigxobo zokukhanya ze-aluminium ingxubevange kubaluleke kakhulu ukuze kuqinisekiswe ukuphepha kwezimpilo zabantu nezakhiwo.