Iifestile ezingenafreyimu zithatha yonke imilimitha yokugqibela yemibono engaphandle. Unxibelelwano olungenamthungo phakathi kweglasi kunye negobolondo lesakhiwo lwenza inkangeleko eyahlukileyo ngenxa yotshintsho oluthambileyo. Ngokungafaniyo neefestile zesiqhelo, izisombululo zeLEAWOD zisebenzisa isakhelo se-thermla break aluminiyamu.
Kunoko, iipaneli ezinkulu zibanjwe kwiiprofayili ezimxinwa ezifihliweyo eluphahleni nakumgangatho. Umphetho we-aluminium omhle, ophantse ungabonakali unegalelo kuyilo oluncinci, olubonakala lungenabunzima.
Ubukhulu be-aluminiyam bubaluleke kakhulu ekuphuculeni ukuqina kwesakhiwo kunye nobude bexesha leefestile. Ngobukhulu be-1.8mm, i-aluminiyam inika amandla angaqhelekanga, iqinisekisa ukuba iifestile ziyakwazi ukumelana nemimoya enamandla, imvula enkulu, kunye neminye imikhosi yangaphandle enokudibana nayo kwiindawo eziselunxwemeni.