1. Kukho izizathu ezininzi zokuba abantu bakhethe ii-membrane ze-EPDM.Okokuqala, ii-membrane ze-EPDM zinemozulu ebalaseleyo kunye nokuchasana nokuguga, okubavumela ukuba bamelane namaqondo okushisa aphezulu, ukuvezwa kwe-UV, kunye nokungcola ngaphandle kokuwohloka.Okwesibini, inwebu ye-EPDM inemi...
Funda ngokugqithisileyo