RECYCLABLE AIR BARRIER BUILDING MEMBRANE

摘要

A recyclable permeable building membrane comprising a base layer of recycled polyester material having a gram per square meter (gsm) weight ranging from about 120gsm to about 200gsm and a top layer of virgin polyester material bonded to said base layer having a gram per square meter weight ranging from about 20gsm to about 80gsm bonded to said base layer, said membrane being an air barrier and having a permeability of at least 65 perms.