Patent US6427404 Base sheet for retrofitting existing roofing
Base Sheet Roofing. It is made of fiberglass or reinforced polyester, or composite. Web a roofing base sheet is the bottom waterproofing layer on a multilayer roofing membrane system.
Web a roofing base sheet is the bottom waterproofing layer on a multilayer roofing membrane system. It is made of fiberglass or reinforced polyester, or composite.
It is made of fiberglass or reinforced polyester, or composite. It is made of fiberglass or reinforced polyester, or composite. Web a roofing base sheet is the bottom waterproofing layer on a multilayer roofing membrane system.
