Nsfs | 347 2021 ~repack~

Roofing membranes, such as those from manufacturers like Duro-Last , earn points based on their adherence to these criteria. They are then awarded one of four certification levels: Silver Gold (e.g., the white Duro-Last membrane) Platinum Importance in Sustainable Building Ralph M. Paroli - Standards Council of Canada

Products certified under this standard help earn points toward LEED certification. 5 Critical Performance Categories nsfs 347 2021

Do not rely on marketing claims. Follow these steps: Roofing membranes, such as those from manufacturers like