Encourages the use of sustainable materials and design for longevity.
Specifically incentivizes the recycling of post-consumer roofing materials to divert them from landfills. Certification Levels nsfs 347 2021
Evaluates the manufacturer's commitment to social responsibility and ethical practices. Encourages the use of sustainable materials and design
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 nsfs 347 2021
Focuses on the service life and resilience of the roofing system.
Products are assessed based on their performance across five major categories: