- ISHN GLOBAL
- EHS RESEARCH
This standard establishes safe operating practices for the installation, maintenance and removal of membrane roofing that is seamed or seamless on low-sloped roofs with a maximum slope of 4 and 12. These types of roofs include but are not neccessarily limited to: hot and cold built-up roofing, single-ply roofing, polyurethane foam (PUF) roofing, liquid-type roofing (Hypalon, polyurethane, etc.), modified bitumens.