Materials:Gafglas No. 75 Base Sheet

Notice to the Reader: The roofing assembly / material information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications. The preparation of a detailed specification is the responsibility of the design authority.

Manufacturer: gaf.ca Accepted for RoofStar Guarantee Program Date TBA Product Summary GAFGLAS® #75 Base Sheet is a premium roofing base sheet constructed with a strong glass mat that is coated on both sides to ensure a closed-sheet design to prevent asphalt bleed-through. The sealed sheet also serves as an effective flame retarder for the application of torch-applied modified bitumen membranes. BUR Installation Guidelines

Click below for the Technical Data Sheet.