Tri-Ply#75Base Sheet is a premium roofing base sheet constructed with a fiberglass mat reinforcing 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. Tri-Ply#75base sheet is engineered for use in the construction of Tri-Ply built-up and modified bitumen roofs.
Optimum porosity provides ready escape of air while applying hot asphalt
Mailable and rolls out flat for easy installation
Meets ASTM D4601, type II
FM approved
UL classified
Miami-Dade county product control approved

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