Flexiglas™ FR Base

CertainTeed's Flexiglas FR Base Sheet is a fire rated base sheet utilized in two-ply or multi-layer modified bitumen fire rated roofing systems. It is suitable for use in the construction of various types of roof membrane assemblies for both new construction and recover, over a variety of substrates.

CertainTeed's Flexiglas FR Base Sheet is manufactured on a durable, high quality fiber glass mat which receives a heavy coating of weathering grade, rubberized asphalt.

• Support Mat: Wet process fiber glass mat
• Surfacing: Mineral release agent
• Weight: 90 lbs. per roll
• Dimensions: 39 - 3/8" x 49' 6"
• Coverage: One and a half squares
• Thickness: 2.3mm (92 mils)

For additional technical resources please refer to the CertainTeed Commercial Roof Systems Manual or click on the Technical Information link located on the left navigation area.

CertainTeed Flexiglas FR Base Sheet is intended for hot asphalt application or approved cold adhesive such as CertainTeed's FlintBond™. Rolls should be stored upright, off ground, completely protected from the weather. Roof decks shall be structurally sound, dry, smooth and meet or exceed minimum requirements of the deck manufacturer, local code and CertainTeed.

For detailed installation instructions please refer to the CertainTeed Commercial Roof Systems Manual or click on the Installation Instructions link located on the left navigation area.

Outstanding Warranty Options

CertainTeed backs its commercial roofing systems with the confidence of three warranty choices:

Limited Product Warranty
NDL Roof Membrane Limited Warranty*
Integrity Coverage Warranty*

Owners and specifiers who choose the NDL or Integrity Coverage warranty options have the added security of manufacturer involvement in the sometimes difficult process of contractor qualifying and workmanship inspection. Consult with the roofing contractor and your CertainTeed commercial roofing territory manager to decide which CertainTeed warranty is best for your building or project.

*NDL and Integrity Coverage (IC) warranties are not available on all specifications and are only available through CertainTeed Golden and Silver Star Contractors. (IC is only available through CertainTeed Golden Star Contractors.)