Flexiglas™ Base

Flexiglas Base Sheet is designed for use as a base sheet for hot asphalt applied, inorganic built-up or modified roofing systems. It is suitable for use in the construction of various types of membranes for both new construction and reroofing, over a variety of substrates. Flexiglas Base Sheet will provide additional strength and improved handling and pliability when used as the first ply over nailable, non-nailable and insulated substrates. In addition, it will perform as a venting base sheet when spot mopped over plastic foam type insulations. Also suitable as a mid ply in multi-layer systems.

Non-oxidized (flux) asphalt, blended with a compatible elastomeric styrene-butadiene-styrene polymer and selected inert fillers.

• Support Mat: Wet process fiber glass mat
• Surfacing: Mineral release agent
• Weight: 90 lbs. per roll
• Dimensions: 39 - 3/8" x 98' 9" (324 square feet)
• Coverage: Three Squares
• Thickness: 1.2mm (48 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 Base Sheet may be applied in hot asphalt or approved cold adhesives such as 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. Roof decks shall provide positive drainage.

For additional installation instructions please refer to the CertainTeed Commercial Roof Systems Manual.

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.)