Flintlastic® Ultra Glass SA is a premium, self-adhered base sheet for hybrid roof systems with a torch-applied cap or cap set in hot asphalt or cold adhesive. It is suitable for use in both new construction and reroofing over a variety of substrates including but not limited to insulation, concrete and plywood/OSB.

Flintlastic Ultra Glass SA delivers measurable labor savings over traditional fully adhered asphaltic membranes without compromising waterproofing protection. This robust base ply can be used in CertainTeed two-ply, low-slope roofing systems for up to 25-year warranty durations.


Technical Information

  • Application: Self-Adhered
  • Material: SBS Modified Bitumen
  • Reinforcement: Fiberglass
  • Top Surface: Sand
  • Coverage: One square
  • Thickness: 3.0mm (118 mils)
  • ASTM: D6163, Grade S, Type I; D1970

For additional technical resources please refer to the CertainTeed Commercial Roof Systems Manual.


CertainTeed's Flintlastic Ultra Glass SA is self-adhered.  Flintlastic Ultra Glass SA is installed with 4" side laps and 6" end laps, with end laps diagonally staggered not less than 3' apart. Flintlastic Ultra Glass SA must be applied to a clean, non-nailable substrate by peeling off the siliconized backer that exposes a specially formulated SBS high-tack self-adhesive surface.

Rolls should be stored upright, off ground, completely protected from the weather. Roof decks shall be structurally sound, dry, and smooth and meet or exceed minimum requirements of the deck manufacturer, local code and CertainTeed.

For Construction Details and Specs Click Here

Warranty Details

CertainTeed offers three asphaltic low-slope roof system warranty options: Limited Warranty on Materials, Integrity Roof System Limited Warranty, and Integrity Roof System No Dollar Limit (NDL) Limited Warranty. CertainTeed warranty durations are based on a combination of system specification and product selection. Please download an overview of these warranty options for details. Consult with your contractor or CertainTeed Territory Manager to determine which warranty is best for your project.     

CertainTeed offers standard asphaltic low-slope roof system warranty durations between ten and twenty-five years. Additionally, Gold Star Contractors can increase warranty durations by 25% by engaging in an Integrity Maintenance Agreement with their client.

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