CertainTeed Flintglas® Premium Ply 6 is designed for use as a base and/or an interply felt for both hot and cold applied, inorganic built-up roofing systems. It is specifically constructed to provide uniform strength and promote improved asphalt uniformity and adhesion between plies.

Technical Information

CertainTeed Flintglas Premium Ply 6 is manufactured on a durable, high quality fiber glass mat which receives a coating of asphalt and is lightly surfaced with a mineral release agent. The fiber glass base mat provides excellent strength and moisture resistance with uniform porosity to allow complete bitumen embedment without excessive bleed through.

  • Support Mat: Wet process fiber glass mat
  • Surfacing: Release agent
  • Thickness: 0.8mm (32 mils)
  • Coverage: 500 sq. ft.
  • ASTM D2176, Type VI
  • UL Type G1

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


CertainTeed Flintglas® Premium Ply 6 may be applied in either hot asphalt or cold adhesive such as CertainTeed's FlintBond®, depending on system design and selection. 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 detailed installation instructions please refer to the CertainTeed Commercial Roof Systems Manual.

Warranty Details

CertainTeed offers four low-slope roof system warranty options: Limited Warranty on Materials, Limited Warranty on Systems, No Dollar Limit (NDL) Limited Warranty and Full System 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 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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