CertainTeed Flintlastic® SA Mid Ply is designed for use as a mid ply in multi-ply self-adhered systems. It is suitable for use in the construction of various roof membrane assemblies over a variety of substrates. It is intended for use over Flintlastic SA NailBase, Flintlastic SA PlyBase or directly self-adhered to suitable substrates.

Technical Information

  • Top Surface: Permanent film
  • Back Surface: Removable release film
  • Dimensions: 39-3/8" x 32' 1" (100 sq. ft.)
  • Coverage: One Square
  • Thickness: 3.0mm (110 mils)
  • ASTM D1970
  • ASTM D6163, Grade S, Type I

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


When installing CertainTeed Flintlastic SA Mid Ply or any of the CertainTeed Flintlastic SA self-adhering roofing products, particular attention must be paid to storage and handling, deck preparation, slope and drainage, and application requirements to assure a successful installation and long-term performance.

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

Warranty Details

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

  • Limited Product Warranty
  • NDL Roof Membrane Limited Warranty*
  • Full System NDL Limited Warranty*

Owners and specifiers who choose the NDL or Full System NDL 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 warranties are not available on all specifications and are only available through CertainTeed Gold and Silver Star Contractors

Export Information

Flintlastic® SA Mid Ply is available for Export.  Please review the related product brochures for additional information.

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