FlexPly6 Ply Sheet

Why GAFGLAS® FlexPly™ 6  Ply Sheet?

Its revolutionary flexible design provides maximum strength and stability, improved conformance to underlying substrates, ease of installation compared to typical Type VI felts, and long-term performance for peace of mind. System guarantees are available for up to 20 years.


  • Revolutionary flexible design rolls out easier and lays flatter, minimizing the danger of air pockets and trapped moisture during installation
  • Open pore design actively absorbs asphalt and installs faster than other Type VI felts
  • Enhanced porosity encourages proper absorption of asphalt for long lasting system performance 
  • Proprietary Micro Weave Core provides superior tensile strength and dimensional stability, for greater resistance to splitting and cracking
  • Superior wind resistance; selected systems have FMRC Class 1-180 rating
  • Highest fire rating; for use in UL, ULC Class A rated assemblies


GAFGLAS® FlexPly™ 6 Ply Sheet felt should be specified as a ply felt in the construction of all premium quality built-up roofs, including most GAF Composite Roof systems. It is also appropriate for use as a base sheet and in the construction of flashing membranes.


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