Products / IKO Roof-Fast Base

IKO Roof-Fast Base

Class C fire

Roof-Fast Base is the base sheet of IKO's Roof-Fast low-slope system: a non-woven glass fiber mat coated with polymer-modified asphalt with a self-adhesive back under a silicone-treated film, adhered or mechanically attached to the deck to receive Roof-Fast Cap. The November 2025 data sheet gives a 39.375 in. x 65.92 ft. roll (200 sq. ft.), 63 mils thick with a 3 in. selvage, and Class C fire results under ASTM E108 and UL 790.

Manufacturer
Product line
Roof-Fast
Fire rating
Class C
Standards met
  • ASTM D4601, Type I
  • ASTM E108 Class C Fire Test
  • UL 790 Class C Fire Test
  • CAN/ULC S107 Class C Fire Test
  • CGSB 37-GP-56M, Type 2, Class C, Grade 1
  • Miami-Dade Product Approval
  • Florida Building Code High-Velocity Hurricane Zone (HVHZ) Approval
  • Texas Department of Insurance
Status
active

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