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Specifications & Compliances

TopRock Meets or Exceeds Major Industry Specifications

Meet North American Standards and Approvals
  • Complies to the requirements of the National Building Code for use in Roofing Assemblies requiring non-combustible construction
  • Meets or exceeds ASTM C726
  • Factory Mutual Class 1 approval, FM 1-90 based on FMRC 4450/4470 for BUR, Modified Bitumen and Single-Ply Systems
  • Gypsum is not required in some assemblies
Fire Rated Assembly
  • TopRock is a non-combustible product for non-combustible assemblies
Effective Fire and Wind Uplift Resistance
  • Listed by Factory Mutual for effective resistance to fire and wind uplift
  • Several designs qualify for an FM Class 1-90 wind uplift resistance classification
  • TopRock can be mechanically attached directly to the steel deck for non-combustible construction