NAC's Strataflex is a high strength, 40 mil, self-adhering, elastomeric sheet-applied membrane designed for use under interior and exterior flooring surfaces that require waterproofing protection. Strataflex features a 2' double-stick lap joint that creates a watertight seal, providing exceptional waterproof protection.

Strataflex is permanently adhered to the substrate with an NAC primer making it the perfect solution for condominiums, bathrooms. kitchens, restaurants, malls, office buildings and any commercial or residential installations requiring waterproof protection.

  • Suitable for interior and exterior use
  • Crack protection for up to 3/8” of lateral movement
  • 2” lap joint creates a watertight seal
  • Meets ANSI A118.10 and A118.12
  • Same day flooring installation
  • Clean Air Gold certified

Coverage - 3' x 50' - 150 sf/roll