NT-FR2000 Extreme Duty Vapor Barrier - 4' x 50' NT-FR2000 Extreme Duty Vapor Barrier - 4' x 50'

NT-FR2000 Extreme Duty Vapor Barrier - 4' x 50' NT-FR2000 is our strongest crawl space vapor barrier. It is a super heavy duty vapor barrier for crawl space walls and floors. It is constructed with a 5 ply laminate combining 2 layers white flame retardant polyethylene, a center layer of heavy duty flame retardant black polyethylene and 2 layers of high strength cord grid. It is specifically engineered to provide exceptional strength and durability in a lightweight rugged material. Use NT-FR2000 for crawl spaces that have heavy traffic and are used for storage of heavy items such a building materials, lumber and other items that would be prone to tearing a vapor barrier. Conforms to the following safety codes: Passes NFPA 701 Test 2 (Large Scale) - "Standard Methods of Fire Tests for Flame Propagation of Textiles and Films". Features Multiple layers and cord reinforcement resist punctures and tears. Flexibility and light weight allow for easy handling and quick installation. Long life expectancy allows for significant cost savings through reuse and fewer replacements. Usable Temperature Range Minimum: -30F Maximum: 170F Physical Properties And Typical Values Property ASTM Test Method Value Weight D-3776 74 LB / 1000 FT² 3" Tensile Strength D-882 180 LBF 3" Load @ Break D-882 85 LBF 1770 PSI 3" Elongation @ Break D-882 375% Tongue Tear D-882 33 LBF Trapezoidal Tear D-4533 46 LBF Puncture Strength D-4833 47 LBF PPT Resistance D-2582 42 LBF Dart Impact Strength D-1709 2.5 LBS Cold Impact Strength D-1790 -40F Permeance E-96 0.028 Grain/Hr*Ft²*in.Hg Fire Retardancy E-84 5 flame spread, 80 smoke developed NFPA 701 Pass IMPORTANT - If you have combustion appliances in your crawl space such as a furnace or water heater, you should consult your HVAC professional prior to installing a crawl space vapor barrier system. Always install a carbon monoxide detector in areas with combustion appliances.