One 4 ft. x 50 ft. roll. Core sealed on both 50' sides with flange. Prodex 4 ft. x 50. ft is More than a Radiant barrier, it's also a Reflective Insulation (R-value 16) and a Vapor Barrier - All in one product! One solution for Heat, Condensation and Cold. Reflective aluminum foil on each side of 5mm (13/64 inch) closed-cell polyethylene foam center.
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Prodex Difference: Energy Star Qualified : ICC-ES Recognized : R 16 unaffected by humidity : Prevents 97% of radiant heat transfer : Vapor barrier : Elastic : UV resistance : 19dba noise reduction : 90 degree celsius (194 fahrenheit) contact temperature rating : Does not promote mold or mildew : Does not provide for nesting of rodents, bugs or birds : Seals around nails (no leak) : Reflective aluminum foil on each side of 5mm (13/64) closed-cell polyethylene foam center : Keeps its shape over time (doesn't collapse) : Member of US Green Building Council - Made with 100% recyclable virgin raw materials : Over 2 billion square feet sold worldwide.
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