Check the listing for details. Radiant Barrier - Entry Level - Breathable 1000 sf roll - Attic Foil Insulation. Condition: New. Listed at 114.44 USD. Super R® Diamond radiant barrier is a low-cost, entry level product designed for the DIYer who wants the least expensive material on the market that still reflects 95 percent of the radiant heat entering or leaving a structure. Super R® Diamond radiant barrier is primarily designed to be laid on the attic floor. Super R® Diamond radiant barrier meets all residential fire and building codes and is perforated so moisture will not be trapped between the material and existing insulation. Available in 500 and 1,000 square foot rolls. Size of roll: 1000sqft 4ft Wide by 250 Long Key Benefits Meets new ASTM E84 and E2599 fire codeClean, lightweight, easy to installSaves energy and moneyFor residential retrofit Product Description Two-sided reflecting metallized film with polyester scrim reinforcement Weight 14.5 lbs per 1000 sq ft roll Tensile/Tear Strength Length: 2.32 pounds force Width: 1.50 pounds force ASTM D2261 Pliability 70°F±5°F & 50±5% Relative Humidity – No Cracking or Delamination ASTM C1313-05 Adhesive Performance 180°F±5°F & 50% Relative Humidity – No Bleeding or Delamination ASTM C1313-05 Flame Spread & Smoke Class A/ Class 1 0 Flame Spread, 10 Smoke Development ASTM Method E84-10