R- 21 Attic Wall Unfaced Reflective Roll Insulation 400-sq ft (48-in W x 100-ft)

Industrialized strength, lightweight yet durable insulation designed to hold staples without tearing. Reflects 97% of radiant heat, emits less than 3% of heat, Class 1 / Class A fire rated radiant barrier that has passed the ASTM E84 test & ASTM E2599.

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