Feature●Energy Star Qualified : ICC-ES Recognized : R-Value = 15.67 unaffected by humidity : Prevents condensation : Prevents 97% of radiant heat transfer : Vapor barrier : Elastic : 19dba contact noise reduction●>>>1/4 inch thick●>>>40 sqft (4 feet x 10 feet)●>>>PerforatedDescription
PERFORATED Reflective Insulation Foam Core Radiant Barrier 1/4" 4x10 FT R8