Polyshield Bubble Foil/Foil
Delivers strong effective R-values when installed with air space
7-layer EPE core insulation structure
it is laminated between a highly reflective metalized foil surface and a white finish - available in extra smooth Poly White or super strong White Woven
while many states and municipalities don’t require a specific R-Value
Radiant Barrier RB+ Variant:542 ft² Woven Polyshield Bubble Foil/FoilIntroducing RB+ a Premium Radiant Barrier wide Insulation Roll a highly durable and reinforced attic and building wrap foil insulation. This perforated, breathable, and reflective insulation roll is designed to meet and exceed ASTM standards. The RB+ is a product which undergoes rigorous international testing, ensuring compliance with surface emittance (E=5%), water vapor transmission, surface burning characteristics, corrosivity, tear resistance, and