Shatex RBQP4810 48 in. x 10 ft. Radiant Barrier Double Bubble Aluminum Foil Reflective Insulation

This double reflective insulation with aluminum foil, good sealing performance, avoid heat loss, stops Winter cold, keep warm in Winter and stay cool in Summer, soundproof, protect privacy. They will protect your house from air leaks during the Summer and Winter months, make it cold in Summer and warm in Winter. Double sided aluminum foil with foam insulation inside for every effective control of excess heat.

Radiant barrier is a reflective material with no R value. It works by reflecting radiant heat and does not demonstrate its function through thermal conductivity and R value. Radiant barrier increases existing insulations R Value and performance.,This double reflective insulation with aluminum foil, good sealing performance, avoid heat loss,