Reflectix BP48050 48-Inch-by-50-Feet Square Edge Bubble-Pack Insulation

• A reflective insulation consisting of two outer layers of 96-percent reflective film, bonded to two layers of heavy gauge polyethylene bubbles (nominal thickness: 5/16-Inch)
• Heavy gauge polyethylene bubble interior provides superior strength and easy handling
• Staple Tab Edge products are recommended when installing the insulation on 24-Inch or 16-Inch centers
• Easy to handle and install - no mess, no itchy fibers
• Only tools required are: staple gun, utility knife, tape measure and safety glasses

AMAZON.CA PRODUCT DESCRIPTION 48" x 50', Standard Edge Double Bubble Foil Both Sides Reflective Insulation, 5/16" Thick With Two Outer Layers Of Aluminum Foil, Each Foil Layer Is Bonded To A Tough Layer Of Polyethylene For Strength, Reflects Up To 97% Of Radiant Heat, R-Value Up To To 14.3 Depnding Upon Application, Excellent Vapor Barrier For Below Grade, Can Be Used For Crawl Space, Duct Insulation, Side Walls, Metal Buildings, Basement Walls & Attics, Product Has Been Evaluated By ICBO, BOCA, CCMC, SBCCI & Dade County, Easy To Install With Tape & Staples. FROM THE MANUFACTURER Metallic foil surface repels heat; air bubble lining resist transfer of heat.