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This is a 5mm double-sided aluminum foil bubble insulation roll with a peel-and-stick adhesive backing. It reflects radiant heat from both foil faces and traps air in the bubble core, so it works as a radiant barrier for attics, garage walls, HVAC ducts and pipes. The flame-retardant, puncture-resistant build and tool-free installation make it a practical pick for DIY retrofits. Against batts and rigid foam board, it is far thinner and easier to fit into tight gaps, but it adds little conductive R-value on its own and depends on an air gap to perform.
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This is a 5mm double-sided aluminum foil bubble insulation with a self-adhesive backing. Two aluminum layers reflect up to 97% of radiant heat, and the air trapped in the bubble cores helps block heat in summer and retain warmth in winter.
The adhesive backing bonds to clean, dry surfaces such as wood, metal and concrete. It cuts with scissors and needs no tools or extra glue. It can be used as an attic radiant barrier or garage wall insulation, and it wraps around irregular shapes and HVAC or plumbing pipes.
The film is treated with flame retardant properties to inhibit ignition and slow flame spread. The bubbles are puncture-resistant, and the material is tear-resistant and UV-stable for indoor and outdoor use. The high-density foil structure limits vapor passage, and the sealed bubble design supports surface dryness in varying humidity.
