A revolutionary new security product, Block-IR is made from NASA
developed Infra-Red blocking technology. The two outer layers of
Block-IR material reduce thermal imaging heat signatures by 97%. Each
layer if Block-IR material is bonded to a durable layer of polyurethane
for strength. An inner layer of insulation prevents conductive heat
flow. An additional layer of polyurethane gives Block-IR high
reliability and strength. Completely line any space with Block-IR for a
97% reduction in thermal imaging reduction. Don't be fooled by thin,
cheap imitations that don't provide complete protection. This is the
real deal. Accept nothing less. Foil tape is required for proper
installation.