Engine › EXTREME HEAT BARRIER 21" X 4' (7.0 SQ FT) Image 1 of 1 EXTREME HEAT BARRIER 21" X 4' (7.0 SQ FT) $134.95 Designed to withstand direct temperatures up to 1750° FFloor & Tunnel shield II is the ultimate solution to block radiant heat from wentering a vehicles interior and protect under hood componentsConstructed from 10mm aluminum bonded to a finely woven layer of high temperature resistant glass fiber.Wind & water will not affect adhesiveMinimum clearance required, only 3/16" thickEasily shape, trim, peel & stickAggresive self-adhesive backing Purchase Added! Designed to withstand direct temperatures up to 1750° FFloor & Tunnel shield II is the ultimate solution to block radiant heat from wentering a vehicles interior and protect under hood componentsConstructed from 10mm aluminum bonded to a finely woven layer of high temperature resistant glass fiber.Wind & water will not affect adhesiveMinimum clearance required, only 3/16" thickEasily shape, trim, peel & stickAggresive self-adhesive backing