If you have a heat issue we have an insulation material that will solve your problem. Check our complete line of insulating materials to find the product that's right for you. Remember that reflective surfaces are meant to face the heat source to reflect radiant heat. If you're trying to keep heat out of the driver compartment try to control it before it gets into the interior...our floor & tunnel shield works great because it is designed to be used on the underside of the car. This revolutionary material adds a new dimension to control heat with minimal clearance needed, only 3/16". The Floor and Tunnel Shield is constructed utilizing an embossed 10mm aluminium face bonded to a 1/8" composite fiberglass insulation and is backed with an aggressive adhesive that holds past 450º F. Capable of handling direct temperatures up to 1750 degrees F. Tough enough for under vehicle applications. This unique material can also block out up to 50% of unwanted road noiseGreat sound barrier 1750 degree direct heat capabilitiesSelf adhesive for easy installationUnique material works in harsh environmentsCan be cut with tin snips to any shape.If you need help determining the best product for your need just give us a call.