Floor & Tunnel Shield II(TM) solves the problem of needing a high heat barrier to block heat from any source intruding into interiors and damaging components and electronics. Use as a barrier to reflect and insulate from any heat source. Designed to provide the best possible heat protection in areas where high temperatures are always present and problematic, Floor & Tunnel Shield II limits heat transfer on fire walls, transmission tunnels, floor boards, fuel cells and other areas where heat is an issue. Floor & Tunnel Shield II provides excellent light weight thermal protection, acts as a guard against track and road debris, and provides sound deadening as well. Constructed with an embossed 10 mil aluminum face bonded to 1/8 in. composite glass-fiber core, Floor & Tunnel Shield II withstands up to 1750°F. Its improved multifaceted modern aluminum surface offers improved reflection and rigidity and allows for ease of installation - aluminum side must face the heat source. At only 3/16 in. thick, this product can be shaped and trimmed for a custom fit and is ideal for minimal clearance areas. With a unique and patented finely woven glass-fiber backing, Floor & Tunnel Shield II is the easiest, most cost effective way to control thermal transfer while protecting expensive components and vehicle occupants from extreme heat situations and sound. Floor & Tunnel Shield II can be used on any number of surfaces including, metal, aluminum, carbon fiber, plastic, and more. This version of Floor and Tunnel II does not include the adhesive backing the Original Floor and Tunnel Shield II has. 10 mil dimpled aluminum face Protection for engine compartments Protection for painted body parts Comfortable interior at any temperature Extreme heat barrier - aluminum side should face the heat Only 3/16 in. thick Use as barrier to reflect and insulate from any heat source No adhesive backing *DO NOT apply directly to exhaust components.