DEI D-Mat Insulation - 60in x 40in
Special Order
This part is still available to order. Once you place your order, we’ll submit it directly to DEI, and they’ll ship it straight to you.
Delivery times can vary depending on the brand, so we can’t guarantee an exact arrival date. What we can guarantee is that we’ll stay on top of your order, monitor its progress, and keep you updated until it reaches your door.
Special-order items are typically not kept in stock by most retailers. By ordering through us, your order is placed directly with DEI, assuring you get the part as quickly as possible.
Want to get an estimated delivery timeframe before ordering? Contact us through our contact page, and we’ll be happy to find out for you.
Couldn't load pickup availability
D-Mat solves the need for a lightweight heat barrier and insulation for headliners, doors, trunks, rear bulk heads & more. Advanced Thermal-Acoustic insulation designed for under head liners, doors, package trays and other areas. Extremely light weight and pliable D-Mat is the perfect choice for these areas. At only 12MM thick, compressible and pliable, D-Mat can be used in even the most difficult areas to insulate providing thermal protection and keeping your interior cool. Made from a polymer blend with a scrim backing D-Mat can be used in applications up to 325°F while showing up to an 65% reduction in heat. D-Mat has exceptional acoustic absorption, meets flammability rating and is mildew and bacteria resistant. D-Mat is recommended for all high performance applications including show vehicles, project cars and trucks, muscle cars, street rods and vintage vehicles; most any application or location except for the floor where Boom Mat's Under Carpet Lite is preferable. Comfortable interior at any temperature Quick & easy installation Economical insulating solution Light weight for high performance applications
Installation InstructionsInstallation Instructions
- Perfect For Use Under Headliners/Doors/Other Panels
- Easy To Cut And Install
- Only 1/2 in. Thick
- Light Weight
Videos for this part


