DEI D-Mat Insulation Heat Shield Mat 50299

DEI D-Mat Insulation Heat Shield Mat 50299 Brand: DEI — Model: D-Mat Insulation Heat Shield Mat 50299. Engineered for classic Chevrolet/GMC C/K extended cab trucks (1988–1998), this 12mm D-Mat roof insulation kit delivers superior thermal and acoustic performance. The D-Mat construction combines a heat-reflective foil layer with a dense foam core to reduce radiant heat, lower cabin temperatures, and cut road and engine noise. Lightweight and easy to trim, the kit installs cleanly under headliners or behind interior panels for a factory-finish look. Fitment: 1988–1998 Chevrolet/GMC C/K Extended Cab Thickness: 12mm for premium thermal and sound control Benefits: Reduces radiant heat, improves HVAC efficiency, lowers interior noise Installation: Simple trimming and adhesion — contours to roof surfaces Durability: Moisture-resistant, tear-resistant foam with reflective barrier Ideal for restorations and upgrades, the DEI D-Mat 50299 enhances comfort and protects interior trim from heat damage. Improve ride quality and climate control with a proven insulation solution from DEI.