DEI 50511 Ultra Block Features:

DEI's Boom Mat XL is a lightweight, dual-purpose barrier that reduces noise and reflects radiant heat, making it ideal for confined spaces such as generator enclosures and marine compartments. With a peel-and-stick design and high heat resistance, it’s a simple yet powerful solution for thermal and acoustic insulation.

• Open-cell acoustic foam with reflective mylar face
• Reflects radiant heat up to 428 degrees F (220 degrees C)
• Excellent sound absorption in enclosed areas
• Self-adhesive backing for easy peel-and-stick installation
• Flame-retardant – meets FAR 25.856(a) flammability standards
• Great for generator boxes, HVAC enclosures, and vehicle interiors
• Measures 48 in. x 48 in. and can be trimmed to fit
• Lightweight and flexible for curved or tight surfaces