The DEI Boom Mat Under Carpet (UC) layer is a high-performance secondary acoustic and thermal barrier designed to minimize road noise and heat transfer into the vehicle interior. This dual-layer material combines a flexible 1 lb/sq ft mass loaded vinyl (MLV) barrier with an industrial-grade acoustical marine foam to isolate the cabin from engine roar, exhaust heat, and chassis vibration.

Measuring 3/8" thick, this insulation provides a 5.6 dB noise reduction over leading competitors and serves as a critical second stage in a comprehensive sound-damping strategy. It is engineered for durability, resisting mold and mildew growth even in moisture-prone floorpan areas. For optimal results, DEI recommends installing Boom Mat UC over a vibration-damping base layer using mechanical fasteners or high-temp spray adhesive (MPN 010490) on floorboards, firewalls, and overhead surfaces.

• Dimensions: 48 in. x 54 in. (18 sq. ft.)
• Thickness: 3/8 in.
• Construction: 1 lb/sq ft Mass Loaded Barrier top layer with marine-grade foam bottom layer
• Acoustic Performance: 5.6 dB reduction over leading competitors
• Thermal Insulation: Blocks radiant heat from engines and exhaust systems
• Resistance: Mold and mildew resistant
• Manufacturer Part Number: 50101

The DEI Heat Screen (MPN 10401) is a professional-grade thermal barrier designed to protect vehicle interiors, fuel tanks, and body panels from excessive engine and exhaust heat. Measuring 36 in. x 40 in. with a slim 0.060 in. profile, this matting is constructed from high-temperature resistant fiberglass bonded to a superior reflective aluminized surface.

This flexible matting is easily trimmed to size, making it ideal for shielding floorboards under carpeting or protecting painted surfaces from heat-induced blistering. While it can withstand significant temperatures, it is designed for use as a secondary barrier and should never be applied directly to exhaust components.

• Temperature Rating: Reflects up to 2000°F radiant heat and withstands 1200°F direct heat
• Dimensions: 36 in. x 40 in.
• Thickness: 0.060 in.
• Construction: Aluminized mylar surface bonded to fiberglass matting
• Installation: Can be secured using mechanical fasteners (screws/rivets) or high-temp spray adhesives
• Applications: Floorboards, body panels, fuel tank shielding, and under-carpet insulation
• Manufacturer Part Number: 10401

DEI Boom Mat Acoustic Tiles (MPN 50233) offer a high-performance, dual-layer solution for controlling vehicle interior noise while providing a professional, finished appearance. These universal tiles combine a 1.75mm dense butyl rubber damping layer to eliminate panel vibrations with a 7mm felt liner designed to absorb and block airborne noise. This combination is ideal for applications on exposed interior panels where traditional sound deadeners might look unfinished, such as firewalls, trunks, doors, and headliners.

• Dual-Layer Protection: Features a 1.75mm butyl barrier and a 7mm thick felt acoustic liner.
• Specifications: Each of the 8 sheets measures 17" x 18" (2.125 sq. ft.) for 17 sq. ft. of total coverage.
• Density: Heavy-duty construction with a weight of 1.6 lbs per sheet for maximum noise reduction.
• Versatile Application: Perfect for firewalls, package trays, trunk floors, and door interiors.
• Professional Finish: The felt surface provides a clean look that eliminates the need for additional carpet or upholstery in many custom installations.
• Manufacturer Part Number: 50233

DEI Boom Mat Acoustic Tiles provide a professional-grade, dual-stage sound control solution for vehicle interiors where a clean, finished appearance is required. These universal tiles combine a dense 1.75mm butyl damping layer to eliminate panel resonance with a 7mm acoustic felt liner to absorb airborne noise. This combination effectively blocks unwanted road and engine noise while enhancing the interior aesthetic of areas like doors, trunks, firewalls, and headliners.

• Includes 4 sheets, each measuring 17in x 18in (8.5 sq ft total coverage)
• Dual-layer construction: 1.75mm butyl barrier and 7mm felt liner
• Total weight of 1.6 lbs per sheet for substantial vibration control
• Easily trimmed and shaped for custom fitment in any interior
• Provides a professional finish for exposed panels and package trays
• Manufacturer Part Number: 50232

DEI Boom Mat Acoustic Tiles (MPN 50231) provide a professional, finished look while delivering high-performance sound damping for your vehicle's interior. Each tile utilizes a dual-layer design, featuring a 1.75mm dense butyl acoustic barrier to block structural vibrations and a 7mm felt liner to absorb airborne noise. This versatile material is engineered for use on exposed panels where a clean aesthetic is required, such as firewalls, doors, trunks, and package trays.

• Provides a clean, finished appearance for exposed interior panels
• Dense 1.75mm butyl barrier effectively blocks road and engine noise
• 7mm thick felt liner absorbs sound and prevents interior rattles
• Universal design is easy to cut and install for custom applications
• Ideal for use on doors, trunks, firewalls, and headliners

Specifications:

• Total Coverage: 4.25 sq. ft. (Two 17" x 18" sheets)
• Butyl Layer Thickness: 1.75mm
• Felt Layer Thickness: 7mm
• Weight: 1.6 lbs per sheet
• Manufacturer Part Number: 50231

DEI Boom Mat Flex (MPN: 50227) is a high-performance damping material specifically engineered for complex surfaces where standard aluminum-backed damping sheets fail to conform. Built with a 2.5mm thick butyl rubber core and a clear poly surface, this material is highly pliable, allowing it to be molded around tight curves, tubing, pipes, and irregular interior contours.

This aggressive adhesive-backed material effectively reduces structural vibration and road noise while providing thermal insulation for a quieter, more comfortable cabin. It is particularly effective for wheel wells and interior panels with deep draws or compound bends. The peel-and-stick application ensures a secure bond to metal, plastic, or fiberglass surfaces.

• Replaces or supplements standard damping in areas requiring extreme flexibility
• 2.5mm thick butyl rubber construction with a clear poly surface
• Conforms easily to tight bends, wheel wells, and chassis tubing
• Aggressive pressure-sensitive adhesive backing for a permanent bond
• Includes ten (10) 12in x 12in squares for a total of 10 sq. ft. of coverage
• Can be easily trimmed with utility shears or a blade for custom fitment
• Manufacturer Part Number: 50227

DEI Boom Mat XL Vibration Damping Material is an extreme-duty solution engineered to eliminate structural vibration and mechanical noise in demanding commercial and sound competition environments. This 4mm thick material utilizes a high-mass, asphalt-free pure butyl layer to constrain noise, bonded to a 4 mil aluminum stiffening top skin that prevents interior panels from generating resonant frequencies.

Designed for efficiency, Boom Mat XL provides significant damping with only 25-50% surface coverage, which minimizes added vehicle weight and installation time. The high-tack adhesive is formulated for a permanent, no-sag bond on vertical and overhead surfaces even in extreme temperature ranges. This material serves as a critical first layer for any sound-deadening project, significantly improving stereo clarity and cabin comfort.

• 4mm thick asphalt-free pure butyl noise-constraining layer
• 4 mil aluminum top skin for maximum panel stiffening
• Easy-peel plastic release liner prevents tearing during application
• Maintains adhesion in extreme temperatures without sagging or slipping
• Improves acoustic environment and thermal insulation
• Includes (2) 12.5in x 24in sheets for 4 sq. ft. total coverage
• Manufacturer Part Number: 50221

DEI Boom Mat Vibration Damping Material (MPN 50210) provides high-performance noise and vibration control for automotive, commercial, and high-SPL audio applications. This premium damping material eliminates road noise, rattles, and panel resonance by trapping mechanical energy between a 4 mil aluminum stiffening skin and an asphalt-free, pure butyl noise-constraining layer.

Engineered for maximum efficiency, Boom Mat requires only 25% to 50% surface coverage to achieve optimal results, reducing total vehicle weight and installation time. The high-performance adhesive maintains a secure bond on vertical or overhead surfaces even in extreme temperature environments, making it suitable for floors, doors, trunks, and roof panels.

• Advanced Composite: Features a pure butyl rubber layer with a durable 4 mil aluminum top skin for superior rigidity and damping.
• Easy Installation: Features a heavy-duty plastic release liner that peels away without tearing, unlike standard paper backings.
• Versatile Application: Flexible construction conforms to irregular surfaces and can be easily trimmed to size with a utility knife.
• Safe and Durable: Non-hazardous, corrosion-resistant, and flammability rated for safe use in automotive cabins.

Specifications:

• Manufacturer Part Number: 50210
• Sheet Dimensions: 12.5 in. x 24 in.
• Thickness: 2mm
• Total Coverage: 20.8 sq. ft.
• Quantity: 10 Sheets
• Material: Aluminum skin and pure butyl rubber

DEI Boom Mat Vibration Damping Material is engineered to eliminate road noise, structural vibrations, and panel rattles by converting vibrational energy into low-level heat. This high-performance sound deadener features a multi-layer construction consisting of a thick 4-mil aluminum stiffening top skin and an asphalt-free, pure butyl noise-constraining layer.

Designed for easy installation on vertical or overhead surfaces, the pressure-sensitive adhesive ensures no-snag bonding even in extreme temperature environments. Its flexible nature allows it to conform to irregular floor pans, trunks, and door panels. Because of its high-mass efficiency, effective damping is often achieved with only 25-50% surface coverage, saving material costs and vehicle weight.

• Dimensions: Two 12in x 12.5in sheets (Total 2.1 sq ft)
• Thickness: 2mm damping layer with 4-mil aluminum skin
• Material: Asphalt-free pure butyl with plastic release liner
• Construction: Weatherproof, corrosion-resistant, and flammability rated
• Application: Peel-and-stick install for automotive and industrial use
• Manufacturer Part Number: 50200

DEI Heat Screen GOLD (10913) provides a professional-grade solution for managing extreme thermal energy from engines and exhaust systems. This reflective heat barrier prevents heat soak into vehicle interiors, air intakes, and sensitive electronics. Constructed from a high-temperature metalized polyimide lamination bonded to a robust 20oz heat-treated glass fiber base, it combines structural durability with superior thermal reflection for the most demanding automotive environments.

Designed for versatile installation, this non-adhesive screen is 0.031 inches thick and can be mechanically fastened or applied using DEI Hi-Temp Spray Adhesive. In standardized heat flux testing, this material demonstrated a 36% reduction in temperature transfer, making it an essential component for protecting critical systems and improving driver comfort.

• Dimensions: 36 in. x 40 in.
• Direct Heat Resistance: Reflects up to 800°F of direct heat
• Radiant Heat Resistance: Base glass rated up to 1100°F
• Thickness: 0.031 in.
• Base Material: 20oz heat-treated glass fiber
• Finish: Metalized polyimide (Gold)
• Installation: Non-adhesive; requires mechanical fasteners or spray adhesive
• Manufacturer Part Number: 10913

Note: Do not apply this product directly to exhaust components.

The DEI Heat Screen (MPN 10400) is a professional-grade solution for managing extreme engine and exhaust heat. Measuring 36in x 40in, this thin yet durable barrier prevents heat from penetrating vehicle interiors, protecting floorboards, body panels, and components located near high-temperature sources like fuel tanks. The screen is constructed from high-temperature resistant fiberglass with a thickness of just 0.060 inches, allowing it to fit into tight clearances without compromising performance.

• Radiant Heat Protection: The aluminized surface reflects up to 2000°F of radiant heat.
• Direct Heat Resistance: Engineered to withstand direct heat exposure up to 1200°F.
• Easy Installation: Features a self-adhesive backing for a secure bond, though it can also be fastened mechanically if preferred.
• Customizable Fit: The flexible matting can be easily trimmed to size for specific applications.

Use this heat screen to protect painted surfaces and prevent blistering or to line the underside of carpeting. Note: This material is designed for heat reflection and should not be applied directly to exhaust components.

• Manufacturer Part Number: 10400
• Dimensions: 36 in. x 40 in.
• Thickness: 0.060 in.
• Material: Aluminized Mylar / Glass Fiber Matting

DEI Heat Screen (MPN 10399) provides a highly effective thermal solution for blocking engine and exhaust heat from intruding into vehicle interiors and sensitive components. This flexible barrier is constructed from 0.060-inch thick high-temperature resistant fiberglass bonded to a superior aluminized surface designed to reflect radiant energy. It is ideal for protecting floorboards, body panels, and fuel tanks, and can be used under carpeting to prevent paint blistering and interior heat soak.

• Reflects up to 2000°F of radiant heat and withstands up to 1200°F of direct heat.
• Large 36 in. x 20 in. sheet can be easily trimmed to fit specific applications.
• Low-profile 0.060 in. thickness allows for installation in tight clearances.
• Features a versatile design that can be secured via the adhesive backing or with mechanical fasteners.
• Excellent for protecting painted surfaces from extreme thermal exposure.
• Note: Do not apply this material directly to exhaust components.