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Design Engineering Under Carpet Lite | Heat & Sound Insulation Sheet | Lightweight Multi-Layer Composite | 70" x 24" (11.6 sq. ft.)

  • Based on 91 reviews
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Availability: In Stock.
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Arrives Monday, Jun 22
Order within 7 hours and 57 minutes
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Size: 6" x 2'1" (Rectangular)


Features

  • HEAT IN SUMMER, COLD IN WINTER BLOCKED YEAR ROUND Under Carpet Lite is a 12" thick multi-layer polyester/fiberglass composite that cuts heat transfer from engine bays, exhaust, and road surfaces in summer while keeping cold air out in winter giving you a more comfortable interior without adding meaningful weight to your build
  • QUIETER CABIN, BETTER DRIVE Just as effective as a thermal barrier, UC Lite decouples sound and prevents the transfer of road noise, rattles, and squeaks from working their way into the cabin. The result is a noticeably quieter, more refined driving experience whether you're daily driving or building for shows
  • LIGHTWEIGHT WHERE IT COUNTS At approximately 0.23 lbs per square foot, Under Carpet Lite delivers serious thermal and acoustic performance without the bulk or weight penalty of heavier insulation materials a genuine advantage in performance and high-output builds where every pound matters
  • FLEXIBLE ENOUGH TO GO ANYWHERE The multi-layer composite is designed to be extremely flexible, making it easy to work into tight, curved, and irregular surfaces. Install under carpet, behind door panels, under headliners, on firewalls, transmission tunnels, trunk floors, inner fender wells, kick panels, and more
  • EASY TO INSTALL, WORKS ALONE OR AS PART OF A SYSTEM Fasten mechanically or bond in place with DEI Hi-Temp Spray Adhesive works on vertical and overhead surfaces. Use UC Lite on its own or pair it with Boom Mat vibration dampening material for a complete, layered sound and thermal solution

Description

Engine heat, exhaust heat, road heat — they all find their way into the cabin through the floor, firewall, and body panels. So does road noise. Under Carpet Lite™ was designed to deal with both at once.It's a ½" thick multi-layer composite built from polyester and fiberglass — flexible enough to conform to complex surfaces, light enough not to add meaningful weight, and effective enough to work as both a thermal barrier and a sound decoupler. At approximately 0.23 lbs per square foot across a 70" x 24" sheet (11.6 sq. ft.), you get targeted coverage for smaller areas, door panels, kick panels, and hard-to-reach spots without cutting down a larger sheet.On the thermal side, UC Lite reduces heat transfer from hot underbody surfaces in summer and blocks cold air intrusion in winter — keeping interior temperatures more consistent and comfortable year round. On the acoustic side, the multi-layer construction decouples road noise, rattles, and squeaks before they reach the cabin, adding a noticeably quieter, more refined feel to the driving experience.Installation is straightforward. Cut to shape, then fasten mechanically or bond in place with DEI Hi-Temp Spray Adhesive, which holds on both vertical and overhead surfaces. Under Carpet Lite™ works well on its own or as an added sound decoupler alongside Boom Mat™ vibration dampening material for a more complete build.Floor pans, firewalls, transmission tunnels, door panels, trunk floors, headliners, kick panels, rear quarter panels — if heat or noise is getting in, this is where you start.

Product Dimensions: 25"L x 6"W


Brand: Design Engineering


Material: Fiberglass


Size: 6" x 2'1" (Rectangular)


Color: Regular


Brand Name: Design Engineering


UPC: 607078501103


Unit Count: 11.66 Square Feet


Global Trade Identification Number: 03


Number of Items: 1


Manufacturer Part Number: 50110


Part Interchange Info: 050110


Model Number: 50110


Manufacturer: Design Engineering


Item Dimensions L x W: 25"L x 6"W


Size: 6" x 2'1" (Rectangular)


Item Weight: 3.3 Pounds


Item Thickness: 1 Inches


Material Type: Fiberglass


Product Care Instructions: Spray down with a garden hose and allow to air dry


Color: Regular


Shape: Rectangular


Surface Recommendation: Hard Floor, Tile, Carpet


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Jun 22

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Noise and heat barrier
Size: 4' x 5'10" (Rectangular)
Worked very well under carpet in a c10. Keeps noise and heat out of cab. Excellent product.
Reviewed in the United States on May 2, 2025 by Josh upchurch

  • Cool toes would buy rad stuff Cool toes would buy rad stuff
Size: 1'3" x 1'6" (Rectangular)
Before I installed this under-carpet heat shield, driving my car felt like sitting on a stove set to medium-well. My floorboards were cooking my feet faster than a hibachi grill at a family dinner. But after slapping this magical layer under my carpet? Total game-changer. This heat shield doesn’t just block heat—it straight-up tells it to pack its bags and leave. Now, my interior is cooler than an arctic breeze, and my feet no longer feel like they’re auditioning for a spot in the lava-walking Olympics. Bonus: It also muffled some of the road noise, so now I can hear my tunes without my car sounding like a tank rolling over gravel. Installation was easy—cut to size, slap it down, and boom, instant comfort. 10/10, my feet are finally free from floorboard hell, and I can drive without feeling like a baked potato. Highly recommend! ... show more
Reviewed in the United States on January 7, 2025 Reviewed in the United States on January 7, 2025 by Kyle and Jordan

  • Step Way Above Jute Padding
Size: 1'3" x 1'6" (Rectangular)
Used in trunk and under several areas of carpet in 78 Firebird. Way better than jute padding. Can be difficult to cut with just a razor knife - I used a razor knife to "score" through one layer and then sharp shears to make the cuts.
Reviewed in the United States on March 11, 2026 by R in AL

  • Makes a noticeable difference.
Size: 1'3" x 1'6" (Rectangular)
Very high quality sound insulation. This stuff works great and is easy to work with.
Reviewed in the United States on December 28, 2025 by 5webblets

  • Fiberglass
Size: 1'3" x 1'6" (Rectangular)
Easy to work with. It is a fiberglass based material so be prepared, If you're easily affected by fiberglass wear a mask and gloves.
Reviewed in the United States on June 22, 2025 by Amazon Customer

  • Amazing
Size: 1'3" x 1'6" (Rectangular)
Awesome stuff!!!
Reviewed in the United States on February 14, 2026 by Tyler

  • Lightweight. Good supplemental insulation
Size: 6" x 2'1" (Rectangular)
I used this in conjunction with Dynamat and dynapad in the interior of my (loud) Foxbody mustang. The overall result is less noise and vibration throughout the car.
Reviewed in the United States on February 24, 2024 by Ben Simonson

  • Great
Size: 1'3" x 1'6" (Rectangular)
I was using some regular carpet jute and it was pretty hard to lay down into place. Order this and it really made things easy. Install was a breeze it folds into place and easy to cut. It does a good job shaping to bends etc and is easy to cut. Would recommend.
Reviewed in the United States on January 23, 2023 by John

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