HushMat® - Stealth Foil Door Kit

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In Stock (2) - Ships Tomorrow 01.21.19
Universal Fit
Fitment Notes:
  • Not Vehicle Specific
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Universal Stealth Foil Door Kit by HushMat®. 10 sheets 12" x 12" each 10 Sq. Ft. Reduce vibration and the noise that distorts the great sound coming from your speakers - both with one USA Made material - HushMat Ultra. What sounds better a Home theatre speaker or a car door speaker? Right - the home speaker! What is the difference? It is the enclosure that the speaker sits in. The fine crafted wooden cabinet or the metal door full of holes. Clearly the home cabinet. In most cases the quality of the speaker going in the car door is better than that in the home! The difference is the enclosure. The HushMat speaker kit creates an anti-vibration gasket between the speaker and the metal door. When the speaker cone moves the vibration of the speaker does not transfer to the metal door and create distorting vibration. Better sound from HushMat guaranteed! HushMat Ultra - designed for the automotive industry OEM's (Ford, Chrysler, GM, Nissan, Mitsubishi, Toyota and Honda) for over 25 years. HushMat is the only OEM specified and approved sound deadening & thermal insulating material available to the automotive aftermarket.



Backing: Aluminum
Specific Gravity: 1.47 (approx. 0.47 pounds per square foot)
Thickness: 1.5 mm
Hardness: 6.5 - 9.0 mm  ASTM D-5
R Value: 18
Shelf Life: At least 6 months when stored at 40°C or less
Size: 12" x 12"
Total Size: 10 Sq. Ft.


  • Reduce Heat & Road Noise all from one USA Made product
  • HushMat ULTRA - Butyl Damping Pads "RATED #1 INSULATOR" by Restorer Magazine
  • Reduces road noise & vibration - low frequency noise from 0 to 1,000 Hz
  • Reduce heat Reduces thermal transfer by over 40%
  • Stay warmer in the winter & cooler in the summer Insulates from -30 degrees up to 550+ degrees Fahrenheit
  • Light weight & super flexible less than 1/8" thick and 0.47 pounds per square foot
  • Adhesion is guaranteed - No alcohol or acetone wash needed; no installation tools required
  • Trims easily with standard razor knife or household scissors
  • Self Adhesive peel and stick - no secondary glue - adhesion guaranteed
  • Installs in 1/2 the time versus other brands
  • Manufactured in the United States of America
  • Outperforms closest competitive brand by over 40%
  • Original Equipment Manufacturer approved - Meets or exceeds automotive damping specs GMO149M - General Motors, WSB-M5G58-A1 - Ford and MS-CD 629 Type C - Chrysler
  • Increased sound in stock Dodge pick up by over 7.9 Db @ 100 Hz published by D-Sport magazine
  • Universal application - Apply to Firewall, Floor Pan, Tunnel, Doors, Roof, Rear Wheel Wells, Trunk and Quarter Panels
  • Requires no surface cleaning / preparation or heat guns to install
  • No alcohol or acetone wash needed
  • No installation tools required
  • Trims with standard razor knife or household scissors
  • Temperature Resistance: HushMat Ultra will withstand a bake of 1 hour at 240°C with no deformation, sag, or flow when baked in horizontal, vertical or inverted positions
  • Cold Flexibility: Can be bent around 25mm. mandrel at -30°C with no cracking or loss of adhesion
  • Flammability: Tested per FMVSS 302, HushMat Ultra is self-extinguishing and meets all aspects of the standard
  • Safety: HushMat Ultra is not considered a hazardous material. Care should be used in handling to avoid cuts from the foil. Gloves are recommended. The Material Safety Data Sheet is available upon request and should be read and understood before using this product
  • Peel Strength: Tested in 90° peel at a crosshead speed of 300mm per minute on a 25mm wide test specimen. Average load in Newtons is reported
  • Made to comply with stringent quality standards
  • Guaranteed to ensure a perfect fit and effortless installation
  • Guaranteed to provide perfect fit and function


  • 10 Pieces

HushMat Ultra is a pressure-sensitive, constrained-layer damper, which has excellent adhesion to many difficult to bond substrates such as oily cold rolled steel, automotive E-coat, primers and finishes, and many plastics including polypropylene. The aluminum foil constraining layer and specially formulated viscoelastic polymer layer combine to give effective vibration damping over a wide temperature range. Ultra is provided in rectangular or square sheets and can be hand-cut for special configurations. 

HushMat Ultra is temperature resistant and will maintain adhesion through all automotive bake cycles including 288°C (550 degrees F) over-bake conditions. This allows its application at any stage of the production cycle. It can be applied to both pre-painted and top-coated metal surfaces. It is compatible with automotive coatings and will not contaminate spray operations.  HushMat Ultra superior adhesion characteristics provide excellent corrosion resistance.

The superior adhesive properties of HushMat Ultra allow it to be used in horizontal, vertical or inverted applications. It has good conformability and can be applied on complex shapes.

HushMat Ultra is approved for many automotive specifications.  Contact your Hushmat representative for details, and for design and custom application assistance.

#1 Rated HushMat® provides incredible sound reduction and thermal insulation benefits from technology proven for over a quarter of a century in the automotive, heavy truck, home appliance, as well as recreation and marine industries. HushMat was introduced to automobile manufacturers in 1988, and was approved by General Motors and Chrysler for in vehicle production. HushMat is the only company that manufacturers its own sound deadening and specified for use by every automobile manufacturer in the United States, Canada and Mexico. HushMat makes cars, trucks, boats, RV’s buses, appliances, HVAC equipment and home theater more quiet and comfortable. Today, HushMat is the fastest growing sound deadening and thermal insulation company worldwide. The brand is built on the development of technology for the most demanding and complex industrial and consumer environments. Noise reduction and temperature control of durable goods are HushMat's core competence. HushMat delivers the highest-quality, super flexible, easy to cut material available and requires no surface prep – just peel & stick even in the harshest climates!

California Residents

WARNING Cancer and Reproductive Harm.

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Terms & Conditions

By using HushMat products you are agreeing to the Terms and Conditions without modification. The brand reserves the right to vary the Terms and Conditions.

Disclaimer of Warranties

While HushMat endeavors to ensure that its products are free from defects in materials and workmanship. To the fullest extent permitted by law, each member of the company disclaims and excludes all representations and warranties, express, implied, and statutory, including, but without limitation, warranties and conditions as to satisfactory quality, fitness for purpose and noninfringement.

Disclaimer of Liability

Unless expressly stated to the contrary, to the fullest extent permitted by law, each member of HushMat hereby excludes all liability for any claim, loss, demands, or damages of any kind whatsoever, whether such claims were foreseeable, known, or otherwise, arising out of or in connection with the use of its products, including, without limitation, indirect or consequential loss or damage, loss of actual or anticipated profits, including loss of profits on contracts, loss of revenue, loss of business, loss of opportunity, loss of anticipated savings, loss of goodwill, loss of reputation, loss of, damage to or corruption of data, loss of use of money or otherwise, and whether or not advised of the possibility of such claim, loss, demand, or damages, and whether arising in tort, including negligence, contract, or otherwise. This statement does not affect your statutory rights.


HushMat warrants that has marketable title to the Product, free and clear of all liens and encumbrances. The brand makes no other express or implied warranties beyond that stated on quoted product, statutory, or otherwise, concerning the product, including without limitation, no express or implied warranties of fitness for a particular use, or of merchantability. The user is responsible for determining whether the HushMat product is fit for a particular purpose and suitable for user’s method of application. Please remember that many factors can affect the use and performance of a HushMat product in a particular application. Given the variety of factors that can affect the use and performance of a HushMat product, some of which are uniquely within the user’s knowledge and control, it is essential that the user evaluate the HushMat product to determine whether it is fit for a particular purpose and suitable for the user’s method of application.

If the HushMat product is proven to be defective, the exclusive remedy shall be to replace the defective. The brand shall not otherwise be liable for any loss or damages, whether direct, indirect, special, incidental, or consequential, regardless of the legal theory asserted, including negligence, warranty, or strict liability.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More
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