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Harmony Audio HA-SDBK Car Truck SUV Sound Damping Dampening Deadening (9) Mat 18 x 32 Sheets 36 Square Feet Bulk Kit

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Harmony Audio HA-SDBK Car Truck SUV Sound Damping Dampening Deadening (9) Mat 18" x 32" Sheets 36 Square Feet Bulk Kit
Harmony Audio HA-SDBK Car Truck SUV Sound Damping Dampening Deadening (9) Mat 18" x 32" Sheets 36 Square Feet Bulk Kit

Eliminate Road Noise, Increase Audio Performance

Harmony Audio introduces our lines sound dampening designed to lower overall road noise in your vehicle by as much as 6 dB with an entire interior application. The dampening material also eliminates panel vibrations and rattles which allows for your speakers to project clearly making the music more pronounced. You can also expect a much quieter ride in day-to-day driving especially on the highway and city driving. Live in Harmony!

Better Materials, Best Sound Quality

Unlike a lot of our competitors, we use a black foil backing which will blend in much better in most applications for a more professional look. We use a 70 MIL Rubber Butyl which is perfect balance between material flexibly and performance for tight corners. The strong self adhesive backing that will not move once set and is rated up to 200 degrees.  The bulk kit also includes a 2" roller.


  • Bulk Kit Includes 9 Sheets (Each Sheet 18" x 32") - 36 Square Feet Total
  • Includes 2" Wide Roller in Package
  • Black Foil with 70 MIL Rubber Butyl Layer
  • Self Adhesive Peel, Stick and Roll Finish
  • Heat Resistant up to 200 Degrees
  • Eliminates Road Noise, Vibrations and Rattles
  • Lowers the SPL Floor Inside the Vehicle

Install Tips:

  1. Clean the mating surface and make sure its completely dry before starting
  2. Cut the material to size using a razor blade or scissors, using gloves is preferred for handling
  3. Peel the backing off and start in contoured areas firmly pressing into place and work out from there
  4. Once initially set in position, then use the roller to press into place working out bubbles as you go
This item is New
1 Year Manufacturer's Warranty
Proposition 65 Warning for California Consumers

WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to

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Frequently Asked Questions for this Product:

When will my order ship?
Most orders placed before 3:00 PM CST will ship within 24 hours. If you need a product by a specific time please contact us at 1-877-275-4434 before ordering.
When will I receive my tracking number?
Most tracking numbers are sent out around 5:30 PM CST of the following business day. Please allow 24-business-hours after ordering before requesting tracking information.
How fast will I receive my product?
Depending on your location it may take 3-4 business days for your order to arrive. Your tracking number will tell you the exact day your order will arrive. If you need an order by a specific date we recommend you call us at 1-877-275-4434

Return Policy
You may return this item in its original condition within 30-Days for a refund, minus a 20% restocking fee, and minus any shipping charges we paid to get the item to you.