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Eastwood Heat and Sound Barrier Coating 1.5 Gallon Kit is rated 3.1 out of 5 by 7.
Rated 5 out of 5 by from Very Happy Professional restoration shop. First time using this product as per customer request. We normally use Eastwood X Mat but customer wanted a spray down heat and sound. We are very happy with the way it applied and sprayed. 3 coats over bare steel brand new floors and seam sealer. It laid nice and adhered well. Cant speak for sound and heat. Its not our car.
Date published: 2018-03-13
Rated 5 out of 5 by from Sound and heat I have not used as of yet but like that I can kill two birds with one stone
Date published: 2016-09-19
Rated 5 out of 5 by from Heat and sound barrier kit I cannot attest to the claims of Heat or Sound qualities as of yet. (i am still in the process of building my car). I mainly wanted to use this as an undercoating to make sure that all of my efforts of replacing floor pans and rusted out areas did not go in vane. it went on very nicely and sealed the floor much better than I had hoped. I will use this product again on the inside of the vehicle.
Date published: 2015-12-31
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Can this be used on Aluminum? And what would the proper way to do so?

Asked by: Carey
Yes, this can certainly be applied over Aluminum. Prep the metal first with Eastwood Aluminum Prep (#14107ZP) for aluminum, then apply per instructions.
Answered by: Bob G
Date published: 2019-11-10

Does this product reflect sound or absorb sound. I have an application where I need to reflect sound not absorb it. will this product do that? does anyone know of a "paint" that reflect sound?

Asked by: Kenneth
This product will absorb the sound, we are not aware of any sound barrier that will actually reflect the sound.
Answered by: SeanW
Date published: 2019-07-17

Can this product be used on vertical and overhead surfaces ?

Asked by: gmc711
Yes this can be used vertically or on over head surfaces as well.
Answered by: Kelly H
Date published: 2019-04-03

Can this product be used over POR15 if the POR15 is scuffed first before applying ?

Asked by: Fern
This can be applied over POR15 as long as it is properly sanded.
Answered by: SeanW
Date published: 2019-03-16

Can the product be reduced prior to application? Before or after the catalyst has been added?

Asked by: DIY1
This product can't be thinned.
Answered by: SeanW
Date published: 2019-03-16

Can this product be used in a lunchroom to reduce sound?

Asked by: JackLeg
This product was formulated to reduce heat and sound on cars. We have not tested this product in a lunchroom setting.
Answered by: Bob G
Date published: 2019-03-03

Can it be sprayed over your rust encapsulator?

Asked by: Acaciakng
This can be applied to cured rust encapsulator 220 grit would be a good grit to sand down the surface to get proper adhesion.
Answered by: Dakota W
Date published: 2019-02-09

Can this be applied over cured undercoating?

Asked by: Paul
This can be applied to cured undercoating 220 grit would be a good grit to sand down the surface to get proper adhesion.
Answered by: Dakota W
Date published: 2019-01-29
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Eastwood Heat and Sound Barrier Coating 1.5 Gallon Kit

Eastwood Heat and Sound Barrier Coating 1.5 Gallon Kit

Item #15632ZP Brand: Eastwood

Reduce sound & heat with one easy to apply coating
Quantity: close

In stock

Only $213.99


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Sound and heat reduction in one easy to apply coating

  • Tough 2 part catalyzed coating
  • Kit covers 30 sq.ft. at 60mil
  • Coating & activator included
  • Deadens sound & blocks heat
  • Rugged gray finish, or can be top coated
  • Resists UV, chemicals & abrasion
  • Inhibits corrosion on bare metal
  • No primer needed
  • Can be rolled on or sprayed
  • Thermally stable to 600°F

This 2 part catalyzed coating deadens sound up to 5 decibels and reduces heat up to 40F. Finally, you can improve the interior comfort of your vehicle as easily as applying paint. No primer needed, it goes on most surfaces with excellent adhesion, and protects against corrosion too. It’s perfect for floors, firewalls, and hard to reach areas. This coating can be top coated with most paints, but by itself it has a super durable gray finish that is UV, abrasion, and chemical resistant. It is even stable under heat as high as 600°F. A 1 1/2 gallon kit will cover 30 square feet to a thickness of 60mil.

More info...
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About Eastwood Heat and Sound Barrier Coating 1.5 Gallon Kit

All in one product. Eastwood's heat and Sound Barrier is an all in one product. Using 2 component catalyzed chemistry this super durable can be Roll on or spray on applied. Its thermally stability is up to 600°F. Gray in color, compatible with most top coats and fortified with corrosion inhibitors. UV resistant. No primer required. Excellent adhesion, abrasion resistance, chemical resistance and film integrity. 1.5 gallon setup covers 30 square feet at 60 mil.


One US Gallon 128 Fl Oz of Part A, 2 US Quarts, 32 Fl Oz of Part B. Total 1.5 Gallons


15549 Paint Mixing Wand
20441 undercoating Gun
51203 2.5 Quart Mixing Cups
15327 mixing Sticks
43098L Nitrile Gloves
11456 respirator
20405 Overall paint suit


Click here for product instructions


always wear eye, skin and respiratory protection when using this product. Apply in well ventilate area away from open flame.


Made in USA. Shelf Life: 24 months


Mix 2:1 with part B. 1 Part A, 2 parts B. Pot life 2 Hours. Apply over clean surface using roller, brush of application gun. See instruction booklet, #15632Q for complete application instrcutions.

Eastwood Offers Free Lifetime Technical Support

Click here for product SDS information

Attention California Residents - Proposition 65

Proposition 65 Warning WARNING - Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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