Kilmat Sound Deadening Mat
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
 Amazon Sold by StP Atlantic LLC | $59.99 | Jun 1, 2021, may have changed | Buy Now |
 walmart 90-day returns (in store too) | $67.99 | Dec 26, 2025, may have changed | Buy Now |
 sears | $89.87 | Dec 26, 2025, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.
Used & Refurbished
✨ See 1 used & refurbished price with ShopSavvy ProGet the app →Pros
- •Effectively reduces road noise, vibrations, and exhaust sound, making your ride noticeably quieter.
- •Provides excellent thermal insulation due to its foil-faced butyl material.
- •Strong adhesive backing that sticks firmly yet allows some repositioning during installation.
- •Easy to cut to custom shapes with basic tools like a utility knife for precise fitting.
- •Conforms well to curved and irregular surfaces, especially when applied gradually or in layers.
- •Thinner and lighter than some competitors, helping keep overall vehicle weight down.
- •Application is manageable for beginners, especially when using a seam roller or squeegee to smooth out air bubbles and overlaps.
- •Enhances the solid feel and sound insulation of doors and large metal panels.
- •No material waste since small scraps can be reused and rolled in.
- •Cost-effective alternative compared to higher-priced sound deadening brands.
Cons
- •Foil backing can have sharp edges when cutting or handling, so caution is needed.
- •Adhesive is very sticky and can leave residue on tools and clothes, requiring cleaning.
- •Material can tear on sharp bends if not applied carefully, sometimes needing layering for best fit.
- •Actual coverage may require more than estimated square footage due to overlaps and complex contours.
- •Some users find the need to use additional tools like rollers for best adhesion a bit of extra effort.
Bottom Line
The Kilmat 50 mil 50 sqft Car Sound Deadening Mat is a solid choice for anyone wanting to significantly cut down noise and vibrations inside their vehicle without breaking the bank. Its strong adhesive and flexible, effective material deliver great soundproofing and thermal benefits, making it especially popular for van builds and door panel insulation. Just be ready for a bit of careful cutting and tool use to get those sharp edges and tricky corners right. If you're looking for similar quality but want even thicker material or more coverage options, exploring other brands could be worthwhile, but Kilmat offers an excellent balance of performance and price.
What Reviewers Are Saying
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Discussion
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