XTRM Dynamat Door Sound Kit 12 SQ FT

Item #21890 Brand:Dynamat

Made in the USA
XTRM Dynamat Door Sound Kit 12 SQ FT
4X the sound-deadening, 1/2 the
weight, of "Original" Dynamat
- +
Quantity: close

In stock



Dynamat® Xtreme Door Kit deadens noise coming through doors, giving your vehicle a more solid sound and "feel" Install Dynamat® Xtreme throughout your vehicle and listen as the doors and trunks slam snug, and road and wind noise virtually disappear (when part of a complete Dynamat installation).
  • Door Kit includes 4 sheets, each 12" x 36"
  • 4 times the sound-deadening effect, but half the weight, of original Dynamat
  • Reduces interior temperatures up to 50%
  • Cut to size with knife or scissors, then peel and stick

About XTRM Dynamat Door Sound Kit 12 SQ FT

Enjoy a "sound" improvement in your ride, as well as heat reduction. This door kit includes 4 sheets, each 12" x 36", for a total of 12 square feet. Bulk packs and wedge packs available separately; see "Accessories" tab.


4 Dynamat® Xtreme Sheets, each 12" x 36"


Remove any carpeting and underlining materials, then wire-brush or blast door panel to remove rust. Use Rust Converter or Rust Encapsulator to treat any areas that cannot be blasted. Use 52050 Dynamat Applicator Roller to apply Dynamat. Overlap edges or use 52144 Seam Tape.

Eastwood Offers Free Lifetime Technical Support

Click here for product SDS information

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