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The Dynamat Dynaliner is a self-adhesive closed-cell foam sheet, 1/8 inch thick and 32 by 54 inches, used as a heat and sound barrier in vehicles and around equipment. It is the thin top layer in Dynamat's lineup: it goes over a vibration damper such as Dynamat Xtreme or works alone where space is tight. The 1/8 inch grade suits doors, headliners, firewalls and floor pans where a thicker 1/4 or 1/2 inch liner would not fit. It is a decoupler and insulator, not a mass-loaded vibration damper, so it quiets airborne noise and radiant heat rather than panel resonance.
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Owners use Dynaliner as a finishing layer over Dynamat Xtreme and report quieter cabins and less heat through the floor and firewall. Most praise the easy peel-and-stick install and the thin profile; the common complaint is that it does little for vibration by itself and that surface prep matters for the adhesive to hold.
The Dynamat Dynaliner (DMT11101) is a foam insulation barrier that reduces heat and sound transfer in automotive and industrial applications. It comes as a single sheet measuring 32 inches by 54 inches and 1/8 inch thick.
The sheet is made of foam for thermal insulation and sound dampening. It has a self-adhesive backing for installation and a black finish. It can be used to insulate vehicle interiors, engine compartments, or other areas that need temperature control and noise reduction.