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Flex Seal As Sound Deadener

Flex Seal As Sound Deadener. And do it in a well ventilated area and completely seal the car from the door. The dynamat tapes are mainly designed for automobile interiors.

Flex seal tape home depot
Flex seal tape home depot from onettechnologiesindia.com

Though the panel is riveted on with 1/4 rivets which are super fun to remove and replace, but still, the panel should prevent flex. I have corresponded by email with him on the specifics of my vehicle and he was super helpful. In car entertainment + electronics (audio / video / alarm) 155:

They Say You Can Do 2 Doors With A Can, Or If You Do Well, 1 Can Per Door.


A fire extinguisher would put it out. The thicker, softer material of open cell spray foam reduces sound waves, but there’s no guarantee on how much. In car entertainment + electronics (audio / video / alarm) 8:

Treat The Interior Wheel Wells And Floor (Recommended) Now That You’ve Reduced Road Noise By Deadening Your Vehicle's Exterior Metal, Support It With A Sound Deadening And Blocking On The Interior As Well.


As said above, if the enclosure is designed and built right to begin with, adding sound deadener to the inside is nothing but a waste of time and money. The noico green liner is noico’s version of dynamat’s dynaliner, which are primarily used to lower engine noise and the transmission of heat to the car’s hood. Though the panel is riveted on with 1/4 rivets which are super fun to remove and replace, but still, the panel should prevent flex.

This Is Your Worst Case Scenario.


A member of this forum lost his wagon when an electrical fire under the dash ignited spray can or brush on material used for sound deadening. Kinda expensive at $16/can, though. Paintable in just 6 hours.

The Tape Is Made Of Butyl Rubber;


Just like it would on a low slope/low pitch roof, which is what the peel and seal’s adhesion is designed for. We used it on car audio installs all the time. With vibrablock sound deadening material sheet, you can achieve heating duct noise reduction with less material.

This Is A 170 Mil Closed Cell Foam Sound Deadening Material With Excellent Thermal Insulation Capabilities, Handling Up To 212 Degrees Fahrenheit.


I recommend 2 cans per door. They are narrow so that they can be easily applied to the thinnest of the spaces. On the cheap, duct seal and rope caulk is handy.

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