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Old 11th March 2016, 14:56   #181
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Default Re: Alternative material for damping

how do the various diy materials compare? (tar felt, pure felt, yoga mat)
I already have some thick felt stuck to my door pads (see my post #171 earlier, second pic - in the previous page)
But I'm still getting lots of vibrations

I have had some good experience with tar felt sheets (adding them to a really old pair of sony bookshelf speakers running philips HiQ speakers really helped them clean up the low end despite the flimsy plywood cabinet

I find the tar felt sheets adhesion make it fairly easy to apply, and stick well

Last edited by Gannu_1 : 11th March 2016 at 17:06. Reason: Adding pic reference from your post below.
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Old 11th March 2016, 17:08   #182
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Default Re: Alternative material for damping

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Originally Posted by greenhorn View Post
how do the various diy materials compare? (tar felt, pure felt, yoga mat)
I already have some thick felt stuck to my door pads (see pic above)
But I'm still getting lots of vibrations
Of the three, tar felt would be better. Warm it up a little before you apply - and it should stick easier. You could add more than one layer to make it heavier. (Get a full roll of it - 10m or may be 20m)
(Warming up may even be by keeping it in the afternoon sunlight)

Else, get some proper Butyl-Rubber sheets. (if you get it in cheap & bulk, let me know too)

The felt may be absorbing some sound, but will not reduce vibrations. Yogamat is also not going to absorb vibrations.

Last edited by condor : 11th March 2016 at 17:11.
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Old 30th April 2016, 00:53   #183
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Default Re: Alternative material for damping

Hi Navin & DerAlte - since you'll are experts, can I check if a my simple solution holds promise?

To reduce noise entering cabin (sound deadening & dampening) should the floor be damped first? Before bothering with car doors?

And if floor dampening crucial, then would an extra set of thick rubber floor mats get job done? Thanks!
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Old 30th April 2016, 12:36   #184
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Default Re: Alternative material for damping

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Originally Posted by amitsingh08 View Post
To reduce noise entering cabin (sound deadening & dampening) should the floor be damped first? Before bothering with car doors?

And if floor dampening crucial, then would an extra set of thick rubber floor mats get job done? Thanks!
The biggest issue with floor damping is the carpeting. If the damping goes under the carpet, the carpet will rarely if ever fit properly again. It might be better to live with any/all underbody treatment (Wurth makes a spray that is useful) instead of damaging the car's interiors.
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