Anti Drumming kits behind headlining

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GerryAttrick
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Anti Drumming kits behind headlining

Post by GerryAttrick »

Getting close to the time when I can do some work to get "Abigail" back up an running. One of the jobs needed is the fitting of a new headlining that I plan to get from Peter Norbury. I thought of installing some Dynamat soundproofing material in place before the headlining goes in but I gather this may make it harder to fit the headlining. :?

What have others done. Has anyone used Dynamat or the pads that seem to be installed inside doors of modern cars? Its not very thick and I guess it is modern technology but I am worried that in the heat it may melt or become detached and either fall on to the lining or even worse bleed thru' :?
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fsmlittler
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Re: Anti Drumming kits behind headlining

Post by fsmlittler »

We fitted Dynamat all over the interior including the roof and the noise reduction was amazing. Didn't cause any problems with the new headlining-especially once we glued it to the right side of the frame! I'd definitely recommend Dynamat.
GerryAttrick
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Re: Anti Drumming kits behind headlining

Post by GerryAttrick »

Thanks for that - sounds like the way to go. I remember an escort 1300GT I had that was a lovely car but like being pushed down the road in a metal drum. It took all the joy out of driving. I have been spoiled by modern cars now so will be installing Dynamat or similar
Alan
Mark Higgitt
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Re: Anti Drumming kits behind headlining

Post by Mark Higgitt »

I'm approaching the point where installing sound-proofing is moving closer for Austin the Austin.
What advice is out there about the panels to proof and the quantity of pads to buy?

Mark Higgitt
Alcester
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1958 (long since Court Grey, no longer bare metal, now Speedwell Blue, and tantalisingly close to moving under its own steam for the first time in more than a decade) A35 YDV 624
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Countryboy
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Re: Anti Drumming kits behind headlining

Post by Countryboy »

Hi Mark
I would think about what these pads do , they add weight to panels to stop them vibrating thus vibrating your eardrums!

Stick them on any large panel that you think is susceptible to this . The roof would be a good idea IMHO. I can't remember if any of the headlining frame that comes very close to the roof skin :study:

I would do the bulkhead , rear seat base and also the floor above the exhaust.

If you can , leave the pads out in the sun or in the airing cupboard to get warm and supple before fitting.

Sound waves from the front of the car are free to travel along to the rear inside the sills . I stuffed some foam inside the inner rear 1/4 trims down to the sills to prevent this. I also stuffed more down around the inner wheel arches to prevent road noise :thumbs:
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Tight Yorkshireman
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Re: Anti Drumming kits behind headlining

Post by Tight Yorkshireman »

Mmmmm I need to look at this for EMD!

John G :o
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Re: Anti Drumming kits behind headlining

Post by earthhist »

The original fitment (on saloon) to reduce drumming was a layer of felt perhaps 1/4 inch think (I speak from memory), and which also ensured that the headlining frame was not in direct contact with the roof. In addition there were small pieces of this same felt attached to the frame in areas where there was a risk of contact with the roof.

So provided the material used is not too thick it should not cause too much difficulty with the headlining frame.
Last edited by earthhist on Wed Aug 31, 2016 2:22 pm, edited 1 time in total.
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Re: Anti Drumming kits behind headlining

Post by gazza82 »

How about fitting the headlining frame to use as a "template" and cut the Dynamat to fit between the gaps. I would have thought the only problem would be is if you put Dynamat under the headlining frame "ribs" and it prevents the frame from fitting. Leaving thin gaps should prevent that and still not cause too much of a noise issue.

The take out the frame, put on the new cloth and voilà!
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Mark Higgitt
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Re: Anti Drumming kits behind headlining

Post by Mark Higgitt »

Thanks to you all, as ever.
Strangely, I hadn't thought about the roof space, despite the fact that it took me six or seven hours in a position straight from the Kama Sutra to scrape the remnants of the old stuff off.
Looks like I'll have a briefer repeat of that one in the weeks to come, then!
Thanks again!

Mark Higgitt
Alcester
1958 (long since Court Grey, no longer bare metal, now Speedwell Blue, and tantalisingly close to moving under its own steam for the first time in more than a decade) A35 YDV 624
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Countryboy
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Re: Anti Drumming kits behind headlining

Post by Countryboy »

Mark Higgitt wrote:six or seven hours in a position straight from the Kama Sutra
Sounds like a typical school night for some of us :thumbs:
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Mark Higgitt
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Re: Anti Drumming kits behind headlining

Post by Mark Higgitt »

So the reference to 'rusty vehicles' isn't that accurate then, Countryboy! :D

Mark
1958 (long since Court Grey, no longer bare metal, now Speedwell Blue, and tantalisingly close to moving under its own steam for the first time in more than a decade) A35 YDV 624
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