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Thread: Sound Proofing

  1. #31
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    Thanks Davo for that link. I nicked up to our local Clark Rubber store this weekend and purchased a few metres of that stuff - Was a bit skeptical, as it looked pretty simple, but even though i've only half-done the job, the difference is quite remarkable...

    Basically spent the weekend painting the front floor and tranny tunnel (and as much of the firewall as I could reach) with bitumen paint, then covering the tunnel/firewall with flashtac, and then a good solid layer of Form Shield over the tunnel and loose mats on both floors, followed by some marine carpet on both footwells and the original rubber mats back over the tunnel area...

    Fired it up yesterday and was amazed. Noticeably quieter (which I hoped for, but didn't really expect), but more importantly all the higher pitched rattly stuff is gone, so what noise is left is a deeper rumble, which is much more acceptable... Makes the car sound more like one piece, rather than several thousand loosly bolted together!

    Next step is to do basically every floor/seat surface in the same way. Seatbox, rear floor, under the rear seats, etc., and then another kind of insulation in between the roof lining and the roof when I replace the lining soon...

  2. #32
    TonyC is offline Wizard Silver Subscriber
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    As I posted in a another thread.
    Another supplier and materal.

    The Purple Pig supplies Acoustop sound deadening products as well as almost any industrial rubber product you could want. They have branches in Vic Tas and NSW.
    Welcome to Purple Pig (Australia) Pty. Limited. - Industrial Rubber Products Hose and Accessories
    Acoustop - Noise Solution Materials

    Tony

  3. #33
    DefendeRR Guest
    What about that stuff they try to sell you when you buy a new car?

    You know, thay come at you with a whole package of Rust Proofing, Window Tinting, bha, blah, AND......Under-Body Sound-Deadening. I beleive its a spray on thick rubbery compound.

    Any comments on effectiveness, costs, down sides, and where / cost?

  4. #34
    Ruslan Guest
    Quote Originally Posted by TonyC View Post



  5. #35
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    My father-in-law used old carpet on the doors and roof on his 2a and it took out alot of noise . i think he used quik-grip to make it stick .

  6. #36
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    A link to my insulation project : D110 - Insulation Install

    LRH
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  7. #37
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    I have a mate who is a boat builder. Moved to Sydney around 20 years ago so I dont see him much these days.
    Anyway, when he was in Melbourne he bought a new combi van, a 2 litre one and he installed some sound proofing he was using in the engine bay of the boat around the engine hump at the rear of the combi van.
    It was a vinyl type material with a very thin layer of lead sandwiched inbetween. I can honestly say his combi van was as quiet or quieter than a normal car after he did that. It would be worth chasing the product as it is very effective.

    Ian

  8. #38
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    Quote Originally Posted by Lotz-A-Landies View Post
    I don't know how many people watch Foxtel programmes like "Overhauling" but they always use a self adhesive black/silver foil backed mat product called "Dynamat" I think. Am assuming it is some sort of closed cell/bitumen/lead product.

    Does anyone know of an Australian distributor?

    Diana
    dynamat is available deom most half decent car audio shops, great stuff IMO

    a cheaper alternative is flashtac, a self adhesive flashing tape you can buy from mitre 10, but i wouldnt use it for anything except the horizontal surfaces on the floor.....

    for the price tho, i'd still use dynamat

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