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Thread: Sound deadening and Boot build

  
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    Sound deadening and Boot build

    Hi, im new to the forums, but have been reading around and found some helpful pictures and information.

    My Mk4 rattles like mad as everyone probally knows on here as its a known problem.

    I want to sound deaden the boot and i know dynomat and all other leading brands are quite expensive but do the job well.

    I also want to do a boot build with MDF, only something simple so i still have boot space but so it looks nice.

    Basically, to get to the questions.

    If i am pulling the carpet up from the boot and laying down MDF, How do i secure this to this boot, Or do i just cut it to the right size so it fits snug and then obviously it wont move?

    And my second question is, If i put the MDF down, and fill everything in with thick blanks will this make the boot any more sound proof because MDF is a pretty dead material as it is.

    So im thinking to save a bit of money, filling the wheel well as much as i can with things i can find (blankets ect), then laying down MDF over the whole boot floor. Then building on up from there?

    Any replies to my post are really appreciated and thanks in advance.

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    Ivanhoe is good sound deadening stuff

    A lad I know sound deadened his entire boot, ( boot lid and all ) for around £60

    You can secure your boot floor just by using heavy Duty velcro strips if you plan on taking it out at a later date
    FULL Black Leather Heated coupe interior for sale! £200!!!
    Click Here

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    http://cgi.ebay.co.uk/40-Sq-Ft-of-Hi...QQcmdZViewItem

    Theres a link to 40 sq ft of ivanhoe stuff there
    FULL Black Leather Heated coupe interior for sale! £200!!!
    Click Here

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    Thanks for the reply, well i went and brought some of that aquaseal stuff, to go the cheap way.

    I filled the tailgate packed full with Loft insulation, the sponge type that itches and then put the aquaseal over the top of it.

    I used aqua seal to do the speare wheel well, and filled it with insulation.

    I have filled the boot lid with old blankets and insulation.

    and not one bit of difference

    not one.

    All i got now is a wallet 30 pound lighter and rashes from this insulation.

    What have i done wrong?

    Do i need more of this aqua seal stuff and go over the whole thing about 3 times??

    More insulation?

    Someone help please

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    You need to use proper sound deadening material - blankets and soft insulation wont inprove the sound quality at all!

    You need to be looking at the likes of dynamat, dynamat extreme, brown bread, ivenhoe etc etc.

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    read more on how people have made false floors....

    If you lay down a few batons with no more nails, it's suprising how sturdy they can be.
    Screw your best fit floor down to the batons. (to get a great starter shape, use the carpet as a template)


    Bin the loft insulation, dont know where you heard that one from - bad bad idea.

    Sound deadening sheets will stop panels flexing and provide a better base for the sound.
    Rattling is usually the fixtures.....again there are a number of dampening products to helps stop them..foam type sheets with dampening are good for that.


    Seriously not worth doing cheaply....as your finding out.

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    ahh bloody hell lol,

    So insulation is no good at all?

    Im gonna get some more aqua seal now ive gone down this path, and layer it up, as ive heard it will need 3 layers.

    At the moment all i have done is the floor and the hole where the spare wheel was

    And also under the plastic of the tail gate bit.

    Do i need to do more at all? or if i keep going over this will it be fine?

    Im going to lay down a MDF floor as ive said, then build up from there.

    Will this stop any ratterling at all? or has it nothing to do with it.

    I've found my third brake light rattles.

    And when i push down on the boot it stops alot of the ratterling.

    If anyone could help any further it would be appreciated.

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    Just to add, no rattles are made when the boot lid is up, only when the boot lid is down, it rattles.

    Just thought that might help so it will give you more of an idea of what im trying to stop

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    Quote Originally Posted by vinyl_pusher View Post
    So insulation is no good at all?
    No insulation is just that it insults heat etc but doesnt sound deaden

    I don't much about aqua seal but i would of thought that it isnt the ideal way to do it.

    Save your pennies and get some proper sound deadening...would be the best way IMO.

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    Can't quite remember ..... but are there bump stops in the boot lid...

    Adjust them to take up the slack of the boot when closed...

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