Defender Sound/Heat Reduction




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  1. #1
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    Question Sound/Heat Reduction

    Has anyone used Dynamat Xtreme for sound reduction and heat reduction in there Defender?
    From the web page: “Dynamat Xtreme has the highest damping effeciency available and is more effective at noise and vibration than other products. Dynamat is very moldable and conforms easily to all interior surfaces.” Sounds impressive.


    http://dynamatsa.co.za/index.php/products

    Regards
    Donald Peake

    2005, Defender 110 Td5 SW
    2012, Defender 110 Puma SW (SWAMBO's)



  2. #2
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    Speak to Regard, he did his previous 90 head to toe.

    Cheers,
    Claude

    Defender Puma Raw Limited Edition
    Series III 88"

    Chop your own firewood and it will warm you twice

  3. #3
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    You can use Dynamat in combination with Dynapad.
    Alternatively contact Sondor.
    2013 Tata Xenon 3.0 Dicor D/C
    2006 Honda Civic EXi FN2

  4. #4
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    Quote Originally Posted by ClaudeG View Post
    Speak to Regard, he did his previous 90 head to toe.

    Cheers,
    Claude
    Hehe

    Actually did it to my 110 as well and probably done it better this time round...


    See a few of my blurps and ramblings on this subject here:

    http://www.4x4community.co.za/forum/...Sound+proofing

    http://www.4x4community.co.za/forum/...Sound+proofing

    http://www.4x4community.co.za/forum/...ound+deadening

    http://www.defender2.net/forum/topic...ighlight=sound

    Please note that I also learned as I went along. The last topic being the most successful.

    Let me know if you really want all the "ins" and "outs".

    Dynamat is not worth the money.....there are cheaper, more effective options.

  5. #5
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    Quote Originally Posted by Regard View Post
    Hehe Actually did it to my 110 as well and probably done it better this time round... See a few of my blurps and ramblings on this subject here: http://www.4x4community.co.za/forum/...Sound+proofing http://www.4x4community.co.za/forum/...Sound+proofing http://www.4x4community.co.za/forum/...ound+deadening http://www.defender2.net/forum/topic...ighlight=sound Please note that I also learned as I went along. The last topic being the most successful. Let me know if you really want all the "ins" and "outs". Dynamat is not worth the money.....there are cheaper, more effective options.
    Yes please Regard let me know the in's and out's.
    Yes the Dynamat is a very expensive product, what product did you use or do you recommend.
    Thank you in advance.

    Sent from my iPhone using Forum Runner

    Regards
    Donald Peake

    2005, Defender 110 Td5 SW
    2012, Defender 110 Puma SW (SWAMBO's)



  6. #6
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    Well the basics are:

    3 layers!

    Layer one
    A vibration damping layer. Dynamat from Dynamat, Secondskin's Damplifier or more affordable and locally produced Acoustex Pads. People think that you need to cover the whole area but studies show that you only need to cover 25% of the area to achieve the same result.

    Second layer
    This should be an "isolation" layer between the vibration damper and the sound damping layer. Use closed cell foam! Local suppliers are Sondor. Chose between 4mm-12mm. The thicker the better but keep in mind all these layers will add up at the end of the day. I used 8mm.

    Third layer
    This is the actual sound damping layer. Here you need to use a very dense/heavy rubber layer or MLV (mass loaded vinyl) like Dynaliner from Dynamat, Luxury Liner from Secondskin or again locally produced dense rubber by Sondor. The more dense the better but remember, the more dense the haevier and thicker. I went for a SPX45 (45kg/cubic meter).

    Last thing
    Insert a "bonnet liner" to damp the engine noise. I went to a scrap yard and bought the bonnet liner from a 5 series BMW, cut it to size and "lined" the bonnet with it.

    So I used Acoustex pads from Acoustex in PE and 8mm closed cell foam as well as SPX45 rubber sheet from Sondor.

    Now that you will have to remove all the inside trim (including seats, window trim, carpets, roof lining, etc....)

    I stuck the pads to the bare metal (it is self adhesive). Then adhered the the foam and rubber together with contact glue, cut it to size and shape and then stuck it down with contact glue on top of the pads. I did the roof, floor pans, side panels and doors.

  7. #7
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    Thank you Regard will look into the products you mention.
    With what did you replace the plastic sheeting on the doors?
    I see some people wrap the first section of their exhaust, any idea were to source this locally?

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    Regards
    Donald Peake

    2005, Defender 110 Td5 SW
    2012, Defender 110 Puma SW (SWAMBO's)



  8. #8
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    To remove the water curtain in the doors without tearing it, use your wife's hear dryer, heat up the black goo and pull off carefully.

    To replace heat up the goo again and stick it on.

    You will be able to find the exhaust fiberglass wrap at any exhaust shop?

    The Acustex pads I got from Inner City Panelbeaters in PTA West. The foam and rubber I got from Sondor.

  9. #9
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    If and when I do my next Defender, I'm just going to do a double layer of Durabak inside with mats from conveyor belting and underneath I'll look at cheap insulation sheets.
    2012 Jeep Sahara Unlimited 3.6 V6
    Ela Diablo: Land Rover S2A 109 PUP: SOLD

  10. #10
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    Quote Originally Posted by Regard View Post
    Hehe Actually did it to my 110 as well and probably done it better this time round... See a few of my blurps and ramblings on this subject here: http://www.4x4community.co.za/forum/...Sound+proofing http://www.4x4community.co.za/forum/...Sound+proofing http://www.4x4community.co.za/forum/...ound+deadening http://www.defender2.net/forum/topic...ighlight=sound Please note that I also learned as I went along. The last topic being the most successful. Let me know if you really want all the "ins" and "outs". Dynamat is not worth the money.....there are cheaper, more effective options.
    Thank you Regard for the links to your sound reduction projects, very interesting reading.

    Sent from my iPhone using Forum Runner

    Regards
    Donald Peake

    2005, Defender 110 Td5 SW
    2012, Defender 110 Puma SW (SWAMBO's)



  11. #11
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    Quote Originally Posted by InFront View Post
    Has anyone used Dynamat Xtreme for sound reduction and heat reduction in there Defender?
    From the web page: “Dynamat Xtreme has the highest damping effeciency available and is more effective at noise and vibration than other products. Dynamat is very moldable and conforms easily to all interior surfaces.” Sounds impressive.


    http://dynamatsa.co.za/index.php/products
    HI InFront

    If you are interested we stock Acoustex. It is self adhesive .They come in 530mmx190mmx2.5mm sheets. They are purely made for sound deadening not heat shielding. They go for R25.50 a sheet.
    Thanks
    John
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    1996 Defender 110 300 tdi
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  12. #12
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    Default Re: Sound/Heat Reduction

    Quote Originally Posted by Stone Accessories View Post
    HI InFront

    If you are interested we stock Acoustex. It is self adhesive .They come in 530mmx190mmx2.5mm sheets. They are purely made for sound deadening not heat shielding. They go for R25.50 a sheet.
    Thanks
    John
    Hi John...would this work on a VW Caddy panelvan? If so please give me info on prices ect.Please PM me
    Thanks.
    Howard (Expat)
    Howard

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