 | Home > Maintenance & Modifications > How much Silent Coat do I need for the rear of my 90? |
 
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| deaallen Member Since: 15 Feb 2016 Location: Basingstoke Posts: 264   
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I need to know this too, although I'll end up using a mixture of both 2 and 4mm
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2nd May 2019 11:14am |
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| PCM Member Since: 25 Jan 2019 Location: North East Posts: 862
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I just rang the very helpful guys at https://www.deadening.co.uk/
They made a package suited to my 110 CSW with silentcoat 3mm all over and top foam for the roof lining too.. and after I'd done it all I had very little left so for me their numbers were spot on. They sell everything you need and also gave me a discount for buying all the bits in one go. 01865 343934 Can't recommend them enough. PCM |
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2nd May 2019 1:21pm |
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| Zed Member Since: 07 Oct 2017 Location: In the woods Posts: 3028 
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Thanks for the link PCM.
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2nd May 2019 1:49pm |
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| PCM Member Since: 25 Jan 2019 Location: North East Posts: 862
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2nd May 2019 3:00pm |
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| Badger110 Member Since: 06 Feb 2018 Location: South hams Posts: 1030 
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10 will be more than enough for the floor and wheel arches. Silent coat isn’t the best for the roof as it has been known to lose it stickiness under heat ( hot days ).
Silent coat/dynamat or any butyl covering is designed to reduce vibration and isn't a sound barrier. If you want to reduce road noise in the rear, consider a 3mm acoustic rubber mat stuck down with a suitable glue and possibly a carpet if it’s feasible. When fitting the butyl mat, use 100mm strips in the rear to provide mass to the flimsy aluminium panels of the rear area. Covering the entire area is a waste of money. Companies will tell you otherwise as they love people who want to spend money and have seen the build projects where the interior of a defender is plastered with it. |
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2nd May 2019 4:34pm |
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| Snowy90 Member Since: 23 Feb 2015 Location: Surrey Posts: 482 
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As an alternative, i used this stuff
https://www.ikoustic.co.uk/products/wall/t...gLU8fD_BwE one roll is easily enough for a 90, and it does both airbourne noise and dampens vibration, very easy to work with and thin for under carpets, ive only done the front footwells and seat box so far but the difference is amazing. Its recommended as a building product but also used in aircraft and automotive.  Click image to enlarge |
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2nd May 2019 5:07pm |
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| sgreenham Member Since: 27 Apr 2019 Location: Southampton Posts: 145 
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Thank you very much for the tips. I've ordered some Silent Coat from the sound deadening shop with forum discount so we will see how we get on.
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2nd May 2019 7:08pm |
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| PCM Member Since: 25 Jan 2019 Location: North East Posts: 862
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You'll soon become obsessed with chasing the decibels.
It's a slippery slope, but one that means i can now hear the kids arguing in the back.  |
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5th May 2019 6:12pm |
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