 | Home > Maintenance & Modifications > Insulation and soundproofing |
 
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324  
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A quick search will reveal lots of discussion about this, but this thread is a good starting point:
http://www.defender2.net/forum/topic19837....insulation Darren 110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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3rd Mar 2017 10:11am |
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| Stacey007 Member Since: 25 Sep 2015 Location: Cheshire Posts: 3754
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I have started using 2mm Silent coat with a 8mm soft cell on top.
Done most of bottom part of car and front doors, Not done roof yet... Easy to work with, relatively cheap as goes a long way I think a box of 2mm is around £75 soft cell I bought off the bay 
 Click image to enlarge Doors shut with more of a thud than a rattle can Click image to enlarge Soft cell on top and the the carpet over the top of this... Click image to enlarge Its quite a nice job, biggest improvements are the doors, the seat base and the boot. Its not quite... but better certainly up to 40mph. I did it before a long trip to France... |
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3rd Mar 2017 10:13am |
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| huffhuff Member Since: 05 May 2016 Location: Home Counties Posts: 379 
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I've done similar to Stacey007.
2mm silent coat in front footwells trying to cover as much of the lower bulkhead as possible, transmission tunnel and all over seat boxes (actually sealing in the covers - I appreciate i'll have to  about with this as and when I need to get in there). I've then popped some camping mat followed by the standard matting on top.
The doors I did mainly with offcuts and not 100% coverage (as above, nice thud now). I've also got quite a grunty exhaust. The back of mine was pretty exposed, so I have ply-lined the sides with camping mat between and acoustic material on top. I've wanged silent coat on the wheel arches and across the bed where possible. This has proved very effective. My roof is still all exposed, so will sort that next along with some kind of matting for the wheel arch/bench areas to sit on top of the silent coat. The majority of noice now comes in through what I imagine is the top of the front bulkhead (directly from engine bay). So, also on this every-growing list is an engine bay acoustic cover/blanket (although not heard they make much difference - no pun intended). I think I also need to adjust my doors slightly. Quite a bit of noise coming through where the rubbers should be stopping it (I did recently replace but with cheap rubbers). I can now have a conversation with somebody without shouting. I should also say that my engine etc. is tweaked slightly so it's just noisier than most anyway. I like to hear a bit of a hum though. I also think I have a nearside wheel bearing giving me some unwanted noise at times...and I have stupid big knobbly tyres that generate lots of droning (new AT tyres also on the list) TD5 Defender 90 Discovery 3 HSE |
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3rd Mar 2017 10:31am |
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| barrowg Member Since: 31 May 2016 Location: Surrey Posts: 236 
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Being 2mm thick does it really stop sound and vibrations that well? May try it if it does |
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3rd Mar 2017 12:53pm |
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| grafty99 Member Since: 15 Aug 2012 Location: North Devon Posts: 4786 
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Silent coat is a deadener, it will stop panel resonance and vibration but will do very little for blocking sound. For that you need the thick closed cell foam as shown
 2002 90 Td5 Station Wagon
1990 Vogue SE Triumph Tiger Explorer 1200 Td5 90 Thread http://www.defender2.net/forum/topic50767.html Tdi 110 Thread https://www.defender2.net/forum/topic69562.html RRC Thread http://www.defender2.net/forum/topic54492.html Instagram http://www.instagram.com/george_grafton |
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3rd Mar 2017 1:25pm |
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| barrowg Member Since: 31 May 2016 Location: Surrey Posts: 236
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As shown where??
Cherrs |
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3rd Mar 2017 1:48pm |
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| huffhuff Member Since: 05 May 2016 Location: Home Counties Posts: 379
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The picture above, with the D ring. The black stuff is closed cell foam/mat. I used old camping mats - not sure if its 100% the same stuff. TD5 Defender 90
Discovery 3 HSE |
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3rd Mar 2017 4:35pm |
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| grafty99 Member Since: 15 Aug 2012 Location: North Devon Posts: 4786
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camping mat is similar. The main difference being that it isn't self adhesive and the rolls aren't as wide 2002 90 Td5 Station Wagon
1990 Vogue SE Triumph Tiger Explorer 1200 Td5 90 Thread http://www.defender2.net/forum/topic50767.html Tdi 110 Thread https://www.defender2.net/forum/topic69562.html RRC Thread http://www.defender2.net/forum/topic54492.html Instagram http://www.instagram.com/george_grafton |
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3rd Mar 2017 5:25pm |
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| barrowg Member Since: 31 May 2016 Location: Surrey Posts: 236
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does camping mats work just as well?? |
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3rd Mar 2017 6:37pm |
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| Stacey007 Member Since: 25 Sep 2015 Location: Cheshire Posts: 3754
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Hello
Sorry just seen this again... The silent coat is 2mm thick a sort of metal front (seen on the inside of doors picture) and a sticky back.. Does it work.... Watch this. Then I put the soft cell foam on top, 8mm thick just a spongy foam that has a sticky back. Bought off e bay similar to this I bought a 5m roll I think? http://www.ebay.co.uk/itm/1m-Polyethylene-...Swwo1Xdjdf Then I have the rear carpet over the lot and it all helps |
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3rd Mar 2017 7:44pm |
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| barrowg Member Since: 31 May 2016 Location: Surrey Posts: 236
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how much did it take you to do the whole thing?
does anyone also know how much you'd need to fill a whole 90 roof, and how thick can you make it under the headlining? |
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3rd Mar 2017 8:25pm |
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| Stacey007 Member Since: 25 Sep 2015 Location: Cheshire Posts: 3754
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Hello
So far I've done Passenger footwell Drivers footwell Rear Footwell Seat box and battery box rear boot and up the sides to windows Both front doors. Mines a 110 SW I still have some left. out of 2 bulk box's.. I need to do rear doors, backdoor, roof. Unsure on roof though...don't fancy doing the headlining on my own. I would guess 3 Bulk box's to do my 110SW if I do the roof.. Fairly cheap mod as you can do it yourself and quite easy. I bought a roller (like a decorators one to flatten the panels out) and some alloy silver tape to fill the joins (you can see this in my boot pic) OOh and there is lots of talk you don't need to completely cover an area for it to work... Thanks |
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3rd Mar 2017 8:33pm |
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| Gnasher141 Member Since: 19 Feb 2015 Location: Hemel Hempstead Posts: 28 
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For deadening use self adhesive flashing as sold in Wickes cheap as chips |
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7th Mar 2017 8:46pm |
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| alwoodley72 Member Since: 14 Mar 2010 Location: salisbury, wilts Posts: 724  
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I've used the flashband fake lead stuff from toolstation, works pretty well especially on the bulkhead and it doesn't cut your hands to ribbons..! Also used camping mats on the roof with spray adhesive to good effect, best was 50 mm celotex on my Hicap pickup roof that was toasty warm!!
Cheers. Alex 98 300 tdi 90 project 94 Range Rover vogue 4.2 lse 79 911 sc 08 130 double cab utility |
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8th Mar 2017 6:47pm |
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