 | Home > Maintenance & Modifications > Soundproofing my 90! |
 
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| YOLO110 Member Since: 14 Feb 2015 Location: Perth Oz and Stansted UK Posts: 1633  
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Having driven my 90 for a few thousand km, I thought it was time to make it a more pleasant environment to live with, especially with reducing the road noise! After much reading on here and other forums, I decided on a strategy, fitting Dynamat Extreme, then a mass loaded vinyl, then a quality carpet with sound deadening properties as well!
The whole lot has been work in progress for several months... I went through a phase of wanting to leave the rear seats out and just install a rear cargo drawer leaving me with a lovely flat floor! But having driven around without seats for a couple of months, the practicality of that waned and I decided to proceed with the rear seats installed! So, first job was to remove the rear seats (heavy!) and all the associated hardware! Dynamat installed, very sticky stuff so you have one go to get it in the right place! I made templates for the forward end of the wheel wells and over the fuel filler cap. Being summer in OZ, it was lovely and sticky from the get-go, but a good hard roller ensures a nice finish!  Click image to enlarge It took 2 full packs to do the entire area, minimal wastage. Click image to enlarge Once the dynamite was down, it was much quieter! I was very surprised how such a thin layer worked so well, stopping the panel vibrations and resonance makes a big difference! Click image to enlarge Then came the mass loaded vinyl. Lots to choose from, but I finally settled on a product made by pyroteknc called Wavebar Quadzero. I chose the 4KG/meter version... It's only about 2mm thick and quite flexible. It offers a big jump up in sound absorption from the 2kg stuff, but is nearly as effective but is not as thick as the 8kg/meter version which was 5mm. I use my carpet sections to mark up then cut out templates for the Quadzero. Easy to cut using a craft knife. I then used SikaFlex contact adhesive to secure this in place over the top of the DynaMat. I did this outdoors with all the windows open and a respirator mask on as this glue stinks! Again, the contact adhesive is VERY sticky so definitely a once only chance of getting it in the right place and alignment from the get-go! As a 'one man job', this was challenging as it's heavy too! One side done! Click image to enlarge All done! Click image to enlarge The combined thickness was now the Dynamat plus the Quadzero! Too think to re-install the seat frames to line up with the holes, so I cut around these and peeled off the Quadzero leaving just the Dynamat. This was perfect. Click image to enlarge Next came the carpet install! I had decided to use the great product made by LRI in the UK. Apparently it is Jaguar carpet, it's certainly a nice quality. In view of the fact that I may want to remove the carpet for cleaning or access, I decided not to use contact adhesive, but rather industrial strength double sided tape to fasten it in place. Some careful measuring up using 4 lengths. Despite the self stick of the tape, it was till not enough too really stay secured to the back of the carpet, so I once again used contact adhesive to secure the tape to the carpet face. Click image to enlarge Click image to enlarge Both sides now installed. Some very minor trimming required but otherwise a perfect fitting carpet from LRI. The only pieces not included for some reason were the wheel arch faces and the fuel filler neck. I bought a small piece of black automotive quality carpet and using the same templates I had used for the dynamat, I cut out pieces to suit and contact adhesive these in place. Click image to enlarge The floor piece is thicker and comes with a sound deadening material backing. Once again, this fitted perfectly with no trimming required. Very impressive from LRI, thanks! Click image to enlarge Finally, got the seats back in, heavier to re-install by myself! I finished off the job by replacing and installing the rear door 'kick strip' with lovely brushed Stainless Steel versions from Brendan at 4X4 Overland. Spot on fit and looks very smart! Click image to enlarge Really pleased with the whole job! Not only is the Defender MUCH quieter now (my other half even commented on it!) but it looks really great too! Plans now to do the front in the same way! Cheers, Pete  YOLO... You Only Live Once... |
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7th Feb 2016 12:43am |
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769  
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Excellent work and write up
 Ray
My build thread http://www.defender2.net/forum/topic17615.html |
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7th Feb 2016 1:41am |
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| YOLO110 Member Since: 14 Feb 2015 Location: Perth Oz and Stansted UK Posts: 1633
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Slight amendment... I did not actually use all of both packs of Dynamat! About 1.5 packs I think, so I do have enough left for the front... I hope!
And yes, the improvement is great... I don't have to turn the radio volume down when I slow down! Cheers! YOLO... You Only Live Once... |
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7th Feb 2016 8:24am |
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| Pickles Member Since: 26 May 2013 Location: Melbourne Posts: 3755 
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Pete, AWESOME job mate,........AWESOME.
I wish I had your skills. Well done, Martin. |
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7th Feb 2016 9:23am |
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| Wild Card 90 Member Since: 03 Dec 2014 Location: Gerlingen Posts: 1060 
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Excellent write up, Pete, and a beautiful job done.
 1998 Tdi 90 SW,
2008 Td4 90 SW, 2012 2.2 90 SW, 2" raised Trailmaster/Terrafirma Heavy Track Raids, 255 MT´s, Recaro CS´s, anorak, wellingtons |
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7th Feb 2016 9:25am |
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| Ryderoo Member Since: 28 Aug 2015 Location: South Bucks Posts: 1658 
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Nice job, I had Chris @ CSK do mine.
Good write up with excellent pictures.
Just........ . . One........ . . Slight ....... . . Criticism....... . . . . You have not matched the pattern on the dynamat 
Excellent job mate, wish I had time and skills for this. Cheers Simon
I can explain it to you, but I can't understand it for you 1990 110 TD5 county, my first Land Rover - gone 2012 Discovery 4 XS SDV6 - gone 2014 Discovery 4 XS SDV6 - gone 2015 Evoque SD4 dynamic - Wife’s - gone 2015 Urban Truck 90 XS Santorini Black Hard Top - Reluctantly gone 2020 Discovery 5 Eiger Grey 3.0 SE - gone March 24 2021 Defender S D250 Santorini Black 110 HT - gone March 24 2023 Evoque P300e SE wife’s current vehicle |
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7th Feb 2016 10:02am |
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| redline Member Since: 28 Jun 2015 Location: Mountains and Lakes Posts: 221 
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Very nicely done! I'm just in the middle of doing mine, and now know that its not as easy as it looks to do a tidy job...
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7th Feb 2016 10:16am |
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| YOLO110 Member Since: 14 Feb 2015 Location: Perth Oz and Stansted UK Posts: 1633
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Cheers for the comments guys!
This is one of those jobs that gives you immense satisfaction, before, during and after! YOLO... You Only Live Once... |
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7th Feb 2016 11:28am |
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| p_jeeeee Member Since: 08 Jan 2012 Location: Flanders Posts: 75  
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is realy looking good!
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7th Feb 2016 12:03pm |
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769
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It also gives you loads of cuts on your fingers if you don't wear gloves  Ray
My build thread http://www.defender2.net/forum/topic17615.html |
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7th Feb 2016 12:08pm |
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| Anderzander Member Since: 08 Feb 2011 Location: Lancashire Posts: 999 
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And it really isn't difficult to do - I'd encourage anyone hesitating about whether they could do it - to do it
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7th Feb 2016 12:30pm |
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| YOLO110 Member Since: 14 Feb 2015 Location: Perth Oz and Stansted UK Posts: 1633
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Agreed!
And not a spot of blood spilled... AND I take Warfarin too!  YOLO... You Only Live Once... |
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7th Feb 2016 12:32pm |
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| L110CDL Member Since: 31 Oct 2015 Location: Devon Posts: 10513
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Nice job done YOLO110
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7th Feb 2016 10:08pm |
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| Venomator Member Since: 25 Aug 2014 Location: Peterborough Posts: 2087
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Finally...
Well done job Pete, you should be very happy and proud of that mate...
And a bloody good write up with plenty of time for pics along the way too, awesome, as Martin has said, AWESOME...  Rog...
The GREEN One... MY2016 Urban Truck Build Thread - http://www.defender2.net/forum/topic40548....al[/color] |
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7th Feb 2016 11:14pm |
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