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Thread: Need a good source for sound damping material for the roof of my Defender anyone know

  1. #1
    Join Date
    Feb 2007
    Location
    CT Coast, Stowe, Palm Beach, Nantucket
    Posts
    321

    Default Need a good source for sound damping material for the roof of my Defender anyone know

    where I can find a good product? I have been trying to find closed cell foam sheets but have had no luck and I don't want to use that "mouse food" stuff that Land Rover used. I'd use dynamat but that would cost a huge $$$ to do the whole thing.

    Any thoughts?

    Thanks!

  2. #2
    Join Date
    May 2007
    Location
    Bloomfield, CT
    Posts
    1,382

    Default

    I don't know what the material is called, but when a friend was building his new house, the plumbing contractor put down a closed cell plastic sheet underneath the radiant heating tubing before they poured the concrete floor of the basement and garage. The material was about 3/8" thick, came in a roll about 8' wide, and one side was aluminized. It had a honeycomb construction. It was used to prevent the radiated heat going downward. If it can act as a heat insulator, it would also, likely, work well as a sound insulator. Eitherway, both would be nice additions in a drafty, noisy Defender. It would be so easy to cut sheets and glue them to the underside of the headliner, inside the doors, etc.

  3. #3
    Join Date
    Jan 2007
    Location
    Boulder, CO
    Posts
    13

    Default

    Try this.... http://www.b-quiet.com/

    They have all types of sizes, even stuff for under the bonnet!!

  4. #4
    Join Date
    Sep 2007
    Location
    Beaufort, SC
    Posts
    22

    Default

    Try McMaster Carr, http://www.mcmaster.com/, product search for "3394" and you will find everything you need. The best is the Acoustical Foam/Lead Absorber-Barriers, but it is really really pricey, but the standard skinned or foil faced ones ought to get the job done nicely.

  5. #5
    Join Date
    Nov 2006
    Location
    CT
    Posts
    290

    Default

    I used foil-faced foam from Homo-Depot (normally used under vinyl siding on your house); about 1/4 inch thick on the roof, and 1 inch thick on the roof sides. Excellent thermal as well as noise insulation, but a soft interior surface will absorb more sound than what is behind it. I have a 3/4 inch rubber mat on the floor and on top of the wheel wells in the rear of the 110. This also deadens a lot of noise from below.

    For road noise, usually the tires are the culprit, and not a whole lot can be done about it (except getting less aggressive tread).

    Under hood insulation is great for engine noise (particularly a diesel) but also the new one-piece foot well inserts are better than the older ones by far. I also run thick rubber mats under the factory (thin) rubber mats on the floor in front.

    Also, the rubber cover for the metal rocker cover on the 300Tdi deadens a lot of racket from the engine... This might fit a NA diesel as well as a 200Tdi as wel- I've never tried it, but it may work.
    Photographer / writer for LRM (until they screwed me).
    1995 110 Regular
    300Tdi, Series and Defender repairs in CT

  6. #6

    Default

    Quote Originally Posted by J!m
    Also, the rubber cover for the metal rocker cover on the 300Tdi deadens a lot of racket from the engine... This might fit a NA diesel as well as a 200Tdi as wel- I've never tried it, but it may work.
    Any idea where I can get one? I have a 2.8 TGV diesel in my 110, and am looking to quiet the diesel noise.

  7. #7
    Join Date
    Nov 2006
    Location
    CT
    Posts
    290

    Default

    I'm sure Les from RN can find one for you...
    Photographer / writer for LRM (until they screwed me).
    1995 110 Regular
    300Tdi, Series and Defender repairs in CT

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