Re: [FWDLK] Undercoating and Sound Deadner
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Re: [FWDLK] Undercoating and Sound Deadner



I used some "Brand x" version of rhino liner on my wheel wells.  I think
it's called Duraliner.  We also used it on a friends trunk pan.   It
dried to a glossier finish when compared to undercoating.  Not bad
though.  I got it at one of the chain auto parts stores, like Auto Zone
or Pep Boys.  1 gallon can comes with a small, coarse roller for
application.  I found it easier to use a stiff paint brush in the wheel
wells.  Was something like $80 for a gallon but I still have  half a can
left.

I'm not sure it will do as good a job of sound deadening as some of the
material that comes in a roll.  I once bought a coupe rolls of that
really dense, tar/rubber-like material from CARS Buick supply of
Neshanic, NJ.  You glue it to the sheet metal on interior parts of the
car. It does a great job of absorbing vibration from the metal AND
acting as a sound barrier against road noise.  Its very desne and heavy,
although its only about 1/8 -  3/16" thick.     Here is a direct link to
the product at their online store:
http://www.oldbuickparts.com/cgi-bin/checkitout/checkitout.cgi?somersetSTORE:CKIE:prodSD300-1+

If that link doesn't work, just go to www.oldbuickparts.com, and click
your way to their online store, then SEARCH for "sound"
Other places probably have it.

Also, I always use an extra layer of jute carpet padding under the
carpeting, under the back seat, and between the back seat and the trunk,
and under thre trunk mat (if possible)  for added sound absorption.
Nowadays that stuff is getting harder to find, so you use that thick
gray felt-like padding instead (which is not as messy, because jute
sheds all over the place).

Regards,
Lou


Scott H wrote:


Having spent A LOT of hours scraping off factory sound deadner and
undercoating form my 1956 Dodge I am very hesitant to re-apply
anything but
paint on the metal.  BUT man does this old iron sound like the inside
of an
oil drum.  The bottom of the body is painted with POR-15 and I dont
want to
do anything else on the outside.
For the interior floors I am going to use a sound absorbing/heat
reflecting
mat under the carpet.
Inside the doors I think the best thing is to use a stick on sound
deadning
pad like Dynomat
What I need to decide on is the inside of the LOOOOONG quarter panels,
inside the trunk and the inside/bottom of the front fenders (these things
really echo).
I was thinking that a spray on material like rino-lining bedliner
might work
well. For the fenders it will work to absorb sound and as serve as an
undercoating since the fenders do not have full wheel ewells this will
protect the inside of the fender from stones tossed up by the tires. Iin
thetrunk it will have the added benefit of stopping things from sliding
around so much but I plan on putting a carpet in the trunk also.
Has anyone done this or used something similar. I think I heard that 3M
makes something but do not recall what it is called.

Scott
1956 Dodge Custom Royal Lancer
2002 Dodge Ram Quad Cab

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