<VV> Re: Sound damping roof

[Bob Earls]

Hank, what's wrong with Dynamat?  I did the entire inside of my Corvan with it
(which was like sitting inside a drum) and now I can carry on a normal
conversation in it on the freeway with the stereo at a reasonable level.  The
factory puts sound deadener on the roof because it acts like a big speaker
right above your head...from all the harmonics throughout a car.  A put
Dynamat throughout my 66 Corsa and it quited up considerably.  In the rear you
put it everywhere...floor, inside the quarter window spaces, all along the
package tray area, behind the seat.  The idea is to keep every (flat) piece of
steel from vibrating.

New cars (more upscale ones) have about 300-400lbs of sound deadening (similar
to Dynamat) in them.  I know Dynamat is expensive, but I've found it to be the
best.  There's 2 types: Original Dynamat and Extreme Dynamat.  The extreme has
an aluminum sheeting that also assists as a heat barrier.  Either style, it's
worth it.

Bob in Portland

        "Cogito eggo sum"
(I think, therefore I'm a waffle)