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REFLECTOR: Re: Insulation Foam

Dennis, I doubt that the CR foam would deaden sound as well as the foil
sandwiched deadening foam.  That type of foam is quite efficient (the type with
lead foil is very good, I used it in my boat around a diesel engine) and
specifically designed for that purpose.   The CR Foam people just mentioned
that their foam had good sound deadening properties, not that it was
specifically designed for that purpose.


Dennis Martin wrote:

> Jim wrote:
> >They also sell sheets of this foam in all sorts of thickness that has
> >many uses.  They also say that it has good sound deadening
> >characteristics  I purchased two sheets of 1/4" x 36" x 60" 45/55#
> >($10.54 each) to use as underlayment for my upholstering (e.g.,
> >headliner, keel, etc.).
> I called for UNLIMITED's sample packet - this is the system Velocity now
> endorses.  They make a foil sandwich insulation that reportedly cuts DB
> levels by 4-5 points - this is a 40-50% reduction in sound.  Also, it
> reflects 97% of infrared energy, is fire proof, moisture proof, and stops
> any vapors.  Anyway, that's what all the propaganda says about it.
> Now, your foam sounds a lot, lot cheaper.  UNLIMITED would run me $150 -
> $200.  Do you have any reliable data on well it will deaden sound, because
> that's the number one thing I want.  And, if I can get it for $20, then I'm
> buying your material.
> Thanks for sharing this info.
> All the best,
> Dennis
> P.S.  I'm finally cutting real holes in my panel today.  Took me weeks to
> get everything laid out and decided upon.  This was real fun.


// James F. Agnew
// Tampa, FL
// Velocity 173 FG Elite ( http://www.VelocityAircraft.com/ ) under