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(c) 2008 Super Soundproofing Co
Super Soundproofing "HOOD LINER" is
Great!
By popular demand, we make it
easily available and with vast improvements.
WHY? The biggest problem with a car or truck noise reduction is that sound is coming right up through
the hood- then through the windshield. (Because glass is almost transparent to
sound!) Car engine noise mixed with road noise blows right through into the
passenger compartment. Auto generated sound is mostly low frequency, the
hardest sound to block or absorb.
WHAT IT IS: A closed cell expanded vinyl-nitrile foam in the form of a mat, one
side smooth for applying an adhesive. You can use a spray-on or contact cement.
Very durable. Effective to over 225 F.
PURPOSE: Used as a hood liner- sound barrier/absorber for soundproofing the
car engine compartments of cars and trucks, it is also useful for boats, (won't
absorb moisture) and RV's and their generator compartments.
INSTALLATION: For auto/truck car engine hoods, remove the hood, (mark your bolt mountings)
remove/discard all the old insulation. Use the thickest mat possible. Plan to trim it to clear obstructions when the hood closes. Place hood on a worktable with the underside up. Clean
the metal thoroughly and carefully cut your mat to fit, then apply the adhesive to both
material and hood. Apply and press down well. If mechanical fasteners were
used on the original material, reuse them if possible. It won't hurt to use some
sheet metal screws, large area washers or upholstery snaps to help retain the
mat over time. Trimming can be done with an electric "Turkey Carving" knife or sharp razor
knife. Trim to fit around the air cleaner, etc. Can be used on engine side of
the firewall too.
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Cut mat into panels and cement into the car body.
SIZE: It is 1" thick. It comes as a 48" X 48" panel and is shipped by
post or UPS in a roll.
COST: $82.60 plus shipping. This works out to only $5.15 per sq ft.
Compare with thinner "Dyna-mat" and other specialty foams at $8.93 a sq. ft..
and more!
Car engine hood removed from Dodge Caravan with factory "crap mat"
removed and cleaned for installation of "Super Soundproofing" 2" thick
closed cell vinyl nitrile mat.
This kind of
mat is also useful for reducing "rumble"
transmitted from the trunk to the passenger compartment.
You can use any thickness of "Super Soundproofing Mat" and stick it together
with contact cement if the above thickness is not right for your project. See
the free booklet. below.
Vibration
damping pads work by changing the ringing frequency (deadening) of the metal
panels to which they are attached.
Professional car restorers use Soundproofing
Liquid for
application on metal surfaces such as trunk areas where reverberation is a
problem in high end sound installations! 2-3 gallons will provide several buildup coats to the entire floor area of a vehicle, greatly reducing road noise!
