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Super Soundproofing™ “HOOD LINER” is Great!

Car CuteawayBy 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. (Or our “Peel-N-Stick”)  Very durable. Effective to over 225 F.  Won’t burn either.

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 in 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. (2″)  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.

Cut mat into panels and cement into the car body.

SIZE:  Standard mat is 1″ thick. It comes as a 48″ X 48″ panel and is shipped by post or UPS in a roll. Or you can buy lengths cut from roll material.

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.

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!

Get the free booklet: “How to Soundproof Light Aircraft“! Info applicable to boats and cars, too.

SHOWN:  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.


 

Second method- (Takes more time and material, but esthetically worth it).

This requires four layers of ¼”:

The first one covering only the  8 small triangles of the hood,

The second one on top of the first one covering the 4 big triangles,

The third layer on top of the previous two layers covering the right half and left half of the hood,

The last one covering everything and it is the only one you can see in the picture.

hood liner

Best to lay out and cut the last  layer (one piece) that covers the entire inside of the hood first, then use the remaining material to cut the small pieces as shown.

Don’t buy the material that has  PSA,  (Pressure Sensitive Adhesive), use 3-M High Temp contact cement instead.   The material that was used in the above project was 12 Lineal feet long (4′ wide).

MORE INFO

You can call us if you need help! 1- 760-752-3030 9-5 Pacific time 5 days. Or use the box below!

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