I went with Dynamat, a bit pricier, but maybe 20 bucks over some of the other materials. Think I paid about $150 for a one-box quantity. This was about 6-7 years ago. Some left over material I put in the inside fender areas. Also used HVAC adhesive insulation on the doors. I had some reduction in noise, but my car is a droptop so there's - that, lol.
Sound deadening advice
- Thread starter dcw88
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I have nothing but good things to say about Kil Mat. heat is down. Truck is very quiet (67 Jeep Gladiator that sounded like you were in a tin can). Adhesion is no issue. It was done 3 years ago.
Doug
Thanks Doug for input
Figured 36 square feet should do my 70 roadrunner
Do any of these products have an adhesive backing or do they are need to have the panels sprayed with adhesive?
The material is self adhesive
Material I used, Dynamat, as others I checked into, have a heavy wax-like coated backing that is peeled away as it is laid in place. The adhesive is a tar-like substance. Set it nice and square at the start as once the stuff is stuck down, there’s no 2nd strike, at least with the stuff I used. I peeled away just enough to get a start then peeled back more of the backing several inches at a time moving along. Use a roller to get it adhered to the floor crevices, tunnel and such before pulling away more of the backing to avoid any folds or bubbles. A few areas I found using a hair dryer helpful.
Kil Mat is peel and stick. Once it's stuck it's stuck good.
Doug
Most I’ve checked are butyl and sticky
Maybe 10 Years ago i used 'second skin' out of Tucson AZ for my 73 challenger. It was great stuff, but i don't know if they even exist any more. I can find the address, 9121 E Camino Abril Tucson AZ 85747, but no website.
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