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I used Frost King self adhesive, closed cell foam, aluminized duct insulation. It comes is 1' x 15' rolls for $19 each. I use 4 rolls on my 1986 Toyota X-Cab interior fire wall, kick panels, floor boards, transmission tunnel (2 layers), and rear panel. Made a huge difference reducing road, tire, and engine noise. Made my stereo sound so much better, as I can now hear low level details. Don't use that aluminized insualtion tape on the seams as it doesn't stick well. Duct tape sticks very well.
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Nov 22, 2005
Dynamat is rubberized asphalt. The asphalt is what adds to the mass of your car's panels to deaden sound, and the rubber holds it all together and keeps it flexible. This material is also called polymeric mastic and is available for a fraction of Dynamat's price from McMaster-Carr. The advantage of buying Dynamat, however, is that the material is lighter and has an aluminum flashing on one side that also helps keep out ambient heat. Covering the sound-deadening material with a layer of jute (hair or fiber carpet pad) will help quiet your car even more and create a soft comfortable feel under the carpets! -
Nov 22, 2005
If you have an old car or truck, take all the seats and carpet out and clean the floor. Use expanding foam (Space Invader is best) used for household insulation and use it as a glue and an insulator for your carpet. Spray it on and lay the carpet down. It works really well!
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Nov 22, 2005
Dynamat is rubberized asphalt. The asphalt is what adds to the mass of your car's panels to deaden sound, and the rubber holds it all together and keeps it flexible. This material is also called polymeric mastic and is available for a fraction of Dynamat's price from McMaster-Carr. The advantage of buying Dynamat, however, is that the material is lighter and has an aluminum flashing on one side that also helps keep out ambient heat. Covering the sound-deadening material with a layer of jute (hair or fiber carpet pad) will help quiet your car even more and create a soft comfortable feel under the carpets!
