Sound Deadening

kyled said:
If you do a solid prep job, you could use Peel & Seal (the roofing material). Might require a little more research to accomplish, but I've heard it's a cheap alternative to the professional stuff. One of my buddies used it for his old Camry and it worked like a charm...as far as I've heard.
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David,

MY old company now offers the same product they make for Ford and Chrysler in an aerosol.

It is the product they(vehicle manufacturers tested), for years, as a sound deadener and an undercoating product.

The key is that is does not "promote" corrosion as many on the market do.

What I am saying is that most of these advertised products start to "pocket" after a year or so of being applied. The "carrier solvent" starts to evaporate from the product, it drys out and starts to "crack", create areas that corossion may enter and stay there, and since the corossive elements are held against the metal, and moisture enters, "rust" happens.

These products "dry" and "crack", leaving an enterance for corrosive salts, water, etc to get between the paint material and the metal. That action is referred to as "pocketing", and not good in the long run.

The product contains a percentage of the same rust inhibitor that stops rusting from happening.

Most of the products out there are just some by-product of an asphalt plant, which they market as an undercoating or sound deadener.

Folks can order that Ford or Chrysler product in aerosols from their local dealers or get it under my old companies brand direct from ValuGard.

They may also obtain the rust inhibitor in aerosol form from the same sources.

As you are aware, before I retired, I worked with not only these manufacturers, but others to deal with corossion issues for federal recalls and body repairs. as well as being a corossion advisor for I-CAR regarding these issues.

Just something for those who wish to have proven products to satisfy their needs.

Grumpy
 
Is there a light weight solution. I have been wanting to do this for a while but afraid of the added weight. My main problem is my gas cap door, its horrible. Other parts are my doors and trunk. I have an 07 mazdaspeed6 the car is already pretty heavy so trying to make this as light weight as possible.
 
Unless you're tracking it, the weight difference is unnoticeable if you do it right. The deadener doesn't need to fully cover all panels, but the lightweight blocker does need to cover everywhere.
 
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