Project sound insulation, Determined to get rid of some road noise Options

[GotToyota]

Alright guys, I decided to tackle a project similar to what a member on here did by getting rid of some noise with a carpeting material. I'm attempting the same thing, except with my door panels and rear panels. I went to Home Depot and bought a 6'x9' roll of carpet padding for $30, along with a can of 3M rubber and vinyl spray adhesive. I already tried to deaden the sound a bit by using some extra Dynamat I had, but it didn't help much at all. Spray the door panel on the areas where you will be placing the padding, then rip pieces to the size of your choice and place accordingly. WARNING: You might want to let these panels sit overnight, because the smell isn't too pleasant.

Pics of the materials:


Starting door panel:


Door panel finished:


After I get everything finished I'll let you guys know how well this worked. I spent $40 in materials with tax, so it would be a pretty cheap solution to getting rid of some exterior road noise. Not the prettiest solution, but I feel it should help out greatly.

-Matt

[stephen_lee]

update! today a lot was done.
foil/foam was put into the doors, rear panel, quarter panels(f&r), and floor.
carpet padding was added behind every interior piece and under the carpets.
spray glued padding was added to door panels, under cabin carpet, under hatch carpet, behind trim pieces around rear speakers, and trim pieces in thte hatch, including the hatch it self.

the drive:

City driving 0-40 was partially quieter, worth the cost of the foil.
highway driving 45-70 was substantially quieter. well worth the money/time put in.
i had to talk to myself to remind and compare how quiet it really was.

what still needs work:
1. Roof..
2. A-pillars
3. firewall
4. HVAC

This car is my daily, and i have another celica for project/fun driving, so i want this to be the most comfortable, yet kinda sporty, ride.