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Has anyone used dynamat on their doors? I took the panels off today and couldn't believe how much the doors rattle. I've read about a guy using some generic sound mat to replace the vapor barrier in a Toyota MR2, but I'd rather use dynamat instead. Anyone know where to apply the dynamat? I don't want to blanket the doors with it, I'd like to do both doors using a $20 roll (about 3-4 sq. ft). Thanks!
 

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well, when i did my doors, i was able to find a picture of the door panel. i just covered the entire door with dynamat, i mean the entire door panel. i studied the door before i did this and the looked at the picture....then i just cut out the vital pieces that needed to be cut out. the doors didnt rattle at all and the sound was kick ass.
 

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Don't buy DynaMat, buy the generic stuff. Seriously, it's the same stuff, you'll get the same benefits, and you'll pay a helluva lot less. Besides, the general opinion seems to be that 2 layers covering the entire door is pretty much a minimum for any significant noise reduction.

Most people figure at least 15 sqft per door. If you're buying dynamat at $20/5 sqft, that'll be $120. Now if you buy eDead (raammat, secondskin, brownbread, peel n' seal, or anything else similar) you can get 60 sqft for $70. That ought to get both doors and then some.

If the only thing you want to do is stop rattles, and only spend $20, get some closed-cell foam and stuff that between the door and the door panel. If you want noticeable noise reduction, you've gotta spend more than that.
 

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You have a number of options. I'll list the product and manufacturer here. Keep in mind that everyone has their favorite, but there is no clear 'best product' available. You can find people saying good things and bad things about everything. The only consistent comments are that DynaMat sure isn't worth the price, and 'the more the merrier'. In other words, try 2 layers minimum to actually reduce the noise level, and look for the thick stuff, 60 mils. Some of these smell more than others, but in all cases the smell does go away within a few days or less. Beware shipping costs, particularly with Peel & Seal, it took me awhile to find a good shipping rate, which is the vendor that I've listed here.

PS - I have no idea if these places ship to Canada or not, drive south and get a PO Box :p

eDead (v1 and v2) - Elemental Designs v2 is 60 mils, v1 is 45. I liked the price of this stuff enough to order myself a roll.
http://www.edesignaudio.com/ep/edead.htm

Raammat - Most popular is 60 mils, can also be found on Ebay sometimes.
http://www.raamaudio.com/products.htm

Fatmat - they have a range of products, seems to be 45 mils
http://www.fatmat.com/

Second Skin - 45 and 60 mil thicknesses
http://www14.brinkster.com/hazyj/SSAPage.htm

Brown Bread & B-Quiet - 20 - 63 mil thicknesses, lots of info on how their stuff works, and why they say it's better than DynaMat
http://www.b-quiet.com/

Peel & Seal - popular roofing material, 60 mils I believe. I've heard enough people complain about this stuff sliding off of vertical panels in extremely hot/humid climates that I won't put it on my doors. I WILL use this for every horizontal surface in the car (floor, rear deck, trunk, etc)
http://www.mfmbp.com/peelseal/
Vendor - They quoted me $85 shipped for a 100 sqft roll
http://www.a-f-insulation.com/
 

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So have anyone used the "cheap stuff" and is still satisfied with the results?
 

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I used Raammat, stuff sticks like crazy. Been about 3 months since I installed a few layers in the doors, 3 months in florida summer heat, and it's still sticking. (surprised because i didn't even really clean off the door surface) Road noise was cut down quite a bit. Will cut it down more whenever I find time to do the entire car. plus dealing with Raammat's sales guy/owner is a pleasure, seems like a great guy and shipped everything out real quick.
 

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Just find someone that works at a retailer that sells Dynamat. The stuff is insanely marked up. Like at least 2/3's to 3/4ths the price that employees get.
 

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cascade spray cans works pretty well
 
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