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Old 10-04-2007, 02:22 PM   #1
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Buying Dynamat?

I need some Dynamat or something similar- A local sound shop has 20 sqft "Trunk Kit" for $139 and a 36 sqft. "Bulk" for $224, which is like $6-8/sqft.

I'm looking on eBay but I'm finding a lot of product rip offs ("REIN Mat") instead.

I'm looking to do the doghouse and fridge-
how much do I need for the doghouse?
where is a good place to buy?
what's a good price?

also how thick should I look for?
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Old 10-04-2007, 05:31 PM   #2
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I found this company when I was looking into Dynamat ... haven't bought anything from them yet but the prices look lower than what you have found so far.

http://www.hifisoundconnection.com/Shop ... GgodLQR2Dw

Good luck
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Old 10-04-2007, 05:45 PM   #3
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i got some Dynamat Extreme from Crutchfield when I ordered my new head unit/speakers. I ended up getting the Door kit I think , it had enough for the doghouse and I still have about 1/4 - 1/3 leftover and was only around 89.00 or so. the fridge could be a good idea w/ some of my leftovers. What do you need to remove to slide the fridge out? Is it the black metal trim??

Cheers,

D

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Old 10-04-2007, 05:49 PM   #4
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I'm planning a fridge pull write up, but basically you remove the bottom grill then pry off the side molding from metal tabs, then there are 4 screws. That's the 4 cf model. I'm sure the 3cf is similar.
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Old 10-08-2007, 09:18 AM   #5
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The best price I found locally for the 20 sqft trunk kit was $149 and I ordered it from hifisoundconnection for $85.63 shipped, with a roller.

Thanks WanderDog!

Now I have to wait on the big brown box truck.
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Old 10-16-2007, 12:40 PM   #6
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Hey WanderDog let me know if and when you buy from hifi - they gave me a $5 coupon you can have (for $100 or more orders though)
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Old 11-16-2007, 11:42 AM   #7
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Just a little bit of experience to pass on. I have one layer of "fat-mat" inmy cockpit above that a layer of dynamat extreme, and above that the dynaliner. On the 'dog-house' I have two layers of extreme and a hoodliner, and in the rest of the van "fat-mat" and spots of dynamat.

DO NOT use fat-mat. I got it on ebay at a much lower price then dynamat and all was well until I wanted to add the dynaliner when I found that in the spots it heated up the fat mat was melted. Multiple spots, a lot of melting and next to impossible to get up. Beware of cheaper sunbstitutes for dynamat.

The difference before and after, is significant, it is still a little noisier then I want; but it is a diesel van. The hoodliner is a must, it rocks and it cuts down on the temp on the floorboards by 100%. Any help I can give drop me a line.


Nate
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Old 11-16-2007, 01:41 PM   #8
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I used rubber flashing with aluminum backing to soundproof my previous car. It is designed to seal roofing, so it should not melt....although I would always keep rubber material from very hot areas. You can get it in rolls at any home supply shop.

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Protecto Wrap's building tape BT20 XL is a new tough-faced superior self-adhering, air/vapor barrier and waterproofing membrane for vertical and horizontal above grade substrates. BT20 XL seals window perimeters to building substrates to create an impenetrable barrier. This 20-mil polyethylene backed aggressive rubberized adhesive membrane can be applied to vinyl, plywood, OSB, concrete, metal, aluminum, polyethylene, building wrap products, block and masonry surfaces to form an air/vapor moisture barrier system. BT20 XL is the only window sealing tape that can be installed and left exposed for 180 days without any UV degradation. This Window Flashing Tape is one of many top quality items in our Flashings department

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Old 11-16-2007, 03:11 PM   #9
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Nate -

Could you detail a little more where you put the Hoodliner to cut down heat. Although I'd love to cut noise down a little more, I really want to knock down the heat transfer into the cab from the engine & exhaust. That is my next project to tackle.

Thanks -
Phil
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Old 11-16-2007, 03:14 PM   #10
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Jage , Contact Anthony at www.secondskin.com in Phoenix Az. very helpful and offer's a less costly more efficient products that outperform any of the products that I have used including Dynamat products . Very easy installation as well !
Greggde
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