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Old 08-29-2008   #1
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Default Home depot "dynamat" for real this time?

Picked up a couple rolls of this today, butyl with aluminum. Feels very very much like some of the expensive stuff out there....though I'm no conniseur.

I've always had the theory that the sound deadening we're sold it high priced re-branded some sort of industrial use something or other.

Anyway, this stuff =comes to a little over a buck a square foot. vs. 4$ or so for the name brand stuff.

http://www.homedepot.com/webapp/wcs/...4&ddkey=Search

Anyone seen this yet? tried it? I was going to do my floor today, but installed an extra sub and another pair of 1KW amps....I'm not sure what happened exactly, I guess I got a little sidetracked. I won't get a chance to put this in til late next week now, but for 16$ someone else ought to compare it to the name brand stuff (like someone who has name brand stuff floating around)
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Old 08-29-2008   #2
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Default Re: Home depot "dynamat" for real this time?

Your link says "This Product is Currently Unavailable/Product Error"

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Old 08-29-2008   #3
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Default Re: Home depot "dynamat" for real this time?

Quote:
Originally Posted by Hispls View Post
Picked up a couple rolls of this today, butyl with aluminum. Feels very very much like some of the expensive stuff out there....though I'm no conniseur.

I've always had the theory that the sound deadening we're sold it high priced re-branded some sort of industrial use something or other.

Anyway, this stuff =comes to a little over a buck a square foot. vs. 4$ or so for the name brand stuff.

http://www.homedepot.com/webapp/wcs/...4&ddkey=Search



Anyone seen this yet? tried it? I was going to do my floor today, but installed an extra sub and another pair of 1KW amps....I'm not sure what happened exactly, I guess I got a little sidetracked. I won't get a chance to put this in til late next week now, but for 16$ someone else ought to compare it to the name brand stuff (like someone who has name brand stuff floating around)

It's not really the same type of adhesive in Second Skin, but I would venture to say it's close to or identical to Raam Mat or B Quiet. Here's a section of text I took from the link you gave:

"rubberized asphalt adhesive"

In my opinion I would use this instead of anything but Dynamat Extreme and Second Skin. It should work!
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Old 08-29-2008   #4
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Default Re: Home depot "dynamat" for real this time?

Quote:
Originally Posted by mikey7182 View Post
Your link says "This Product is Currently Unavailable/Product Error"
I clicked the lin 30 seconds ago and it worked. I read your post and it didn't work then...you jinxed it!!
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Old 08-29-2008   #5
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Default Re: Home depot "dynamat" for real this time?

I used PEEL & SEAL from Lowe's on my Mazda CX-7 and it have been working perfectly, no peel off at all, holds strong. 36" x 33.5' Roll for $80

My old Dynamat feel off on my trunk in my old car, PEEL and SEAL haves more sticky glue.






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Old 08-29-2008   #6
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Default Re: Home depot "dynamat" for real this time?

Quote:
Originally Posted by GLN305 View Post
It's not really the same type of adhesive in Second Skin, but I would venture to say it's close to or identical to Raam Mat or B Quiet. Here's a section of text I took from the link you gave:

"rubberized asphalt adhesive"

In my opinion I would use this instead of anything but Dynamat Extreme and Second Skin. It should work!
I didn't think that raammat bxt had asphalt. Thought it was pure butyl. So, why do you put dynamat and second skin in a different class than the other pure butyl options?
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Old 08-29-2008   #7
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Default Re: Home depot "dynamat" for real this time?

Quote:
Originally Posted by txbonds View Post
I didn't think that raammat bxt had asphalt. Thought it was pure butyl. So, why do you put dynamat and second skin in a different class than the other pure butyl options?
FYI I just sold two rolls of Raam Mat after working with it in a friend's car. It comes off easily with mineral spirits and is extremely sticky, much like older peel n seal when it got hot. I don't see how it could be pure butyl. Second Skin and Dynamat are superior products. I have worked with most others and they just don't stick as well as SS and Dynamat. I have two rolls of BQuiet sitting here right now and I honestly can't tell a difference between it and Raam Mat, looks the same, feels the same, is just as messy, smells the same and when I was cutting it into sheets, the adhesive gummed up the knife exactly like Ramm Mat did. While I was in Germany I used Second Skin, Dynamat and two products sold there only, once called Sinus Live and another that was distributed by the JL Audio Distributor. This second product was not manufactured specifically for vehicles, but for industry. It had a grey butly adhesive that was very high quality and had aluminum that was thicker than any others I have seen period. I just hate to see people buy overpriced peel n seal. Go Second Skin of Dynamat Extreme or head to Home Depot or Lowes.
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Old 08-29-2008   #8
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Default Re: Home depot "dynamat" for real this time?

Well, that's news to me. I don't know that I've seen anyone else equate Raammat BXT to peal and seal. I don't have any SS or Dynamat on hand to compare, but I do have Raammat BXT and can say it doesn't act or smell like asphalt mat that I used back in the 1990's. Everything I've read seems to claim it is butyl only with no asphalt.

However, it is sticky as hell when it's hot, and it will gum up a knife. it does clean up with goo gone though. I've not seen any problems with it sticking though. So far, it has worked well. I'm applying my remaining 40+ sq ft tomorrow in my front doors.
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Old 08-29-2008   #9
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Default Re: Home depot "dynamat" for real this time?

I used peal and seal on the trunk floor of my Civic and I won't be using any more. My car smelled like I was having a commercial grade roof installed for weeks after using this stuff. I will probably go with Second Skin for the doors, and possibly some other noise killing stuff for the floor. Rather than diving in all at once, I am doing my older car in stages!

Unfortunately, all is on hold while waiting to see what hurricane Gustav is going to do.
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Old 08-29-2008   #10
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Default Re: Home depot "dynamat" for real this time?

Sorry...link works for me, but from home depot.com type "quick roof" in the search bar and it'll come up.

Does have a slight asphalt scent (but nothing like the stuff we used in the 90's!).

The last home depot product I used was "protecto-wrap" which is pure butyl but with no foil. Never could find the peel n' seal, but then again, we don't have lowes around here.
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Old 08-29-2008   #11
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Default Re: Home depot "dynamat" for real this time?

Well, could it be used in the trunk only if it gives off a smell? Or would it still stink in the interior?

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Old 08-29-2008   #12
 
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Default Re: Home depot "dynamat" for real this time?

i have fatmat on the inner skin of my door. been holding for 3-4 with no probs. i removed fatmat from the outer skin of my door and put edead and i have regretted it. should have kept the FM on
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Old 08-29-2008   #13
 
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Default Re: Home depot "dynamat" for real this time?

both Peel & Seel and this stuff are made by Cofair, but only one has an MSDS:
http://www.cofair.com/msds.aspx
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Old 08-29-2008   #14
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Default Re: Home depot "dynamat" for real this time?

Is this it? http://www.homedepot.com/webapp/wcs/...7&ddkey=Search
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Old 08-30-2008   #15
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Default Re: Home depot "dynamat" for real this time?

Quote:
Originally Posted by Mless5 View Post
Well, could it be used in the trunk only if it gives off a smell? Or would it still stink in the interior?

06BLMUSTANGGT - I will be praying for you folks down there.
The smell was not that bad, but you could indeed tell that there was an asphalt smell somewhere in the vehicle.

Also, thanks for the prayers. I am not in a mandatory evacuation area, but I am sure I will see some high wind and rain no matter where the storm goes.
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Old 08-30-2008   #16
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Default Re: Home depot "dynamat" for real this time?

I used some form of peel and seal from HD and it had little to no odor. What tiny odor there was, disappeared after a couple days. The only problem is that it runs. I would only use it on the trunk floor or someplace non-critical.

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Old 08-30-2008   #17
 
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Default Re: Home depot "dynamat" for real this time?

so whats this stuff called at home depot the links not working for me either... im heading up there tomorow so ill like to check it out
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Old 08-30-2008   #18
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Default Re: Home depot "dynamat" for real this time?

Quote:
Originally Posted by txbonds View Post
I didn't think that raammat bxt had asphalt. Thought it was pure butyl. So, why do you put dynamat and second skin in a different class than the other pure butyl options?
I won't do too much bashing, but I worked on the same car and at least that one batch of Raammat had about as much butyl content as my ass. Second Skin and newer (non-asphalt) Dynamat are WORLDS apart. No comparison at all.

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Old 08-30-2008   #19
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Default Re: Home depot "dynamat" for real this time?

Quote:
Originally Posted by daGwagon View Post
so whats this stuff called at home depot the links not working for me either... im heading up there tomorow so ill like to check it out
You don't want to use it here on anything vital. Texas gets way too hot. It may not smell, but I'll show you what the bottom of my trunk looks like now. It's a gooey mess. I'm glad I used the real thing in my doors.

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Old 08-30-2008   #20
 
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Default Re: Home depot "dynamat" for real this time?

Flashing tape? There are companies out there that can even custom make butyl based 'flashing tape' with copper facing/backing!
You can also get flashing tape backed with EPDM instead of foil, or layer both the aluminum and EPDM to get a barrier type effect going. I don't know of an industrial/commercial place that sells flashing tape but there are quite a few companies out there who make them and most are butyl based to withstand the heat of its intended uses, usually roofing or exterior building sealing.
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Old 08-30-2008   #21
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Default Re: Home depot "dynamat" for real this time?

Quote:
Originally Posted by Mooble View Post
I won't do too much bashing, but I worked on the same car and at least that one batch of Raammat had about as much butyl content as my ass. Second Skin and newer (non-asphalt) Dynamat are WORLDS apart. No comparison at all.
I thought there was just a bad batch or something. Didn't think all Raammat was problematic.

I haven't opened up my back wall and looked and I haven't pulled my carpet to check underneath, but I've also not seen or smelled any obvious problems from the raammat I've used thus far. However, I'm getting a little upset now from reading these comments about raammat, as I'm starting today on my front doors, and the 40 sq ft of remaining raammat are all I have on hand to use, and I don't have time to order anything else at this point.

crap. I'm wishing I had some of the other on hand to compare, but this weekend is my only chance to get my freaking doors done. I had no issues or worries about raammat at all to this point, but when I'm under time pressure to get this done and know it will be 3 months before I get another install chance, it has me aggrevated now.

But still, to this date, I've never read anything that says current produced raammat bxt is anything other than a pure butyl product, just with a different makeup than others giving it a different feel than some of the others.
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Old 08-30-2008   #22
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Default Re: Home depot "dynamat" for real this time?

I've seen the peel and seal melt and literally drip out the doors in high temps...stay far away.

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Old 08-30-2008   #23
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Default Re: Home depot "dynamat" for real this time?

Quote:
Originally Posted by 06BLMUSTANGGT View Post
I used peal and seal on the trunk floor of my Civic and I won't be using any more. My car smelled like I was having a commercial grade roof installed for weeks after using this stuff. I will probably go with Second Skin for the doors, and possibly some other noise killing stuff for the floor. Rather than diving in all at once, I am doing my older car in stages!

Unfortunately, all is on hold while waiting to see what hurricane Gustav is going to do.
That's weird maybe Peel N Seal comes in 2 models, becuase mine I have no smell at all. But on my new car I will rammat and ensolite just because looks more nicer for Car Audio competitions.

Peel n Seal worked perfectly on my CX-7 door, no ratles and the outside noise lowered , the 8" Dayton woofer hits hard with no ratles at all, what else do you want from an insulation?

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Old 08-30-2008   #24
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Default Re: Home depot "dynamat" for real this time?

Quote:
Originally Posted by goodstuff View Post
I've seen the peel and seal melt and literally drip out the doors in high temps...stay far away.
Mine only melted when I applied heat with a torch to really stick in some places. I live in Orlando FL and during the day we have 100degrees+ in our cars. No melting issues yet.

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Old 08-30-2008   #25
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Default Re: Home depot "dynamat" for real this time?

Rubberized asphalt is NOT butyl. All asphalt products of this type have rubber compounds mixed in, so this product is ASPHALT.

It sounds like there may have been a problem with some of the RAAMmat some of you received. I also recall that when you've brought it up in other threads, the owner of RAAMaudio has jumped in with offers to make it good. I know in the past, this has included compensation for replacing defective material. It really does suck if substandard product made it out of his door and into your cars, but I have tested many samples of RAAMmat over the years and it has all been butyl with NO detectable asphalt content. Somewhat gooier butyl than Dynamat Xtreme and noticeably gooier than Second Skin and Cascade.

It really distresses me to see people endorsing Peel & Seal, FatMat and other asphalt products for automotive sound deadener use - especially on DIYMA. Anybody reading this thread and considering following this path should do a search. The deficiencies of asphalt have been established beyond any doubt. Here's the real irony. Asphalt is much less effective than butyl. Much less of a proper butyl/aluminum foil product will do the same job as much more asphalt. Asphalt is no cheaper in use, requires much more work to install and is subject to failure. To add insult to injury (actually injury to insult) the fumes are toxic. There is no legitimate reason to use it. People perpetuate this nonsense because it is cheaper per square foot - an almost completely worthless metric.

Some people will insist on using asphalt regardless of the facts so let's look at the logic of using FatMat in particular - as a way to gain some insight into the thought processes of those who endorse this particular product. FatMat is sold as a side line by a roofing supplies distributor. They are an authorized dealer of MFM products, including Peel & Seal.

Peel & Seal and FatMat are indistinguishable except for a cheesy blue logo that gets inked onto FatMat. People complain about it coming off on their hands all the time. I have challenged the owner of FatMat to describe any difference between the two products and he has declined. They measure and test identically. This means that the people who buy FatMat are paying extra to have someone ship them exactly the same material they can buy at Lowe's for less.

Using asphalt in a car is utter foolishness. The way to save money on sound deadening is to use less. There actually are some decent quality butyl/aluminum foil flashing tapes that will work pretty well. Only problem is that they are very thin - 1/3 to 1/2 the thickness of products intended for sound deadening. When you compensate for this, they are no cheaper. Butyl is very expensive. Either the markup isn't as great as some seem to think it is or Industrial suppliers mark their products up as much as sound deadening companies.

I've been looking for cheaper alternatives for years and they really don't exist. You are either going to buy crap at a low price/ft² or you are going to pay a little more. Look at the the ² versions of eDead. People like to believe that these products are comparable to more expensive competitors and that ED is just a bunch of great guys or buys in such volume that they can sell their product for less. No! They buy a product that uses much cheaper Mylar instead of the far superior but more expensive aluminum foil used by the others. They charge less because eDead costs them less and once again you get what you pay for.

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