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FMJ
07-23-2012, 08:58 AM
Any opinions? I'm looking to reduce the heat and do it with a product that's thin and effective.

-Fred

fcriha
07-23-2012, 12:04 PM
I used Kool Mat on my new Mk-4 and am satisfied with the results. The surfaces that have Kool Mat applied remain (relatively) cool to the touch - even in 100 degree weather (I live in Texas). However, I do get significent hot air from areas that are not protected by Kool Mat, like under the dash and from between the body and foot box - both driver and passenger side. At least I'm only being baked on one side.

FCRiha

skullandbones
07-23-2012, 12:59 PM
Fred,

Scope out "Ultra Hushmat" at Summit Racing. I'm using it everywhere. It's similar to the other foil rubberized products but cheaper. I am using it on all surfaces inside the cockpit: inside firewall, underside of trans tunnel so I can scroll the top, underside of truck area and back wall of cockpit for diff noise, and both sides and top of driver and passenger boxes. It really makes a difference in the noise dampening and from the first start up, I didn't notice any bleed thru of heat from the headers. Of course, the MkIII has some serious issues with closing off parts of the engine bay from around the upper body but I'm working on that with some custom panels and those will be covered with this stuff too. If you are a name brand kind of guy, you may gravitate toward "Dynamat" which is a premium version of these insuators. The product I'm using is easy to work with and apply. I think I would use it again. See you later and good luck. WEK.

MPTech
07-23-2012, 02:36 PM
skullandbones,
is this the stuff? Summit Racing® Ultra Heat and Sound-Deadening Mats (http://www.summitracing.com/parts/SUM-879014/)

How much did you buy for the cockpit?

Dennis C
07-23-2012, 06:23 PM
Check out Quadmat at quadmat.com. There is also a link on the vendor page.

We have a 4 layer sound dampening and insulation product. It is just over 1/4" thick, there is one layer of butyl, one layer of 4mil aluminum, a second layer of butyl and 1/4" of closed cell nitrile foam insulation. To get the same properties you would need to apply the competitors Extreme or Ultra products and their insulation mats on top of that. You would have 2 times the labor and 2 or more times the material costs. Let me know if I can be of assistance.

Quadmat comes in 12" x 12" squares 10 sq. ft. per box, cut to fit the space you need to cover peel the backing off and stick it down.

Dennis Clark
FFR6165

skullandbones
07-23-2012, 10:33 PM
That's it. I think I got the box with 6 pcs which did the passenger side and a little of the drivers side. Then I ordered one with 12 more pcs and have just about everything I mentioned done with 4 full pcs left. But I plan on doubling up in a few places and all those little custom panels in the firewall area so there won't be much left over. Hope that helps. WEK.

note: the coverage explanation may be a little off as I got these pretty close together but the total number of pcs is accurate. Sorry.

myrtille2004
07-24-2012, 08:13 PM
Any opinions? I'm looking to reduce the heat and do it with a product that's thin and effective.

-Fred

I just ordered my MK4 kit and planning to use EZ COOL. It seems cheap and very effective. You can check on the old forum at
http://www.ffcars.com/forums/17-factory-five-roadsters/274584-heat-insulation.html.

Website of vendor is: http://www.lobucrod.com/


Stephan.

skullandbones
07-24-2012, 10:06 PM
I don't really have a favorite product as such but what I used is easy to work with and more or less lived up to the advertisements. I like the Quadmat concept because dissimilar substrates can do a much better job at reducing unwanted noise from engine, side pipes, trans, diff whine, etc. I don't remember a lot about those physics classes but one thing is that you can reduce multiple wave lengths of sound waves with different things like rubber, air, wood, fiber mat, etc. So I am using the Hushmat along with two floor products. One is a very thin green foam rubber used under wood laminate floors for guess what (noise reduction is one)? The other product is a premium quality fiber carpet mat about 1/2 inch thick. So where there are no room issues, I should have a mutilayer of sound deadening substrates that will take care of various types of unwanted sounds. I'll let you know how it goes. WEK.

emac
07-27-2012, 12:56 AM
I used thermo tec self adhesive heat barrier from summit racing on the outside of my footboxes. Good stuff. I also went with a quiet ride kit under the carpet. Heat in the cockpit isn't a problem.