Mark,
I notice you say "should be about the same" so you must have missed
my point. Dynamat and roofing stuff is exactly the same - so "should
be about the same" should read "are exactly the same". Sorry to be
so picky but I hate to see people being ripped off. $11 per sqft
instead of $1.30 is just too much !! My floor in the MGB is one
piece including up the sides. So I have a beautiful clean shiny
aluminium seamless finish that will hold water up to inches deep!!
At 08:28 AM 5/27/2011, Mark LaPierre wrote:
>Barry, in most cases the alum. adds a reflective heat surface to
>the Dynamat Extreme, depending on how the material is installed in
>the car. In most cases the alum side is installed away from the
>heat factor(floors) in our cars so that sort of cancels the
>reflective idea. However it also adds a smooth non tacky side to
>the Dynamat Extreme so carpet and other items don't stick to it when
>hot. And of course there is the noise insulating characteristic
>that Dyn Ext. and your product add. That characteristic should be
>about the same between the 2 products, IMHO.
>
>I used the Dyn. Ext. and notice a huge sound deadening effect
>especially when you add the carpet pad and the carpet over the D.
>E. Very pleasing effect.
>
>As for the tar paper, that is just for originality. That was all
>they add back in the early car days so that was used on the floors
>and firewall. Seems
>like very little R value there to me.
>
>My 2 cents, Mark
>
>
>----- Original Message ----- From: "Barrie Robinson" <barrie@look.ca>
>To: "john spaur" <jmsdarch@sbcglobal.net>; "I Erbs" <eyera3@gmail.com>
>Cc: <healeys@autox.team.net>
>Sent: Wednesday, May 25, 2011 3:50 PM
>Subject: Re: [Healeys] question about interior firewall
>
>
>>I am not sure why tar paper. The stuff I get from the roofing
>>people, which is exactly the same as Dynamat but $1.30 against $11
>>per sqft. has an aluminium foil topside. If I am missing something
>>please let me know - but why tar paper I want to know.
>>
>>
>>At 09:39 PM 5/24/2011, john spaur wrote:
>>>Put them in afterwards or be very careful when spreading the glue.
>>>BTW, David Nock applies Dynamat under the tar paper. I just applied
>>>the tar paper.
>>>
>>>John
>/Manage:
>http://autox.team.net/mailman/options/healeys/lapierrem@sbcglobal.net
Regards
Barrie
barrie@look.ca
705-721-9060
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