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Author Topic: spray foam?  (Read 455 times)
grudd440
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spray foam?
« on: May 26, 2008, 02:23:49 PM »

hi, i was wondering if anyone knew of a spray foam where as you spray it, it foams up and becomes hard? i have heard of it. if anyone knows where i can get some i would appriciate it. thanks.
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440 DusterDemon

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Re: spray foam?
« Reply #1 on: May 26, 2008, 02:38:28 PM »

Lowes,Home depot, Ace Hardware even Walmart
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MoPar_or _NoCar
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Re: spray foam?
« Reply #2 on: May 26, 2008, 02:39:32 PM »

It's called " Great Stuff "
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grudd440
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Re: spray foam?
« Reply #3 on: May 26, 2008, 03:19:29 PM »

cool. thank u.
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440 DusterDemon

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Re: spray foam?
« Reply #4 on: May 26, 2008, 06:29:54 PM »

would not use it in a car again myself. used it on an escort once to fill a hole then bondo over it . made it rust out even faster . the foam holds a lot of moisture
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MAN,I WISH I COULD FIND THE TIME TO WORK ON MY PROJECT 440 in a 71 Valiant.
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Re: spray foam?
« Reply #5 on: May 26, 2008, 07:23:44 PM »

Maybe cover it with seam sealer afterwards to keep moisture out?  Just a thought.
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NYrr496
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Re: spray foam?
« Reply #6 on: May 26, 2008, 08:41:44 PM »

Hilti makes a low expanding foam that works better than great stuff.
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cu440da
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Re: spray foam?
« Reply #7 on: May 26, 2008, 10:33:38 PM »

 agree I'd use that before the Great Stuff. If you fill it too full with Great Stuff you can actually displace/deform what you are filling. I blew apart a firring strip/cement wall when I over filled it. Not just a little either, it was blown wide open.
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'67 Notchback- 12.85 @ 109mph

440, M1, modified 750 Holley, .509 cam, template ported 906's, ProParts, 3" x-piped mandrel bent exhaust, Spintech's, 4.10 Sure Grip, 3200 stall, CalTracs and mono's, RR hood bulge fresh air system
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Re: spray foam?
« Reply #8 on: May 26, 2008, 10:44:34 PM »

Just dont use it in a car! Years ago a co-worker filled his panels behind the interior with the stuff, it squeaked everytime he hit a bump until he cut it out a few monts later. Riding in his car was like being inside a carboard box with a ton of styrofoam!   lol
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grudd440
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Re: spray foam?
« Reply #9 on: May 26, 2008, 11:30:14 PM »

i could see how it can be noisy. i think im going to use fiberglass. i just put a rear firewall to isolate the fuel cell, battery, and nitrous bottle from the interior, but but im having a hard time sealing some areas between the fenderwell and quarter panel.
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440 DusterDemon

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Re: spray foam?
« Reply #10 on: May 27, 2008, 03:03:26 PM »

sheet metal and pop rivets..
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flyboy01
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Re: spray foam?
« Reply #11 on: May 27, 2008, 05:38:52 PM »

i could see how it can be noisy. i think im going to use fiberglass. i just put a rear firewall to isolate the fuel cell, battery, and nitrous bottle from the interior, but but im having a hard time sealing some areas between the fenderwell and quarter panel.

Then you definately DONT want to use the spray foam, when it burs, it is highly toxic. it will kill you faster than smoke inhalation. bad news for a racecar.
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Cpt Panzer
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Re: spray foam?
« Reply #12 on: May 28, 2008, 11:26:58 AM »

HOPEFULLY it will never have the chance to burn!
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grudd440
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Re: spray foam?
« Reply #13 on: May 28, 2008, 08:28:01 PM »

hopefully not, but things happen. im not going to use it. the firewall is in, but i still have a few holes to patch.
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440 DusterDemon

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Re: spray foam?
« Reply #14 on: May 28, 2008, 09:02:48 PM »

Whoa!! I didn't realize you were talking about putting it in a car.
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grudd440
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Re: spray foam?
« Reply #15 on: May 28, 2008, 11:32:42 PM »

i know, it was just a ? i didnt know anything about this product, i had just heard and seen it. thank u for the info.
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440 DusterDemon

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