Smoove Posted December 30, 2011 Report Share Posted December 30, 2011 I have seen a lot of guys using spray foam to stop rattling or fill gaps. I had a friend use the triple expanding foam in his trunk lid and it warped it. Is there a best brand to use so I don't warp sheet metal? Quote 2 Team Fi 15's v1 2 DD M5's 970amps of Alt 6th order blowthroughThe truck Blowthrough build : http://www.stevemeadedesigns.com/board/topic/155555-smooves-1996-chevy-ext-cab-c1500-slow-build/The 350z build : http://www.stevemeadedesigns.com/board/topic/170694-smooves-2003-nissan-350z/ My FB page https://www.facebook.com/pages/Smooves-Car-Audio-and-performance/719746144805343 Team Fi Audio http://www.ficaraudio.com/ Link to comment Share on other sites More sharing options...
jeyrapboy Posted December 30, 2011 Report Share Posted December 30, 2011 I have seen a lot of guys using spray foam to stop rattling or fill gaps. I had a friend use the triple expanding foam in his trunk lid and it warped it. Is there a best brand to use so I don't warp sheet metal? never Heard of someone using it to stop rattles per say, But just to fill big open voids. Quote Link to comment Share on other sites More sharing options...
watabeast Posted December 30, 2011 Report Share Posted December 30, 2011 I use it on harder to reach areas such as behind bit suv panels where its big enough to fit your hand, but too small to fit deadener properly. IMO it does reduce some rattling, but not as much compared to actual deadener. I use either DAP foam, or Great stuff Quote Link to comment Share on other sites More sharing options...
jokerklown Posted December 30, 2011 Report Share Posted December 30, 2011 I used expanding foam to fill gaps between roof sheet metal and braces and to seal off the wall in my blazer just let it dry and don't go way overboard on the amount you use. Greatstuff is what I used and no issues so far Quote Link to comment Share on other sites More sharing options...
new guy Posted December 30, 2011 Report Share Posted December 30, 2011 just dont use too much. if your really worried just start out with a little and keep adding more. Quote *current* 1991 honda crx si 2 skar audio 12s pioneer 6.5s dual 400 watt amp audio technix db 1/0 wiring kit. dual head unit Link to comment Share on other sites More sharing options...
LT1Roadmaster Posted December 30, 2011 Report Share Posted December 30, 2011 I used Great Stuff on my trunk lid. The can said on it "for gaps and cracks". I didn't have any issues, I started out with a little and a few hours later once it was set up I added more to the places that needed it. It worked out pretty well on my car. Just get regular Great Stuff spray foam and not that 3X expanding stuff. IMO works much better. Quote Link to comment Share on other sites More sharing options...
Freshman6969 Posted December 30, 2011 Report Share Posted December 30, 2011 i used it on the back half of my jeep to fill the voids, since i have pressure release vents back there, it also helps your score a bit since nothing is able to get into those voids thus keeping the pressure moving foward Quote Legal TL scores145.6 on the dash sealed up in the low 40hz area with the port out145.5 on the dash sealed up @30hz with the port inless then 1k clamped on a 3.5k! Why would you EVER WANT flex?huh?...flex is what can make the lows lower and more air being pushed correct? My FeedbackJeep-BuildlogPT LOSER buildlog Link to comment Share on other sites More sharing options...
Smoove Posted December 30, 2011 Author Report Share Posted December 30, 2011 Time to go to Lowes and get me some Great Stuff. I am gonna do a little at a time. Quote 2 Team Fi 15's v1 2 DD M5's 970amps of Alt 6th order blowthroughThe truck Blowthrough build : http://www.stevemeadedesigns.com/board/topic/155555-smooves-1996-chevy-ext-cab-c1500-slow-build/The 350z build : http://www.stevemeadedesigns.com/board/topic/170694-smooves-2003-nissan-350z/ My FB page https://www.facebook.com/pages/Smooves-Car-Audio-and-performance/719746144805343 Team Fi Audio http://www.ficaraudio.com/ Link to comment Share on other sites More sharing options...
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