any good waterproof materials?

kenchan · 02-06-2014, 04:10 PM

they're mostly silicone, no? 3M sells silicone sealant if you really want to go automotive grade, but silicone is silicon, i think. it can withstand a lot of heat. (not talking about pumber's putty)

this is what i have in my bin:

Super Silicone Sealant :3M US

YzGyz · 02-06-2014, 09:05 PM

I don't know about the plumbers putty melting. It was always in solid form when we get it from the work truck to use. The trick gets really hot parking out in the sun. Another suggestion would be "thumb gum." That's that green or gray putty that they slap on electrical pipes to keep bugs and water out. That stuff can take the forces of nature face on.

I don't know about the rest of you guys. Sure silicone will work, but will be a pain to rid of with out messing with your paint. Plus I think it stores too solid for the amount of flexing of driving. I think it could make a dent.

JustMy opinion

1slow370 · 02-06-2014, 09:56 PM

if you have a thin mouse pad peel the fabric off and cut some washers out of it, mousepads are closed cell neoprene rubber foam, use them to seal milspec connectors.

edit i don't use mousepads but neoprene foam sheeting, but its the same stuff.

dudesky · 02-06-2014, 11:06 PM

Thank you for the suggestions guys. really appreciated! so I just came back from redoing the installation from the scratch, I used 3M tape + weather foam sheet + some silicone sealant. so far so good. I just need to wait silicone to cure and let see what happens when it rains!!

02-06-2014, 09:56 PM	#18 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	if you have a thin mouse pad peel the fabric off and cut some washers out of it, mousepads are closed cell neoprene rubber foam, use them to seal milspec connectors. edit i don't use mousepads but neoprene foam sheeting, but its the same stuff. __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50 Last edited by 1slow370; 02-06-2014 at 09:58 PM.

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02-06-2014, 04:10 PM	#16 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141521	they're mostly silicone, no? 3M sells silicone sealant if you really want to go automotive grade, but silicone is silicon, i think. it can withstand a lot of heat. (not talking about pumber's putty) this is what i have in my bin: Super Silicone Sealant :3M US

02-06-2014, 09:05 PM	#17 (permalink)
YzGyz A True Z Fanatic Join Date: Jun 2013 Location: Houston Posts: 1,449 Drives: 2010 Nismo Rep Power: 63	I don't know about the plumbers putty melting. It was always in solid form when we get it from the work truck to use. The trick gets really hot parking out in the sun. Another suggestion would be "thumb gum." That's that green or gray putty that they slap on electrical pipes to keep bugs and water out. That stuff can take the forces of nature face on. I don't know about the rest of you guys. Sure silicone will work, but will be a pain to rid of with out messing with your paint. Plus I think it stores too solid for the amount of flexing of driving. I think it could make a dent. JustMy opinion

02-06-2014, 11:06 PM	#19 (permalink)
dudesky Track Member Join Date: Apr 2011 Location: Kraid's lair Posts: 516 Drives: E46 M3 6MT Rep Power: 15	Thank you for the suggestions guys. really appreciated! so I just came back from redoing the installation from the scratch, I used 3M tape + weather foam sheet + some silicone sealant. so far so good. I just need to wait silicone to cure and let see what happens when it rains!!