Will silicone damage paint? - Lexus IS Forum
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post #1 of 10 (permalink) Old 06-24-2011, 08:57 PM Thread Starter
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Will silicone damage paint?

I've got a spoiler that just won't stay completely flush. I used 3M molding tape, clayed the surface, wiped it down with 91% alcohol, and heated it up prior to adhesion. It's holding for now, but the edges are starting to lift a tiny bit. I'm thinking of adding a bead of clear RTV silicone to seal the exposed double sided tape. I don't want water and dirt to get between the tape and paint, but I don't want to use the silicone if it will cause any damage. From what I've read, the flexible type should be OK, but I wanted to see if anyone can confirm this from experience.

Here's what I plan to use:


Thanks.

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post #2 of 10 (permalink) Old 06-24-2011, 09:15 PM
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you might be able to google that.
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post #3 of 10 (permalink) Old 06-24-2011, 09:24 PM Thread Starter
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I did, and I got mixed answers. That's why I'm hoping that somebody here can confirm what I read based on their experience. Thanks.

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post #4 of 10 (permalink) Old 06-24-2011, 09:31 PM
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Damn, while trying to search it mostly talks about removal so it must be a good adhesive but I found that it does not adhere well as well too. You would probably have to hold it while curing some how. RTV is better for rough surfaces too. Don't think I'd use it. Use some more sticky tape Rey, if possible.

'02 IS300 MSM LSD

Last edited by jasonm4; 06-24-2011 at 10:07 PM. Reason: mixed results
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post #5 of 10 (permalink) Old 06-24-2011, 10:45 PM Thread Starter
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Thanks for the info Jason. Actually, I'm only using it as a sealant/gasket to keep water and dirt away from the tape that has pulled up 1-1.5mm. The DS tape looks like it will keep the spoiler planted, but I'm afraid that water and dirt will slowly eat away at the "good" tape over time if left exposed to the elements. A simple bead of silicone should seal things up nicely. I'm just worried about it potentially damaging the paint.


My thread of picture whor@ge: 2003 BO 5MT B01B

5Zigen || Apex-i || ARC Audio || B&M || BC Racing || Carson Tuned || Centerforce || CUSCO || DEI || EXPEL || Fidanza || FIGS || G2 || Greddy || JDMeyes || JIC || Karl Sport || L-Tuned || MONSTER || Optima || Outerwear || PIAA || Pioneer || PLP || SONY || SRT || Swift || TeCK Pro || Token Solutions ||TRD || Tuned Parts || UGO || WORK || VALOR || Valentine1 || VentureShield || Yokohama ||.
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post #6 of 10 (permalink) Old 06-25-2011, 08:33 AM
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Puts the lotions on the skin and dont worry about it. It will not hurt your paint. Just make sure when you do it do wat jason said and put something on it to hold it down over night like a heavy book. Or off the top of my head put a towel over it and maybe a tire to hold it down.... I dunno get creative
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post #7 of 10 (permalink) Old 06-25-2011, 10:07 AM
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Quote:
Originally Posted by rvalero View Post
Thanks for the info Jason. Actually, I'm only using it as a sealant/gasket to keep water and dirt away from the tape that has pulled up 1-1.5mm. The DS tape looks like it will keep the spoiler planted, but I'm afraid that water and dirt will slowly eat away at the "good" tape over time if left exposed to the elements. A simple bead of silicone should seal things up nicely. I'm just worried about it potentially damaging the paint.

Oh, now I see what you're doing, makes perfect sense. Its weird because I've done a lot of searching about this as well and every forum thread I've read does not make it clear if its ok to use or not. I've read in a few places in order to remove it, you use heat it up, then use fishing line to get most up, followed by goo gone or an intensive tar remover. I know for sure goo gone is ok for car paint and will not damage it. I found that acetone and a plastic razor would work(found on professional detailing site), but I don't think I'd ever use acetone on a car's finish. Hmm...gotta be an easier way.

'02 IS300 MSM LSD
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post #8 of 10 (permalink) Old 06-25-2011, 10:34 AM
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I would not worry about the silicone damaging the paint. I have never seen silicone damage paint. It will come off with relative ease with some good cleaning products, if you were to want to remove the spoiler later.
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post #9 of 10 (permalink) Old 06-25-2011, 05:48 PM Thread Starter
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Thanks for everyone's input. I also got a hold of a buddy whose uncle owns a body shop, and he said that it won't cause any problems. I went ahead and did the whole front edge of the spoiler. It was a messy job, but I got it done. Ignore the pieces of lint; they blew right off after I hit the area with an air duster.


My thread of picture whor@ge: 2003 BO 5MT B01B

5Zigen || Apex-i || ARC Audio || B&M || BC Racing || Carson Tuned || Centerforce || CUSCO || DEI || EXPEL || Fidanza || FIGS || G2 || Greddy || JDMeyes || JIC || Karl Sport || L-Tuned || MONSTER || Optima || Outerwear || PIAA || Pioneer || PLP || SONY || SRT || Swift || TeCK Pro || Token Solutions ||TRD || Tuned Parts || UGO || WORK || VALOR || Valentine1 || VentureShield || Yokohama ||.
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post #10 of 10 (permalink) Old 06-25-2011, 06:21 PM
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Looking real good Rey. Job well done!

'02 IS300 MSM LSD
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