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Billy Martin
Samba Member
Joined: November 14, 2008
Posts: 78
Location: Canada
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 Posted: Mon Sep 29, 2014 6:39 pm Post subject: smoke damage question.... |
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| Hi there, So I had an engine fire in my 74 bus just before summer and was able to save it and not have too much damage. Some of the smoke has turned the metal black and after removing the soot and black smoke damage, the metal is still black. When you wipe it with a cloth or paint thinner, nothing comes off. So I am wondering if I can now just prep for primer and paint or do I have to remove all this black and go right to bare metal? Thanks in advance!! Is there some sort of industrial paint removal that could take this off? I've tried furniture stripper but to no avail. Would airplane paint remover work better? |
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Spezialist
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Joined: July 01, 2005
Posts: 1941
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| Posted: Mon Sep 29, 2014 7:02 pm Post subject: |
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sand it down with #120 grit.
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Billy Martin
Samba Member
Joined: November 14, 2008
Posts: 78
Location: Canada
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| Posted: Mon Sep 29, 2014 7:32 pm Post subject: |
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| Thank-you!! I just wanted to make sure before I spray the inside!! Its in quite a few nooks and cranny's, gonna be a long haul lol!! |
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[email protected]
Samba Member
Joined: June 02, 2011
Posts: 1593
Location: Louisville, ky
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| Posted: Mon Sep 29, 2014 7:40 pm Post subject: |
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| Spezialist wrote: |
| sand it down with #120 grit. |
What, and go down to bare metal? The 120 grit will leave huge scratches that will show through the paint. More along the lines of 600 to 800 grit until the black is gone. Bonus, the surface will be ready to paint. |
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Billy Martin
Samba Member
Joined: November 14, 2008
Posts: 78
Location: Canada
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| Posted: Tue Sep 30, 2014 8:53 am Post subject: |
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| so go with the higher grit and remove all the black? Will the paint not adhere if there is remnants in the tiny cracks and crevices? Theres alot of them in awkward places lol!! |
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eyetzr 
Samba Member
Joined: October 09, 2013
Posts: 1425
Location: Toronto, Ontario. Canada
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| Posted: Tue Sep 30, 2014 12:25 pm Post subject: |
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If you need to remove all the paint 120 is fine, if the paint is cooked & smooth I would use a red scotch brite pad. I think the grit is 220 also gets into all the nooks & crannies. Remember the coarser you start the more steps to sand it to finish will be increased
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I think he meant "rare", as in "not well-done" |
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Spezialist
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Joined: July 01, 2005
Posts: 1941
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| Posted: Tue Sep 30, 2014 1:30 pm Post subject: |
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have it blasted with walnut shells!
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eyetzr
Samba Member
Joined: October 09, 2013
Posts: 1425
Location: Toronto, Ontario. Canada
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| Posted: Thu Oct 02, 2014 7:04 am Post subject: |
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Thats nuts.  The best job, rip it out, take apart & blast & paint or powder coat it all. I think the OP was looking for an easier & faster approach to get it fixed.
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I think he meant "rare", as in "not well-done" |
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