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11-05-2015, 12:49 PM
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#1 |
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Registered User
Join Date: Feb 2015
Location: PONCA CITY
Posts: 132
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Undercoat issues
Hello, after reading success stories I bought and sprayed 3m aerosol undercoating on my under cab. I had degreaser wire wheeled and sprayed with etch primer. I sprayed the undercoat 3 days ago and it is still soft and scrapes off with your fingernail. Is there a remedy can I paint something over it to make it hard?? I sprayed krylon on it and it still scraped off. Thanks
1963 c10 |
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11-05-2015, 03:33 PM
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#2 | |
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Registered User
Join Date: Aug 2013
Location: corktown,mi.
Posts: 5,196
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Re: Undercoat issues
Quote:
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11-05-2015, 03:57 PM
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#3 |
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Registered User
Join Date: Nov 2011
Location: fayetteville nc
Posts: 10,338
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Re: Undercoat issues
I used truck bed liner also and its held up great.
Did you give the primer enough time to fully cure? Only thing I can think is it didn't dry enough causing the soft undercoating.
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual http://67-72chevytrucks.com/vboard/s...d.php?t=519869 1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide http://67-72chevytrucks.com/vboard/s...d.php?t=619024 1964 Short bed trailer |
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11-05-2015, 04:15 PM
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#4 |
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Registered User
 
Join Date: Mar 2014
Location: Rosemead, CA
Posts: 419
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Re: Undercoat issues
Whatever brand undercoat you buy, get rubberized if you don't want it to stay greasy.. the only difference then with brands will be spray texture and coverage per can.
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