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Hi All,
I have been building a Chester Yawl over the past 4 years. Yesterday I applied a coat of Pre-Kote (as the directions suggest) in preperation for the brightsides final coats.
Now, I live in Houston so it was 90+ deg and 80+% humidity when I applied the PreKote. I read the instructions and some forum posts, so I understood that the material absorbs moisture. I never guessed it would be this bad though. tonight i went to sand the pre-Kote and it was like rubbing gum around. HORRIBLE! after MANY sanding discs nad much time, I just stopped discouraged. I was expecting an easy sanding powerdery substance. what I found was the opposite.
I actually could scrap off the Pre-Kote like it was wall paper paste that had not dried yet using a scrapper. This may be what I do for the rest of the hull.
I'll post pictures after I figure out how....
any suggestions?
2 replies:
RE: Pre-Kote turned to Gum!?!?
i sympathize. i decided to coat the inside of my pram with CETOL not varnish after the MAS epoxy work was done.i called CETOL, i called MAS --both tech suppport lines said ' go ahead i don't see why not. WELL: they were both wrong as could be. the CETOL turned to a molasses consistency. fans did not help, after 3 weeks it was still gummmy. (applied in a cool PA basement of 64 degrees...)
i had no choice but to scrape off all the CETOL with japanese cabinet scrapers. it took months. it was VERY depressing. after scraping off ALL the cetol, i was ready to clean the inside and appply another coat of MAS 'just to be sure.' fortunately my CLC skerry w varnish interior was on hand to get me out on the water to forget the wretched pram mess. and i thought i was saving time by not having to varnish the pram... what a mistake.
you'll find the gum clogs the sanding discs too much. be prepared to scrape. i'd call interlux and complain , ask whether any chemical product will soften the pre-Kote and make it less gummy for removal.
RE: Pre-Kote turned to Gum!?!?
» Submitted by Laszlo - Tue, 7/16/19 » 8:31 AM
How to post photos
How long has it been since you applied the primer?
Have you tried contacting CLC directly, rather than just posting on this forum? The forum is mostly we builders talking amongst ourselves and sharing our experiences to help each other. CLC browse this forum when they have time, but will respond to to a customer service request immediately (during business hours). It's part of what you paid for when you bought the kit/plans and they take it very seriously.
There's Contact Us and Customer Service links at the top of the page. Give it a try. Annapolis during the summer is just as bad as the conditions you describe and these guys have built hundreds of boats there.
Good luck,
Laszlo