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Old 04-21-2006, 11:14 AM
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Default Does anyone remove bottom paint the ols fashion way?Scrape

Just have to ask? I mean with a 3 inch wide blade ripping through all the paint. Or has everyone just bucked $$ up and paid someone to blast there boat. I started to do it on a 24' boat yesterday, with 20years of paint, and everyone at the marina was offering alternatives(grinder, peel away, blasting, ect.) The old fashion way seemed to work, it is just slow dirty work. Should I listen and do it another way? did not want to spend 500-750 on cryoblast
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Old 04-21-2006, 12:14 PM
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Default RE: Does anyone remove bottom paint the ols fashion way?Scrape

I did my 1977 23' Penn Yan by scraping. The scraper needs to have a thick blade and be filed straight across. The 90 degree edge is what is effective. I think some original mold release was still on the hull because I was able to scrape most of it off. It had a very thick film of paint after many years of painting. The old epoxy based paints tend to crack when the film gets thick. The areas where adhesion was good had to be done with Peel- Away and sanding. Still a tough job but you can get through it. Wear good prtection so you don't inhale the particles.
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Old 04-21-2006, 12:57 PM
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Default RE: Does anyone remove bottom paint the ols fashion way?Scrape

How long did it take you..

I started my 20' 2 weeks ago with Peel Away. I had to wait until the air temps was at a steady 40+ Degrees, same tme the big striped bass arrived to the Cheasepeake bay...ohhh well..

Started in sections, and now have the side from the boot stripe down around the chine, and a section on the bow entry. It is tough going through the multilayers of modified epoxy antifouling...sometimes 3 coats.
Still have the main bottom 16' X 8' = 108 Sq. feet left out of 136 avg.

Just tried a 2600PSI power washer, but that is just taking of the first layer of ablative.

Tried a sandblast wand (Wet Blasting) with the powerwasher and got another 12 SF down with 2 100# bags of sand, and multihundred gallons of water..

I've worked 2 weekends, and most evenings till dark...

I'm going out to rent a sandblaster, and get this fininshed....I hope...At 50 yrs old I getting tired of crawling under this thing.
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Old 04-21-2006, 01:13 PM
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Default Re: Does anyone remove bottom paint the ols fashion way?Scrape

I scraped and sanded a 27' boat this spring. 10 year old boat with 2-3 layers of paint. I think I had about 30 man hours on it. Two of us put in a full day, and then I had a few evenings of sanding and light scraping. It honestly came off pretty well, but just took some time and a little elbow grease. I wouldn't want to do it again tomorrow, but will probably scrape it by hand next time. (in a few years)
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Old 04-21-2006, 01:27 PM
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Default Re: Does anyone remove bottom paint the ols fashion way?Scrape

Years ago I used a jell type paint remover called "Wonder". And it was, I help remove layers of paint from my cousin's 25' boat.Most of it gone after two hours! We painted it on in sections,allowed to sit for 15 minutes and sprayed it off with a garden hose. Most of it rippled and fell off. Some areas needed light scaping,we used auto snow scrapers and additional "Wonder" for the leftovers.
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Old 04-21-2006, 02:47 PM
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Default Re: Does anyone remove bottom paint the ols fashion way?Scrape

Doin' a 21' with a 5" random orbit sander and 60 grit pads. I just started but it seems to be going reasonably quickly. I only have 2 coats of paint on half the boat and one as you get towards the stern.
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Old 04-21-2006, 03:59 PM
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Default RE: Does anyone remove bottom paint the ols fashion way?Scrape

No way 30 hours of that kind of work is a better option that $600-700 for the blasting job...no way! JMO!
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Old 04-21-2006, 06:20 PM
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Default Re: Does anyone remove bottom paint the ols fashion way?Scrape

I just did it, spent about 25 hours on my 23, Nasty, dirty work, but the good thing about scraping is it's easy to pick up with a shopvac, as opposed to a gooey mess lying in the driveway.

See my Green Bottom paint is the Devil thread from last weekend, what a saga. But it turned out real nice, and I saved 800 bucks for other things.
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Old 04-21-2006, 06:30 PM
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Default Re: Does anyone remove bottom paint the ols fashion way?Scrape

I'll never do it again. Period.
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Old 04-21-2006, 07:07 PM
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Default Re: Does anyone remove bottom paint the ols fashion way?Scrape

http://www.classicmako.com/forum/top...?TOPIC_ID=9225
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Old 04-21-2006, 07:23 PM
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Default RE: Does anyone remove bottom paint the ols fashion way?Scrape

Not since I scraped my23ft Owens in the '60s. Are you nuts? Rent the equipment to blast it off or hire someone to do it. Take it from a former deck ape!

I told myself when I left the USN in 1965 that I would never use a scraper again, then I did it once in 1969. Should have listened to myself.
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Old 04-21-2006, 09:48 PM
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Default Re: Does anyone remove bottom paint the ols fashion way?Scrape

Don't forget how toxic that crap is, no way I will ever do that, leave it to the yard, they do a good enough job and you don't wind up with toxic dust and paint chips all over your driveway!
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