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Restored bottom gelcoat

Old 03-26-2012, 11:37 PM
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Default Restored bottom gelcoat

Thought I would share my latest finished project. For those that consider stripping the bottom paint and restoring the gelcoat back to new on there boat, I can contess, it can be done!!

I have done many projects refurbishing this boat over the last couple years and finally got the bottom paint off. You can check out the entire process in my thread below but here is a short version.

This is a 1990 hull, boat came with bottom paint on it from previous owners. I trailer most the time and wanted it gone. After recieving a couple estimates and a couple "that can't be done attitudes", I decided to try it for myself.

With some testing and helpful advice from some others, I was successful. The bottom had three coats off paint on her. I scraped the paint off and then (dry) sanded with 600 grit "film' disks on the Da sander until I was sanded down through the preperation sanding marks that were there from where they had prepped the hull for bottom paint,. Then used 800 film discs and then 1000 grit film discs. Then compounded with 3m restore compound to a shiny gloss by hand.

This is an old pic but its basically what I started with before.



after -



Scraping the bottom was the way to go, I tried multiple strippers but got no where fast.
Here you can see an area that has been scraped with a 1 inch stiff paint scraper. Once you get started, it comes off realitvely easy down to the barrier coat/gelcoat. Then you dry sand.





I tried all the scrapers, the one on the right was the best by far. Lowes, $4.



Film disks used.



Scraped down ready for dry sanding with film disks.



Polished and Restored pics





















You can check out all my projects at the link below in much detail. Hope this helps others get a beautiful bottom,lol

Last edited by dahlbebop; 03-26-2012 at 11:54 PM.
Old 03-27-2012, 03:40 AM
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I'm impressed! That looks great! My Cape Horn had the same blue paint on it. I wanted to take it off but decided to sell it. I'm glad to see it's doable.

Hey, is that your neighbors house right beside your boat?
Old 03-27-2012, 03:57 AM
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Excellent Job

How long do you have into this job ?
Old 03-27-2012, 04:26 AM
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You, sir, have accomplished the "impossible"

I am AMAZED how beautiful it looks, my, God, what a slick SHINE!!!

GREAT JOB!!!:thu mbsup:
Old 03-27-2012, 05:07 AM
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Thanks a lot dahlbebop! Now you've gone and caused me work! Just kidding but that hull looks absolutely awesome! I too have bottom paint that is in need of redoing but thanks to your post, I'll be taking on the same job next December to March.

I do have a couple of questions. If I'm reading correctly, you did not spray gel coat? And sanded down to the glossy finish, is that correct? And in your other thread, I see you installed a go light that's located in front of your BR24. Have you noticed any radar interference from the go light? I've been struggling to figure out where to mount the same and hadn't considered that due to radar. My BR24 is on a stand exactly like yours.
Old 03-27-2012, 05:09 AM
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Looks damn good man!!
Old 03-27-2012, 05:16 AM
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excellent job
Old 03-27-2012, 06:29 AM
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Wow, that is awesome.
Old 03-27-2012, 07:22 AM
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Originally Posted by bluewaterseeker View Post
I'm impressed! That looks great! My Cape Horn had the same blue paint on it. I wanted to take it off but decided to sell it. I'm glad to see it's doable.

Hey, is that your neighbors house right beside your boat?
That is the neighbors house,lol They probably all think I'm crazy since I did most of this over the winter time laying on my back. Thanks man.

Originally Posted by hudiefloats View Post
Excellent Job
How long do you have into this job ?
Thankyou Sir, Since I didn't keep track of the time because it was a couple hours here and a couple hours there etc. I am guessing it was between 60 to 80 hours total. Cost was around $250 bucks between failed strippers and sanding disks.

Originally Posted by AGENT86 View Post
You, sir, have accomplished the "impossible"

I am AMAZED how beautiful it looks, my, God, what a slick SHINE!!!

GREAT JOB!!!:thu mbsup:
Thankyou, thankyou thankkyou,lol

Originally Posted by GulfC View Post
Thanks a lot dahlbebop! Now you've gone and caused me work! Just kidding but that hull looks absolutely awesome! I too have bottom paint that is in need of redoing but thanks to your post, I'll be taking on the same job next December to March.

I do have a couple of questions. If I'm reading correctly, you did not spray gel coat? And sanded down to the glossy finish, is that correct? And in your other thread, I see you installed a go light that's located in front of your BR24. Have you noticed any radar interference from the go light? I've been struggling to figure out where to mount the same and hadn't considered that due to radar. My BR24 is on a stand exactly like yours.
So far I have gotten blamed for a few miserable bottom paint removals,lol

Thats correct, I scraped the bottom paint off, the hull had been prepped for bottom paint when it was put on. So after scraping the bottom paint, I found it had sanding marks everywhere.

Not only did I not regelcoat, but I dry sanded everything,no wet sanding. The Film discs I used are simply awesome. Used 600 to get through the scratched up gelcoat, then 800 and 1000. Even after you are done with the 600, if you take a rag and wipe off the dust film, you will start to see the hull shine. By the time you get to 1000 your good to go. I used more 600 discs than 800 or 1000, when you get to those grits, you do not have to sand as much because you are simply smoother then.

3m compounded by hand after 1000. Hull is not waxed yet.

As far as the go light, no ill effects of it mounted in front of the broadband radar. Keep in mind the radar scan is about half way up inside the radar dome, so with that and it being on a pedestal, it is scanning above and over the top of the go light. Hope that helps.


Originally Posted by HOTSPOT View Post
Looks damn good man!!
Thankyou

Originally Posted by Swkowboy View Post
excellent job
Thankyou

Originally Posted by MacCTD View Post
Wow, that is awesome.
Thanks man
Old 03-27-2012, 08:49 AM
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Looks really good.....wish I had the patience for that
Old 03-27-2012, 09:15 AM
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It does help, now plans are in place for end of year when I have more time on my hands than $$$'s. Thanks!
Old 03-27-2012, 09:47 AM
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Looks Awesome Man
Old 03-27-2012, 10:04 AM
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nice work!
Want to keep going and do my boats bottom too?
Old 03-27-2012, 04:49 PM
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Anyone interested in just this project can see everything I did at this thread. Its also where I got the most help with what to do. http://classicmako.com/forum/topic.asp?TOPIC_ID=40943

Originally Posted by MakoMarineSupply View Post
Looks really good.....wish I had the patience for that
Thankyou. I found that doing it in sections really helped keep me motivated. I would completely finish to a polish one area, then move on to the next area. Patience does help, and alot of sore muscles along the way. the good news is I'm in pretty good shape for the spring,lol

Originally Posted by GulfC View Post
It does help, now plans are in place for end of year when I have more time on my hands than $$$'s. Thanks!
Its a good winter project for sure. I just bundled up in my bibs and carhart jacket. Layed on the ground and scraped and sanded away.

Originally Posted by jdunk View Post
Looks Awesome Man
Thankyou sir

Originally Posted by abaco772 View Post
nice work!
Want to keep going and do my boats bottom too?
Lol, nice try, think I'll focus on getting the other projects done first. Then again, how much are you offering?
Old 03-27-2012, 04:54 PM
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Very nice job and nice boat too!!!
Old 03-27-2012, 04:58 PM
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oddly enough I was just speaking with someone about restoring my original gel coat...I do not need the bottom paint as my boat is lift kept.....I got a price of 5k.....still looking ...If I had the time I would do what you did....well done !!!
Old 03-27-2012, 06:32 PM
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How did you get under the Rollers on the trailer? Just wondering if there would be a good way of stripping it on a boat that has bunks on the trailer.
Old 03-27-2012, 06:37 PM
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Looks incredible..and back breaking.
Old 03-27-2012, 07:21 PM
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Originally Posted by jdm View Post
Very nice job and nice boat too!!!
Thankyou Sir. Still have some projects ongoing, but she's getting there.

Originally Posted by VodooChild31 View Post
oddly enough I was just speaking with someone about restoring my original gel coat...I do not need the bottom paint as my boat is lift kept.....I got a price of 5k.....still looking ...If I had the time I would do what you did....well done !!!
Thanks man, Yeah, I had quotes in the $3500 and up range for my size boat

Originally Posted by jdunk View Post
How did you get under the Rollers on the trailer? Just wondering if there would be a good way of stripping it on a boat that has bunks on the trailer.
If you look at the link in the #14 post it will show you what I did, but in short, I tied two straps off to the stern, pulled the trailer slowly forward and put a 3 ton car jack under the stern keel to support while I was scraping and sanding those areas.

Roller trailers definately have some advantages, If i had bunks, I would have removed the boat from the trailer and put it on blocks.

Originally Posted by Joe View Post
Looks incredible..and back breaking.
Thankyou. The back wasn't bad other than getting up and down from under the trailer, but the arms, shoulders, neck all got a workout.;?
Old 03-27-2012, 07:33 PM
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Originally Posted by dahlbebop View Post
Thought I would share my latest finished project. For those that consider stripping the bottom paint and restoring the gelcoat back to new on there boat, I can contess, it can be done!!

I have done many projects refurbishing this boat over the last couple years and finally got the bottom paint off. You can check out the entire process in my thread below but here is a short version.

This is a 1990 hull, boat came with bottom paint on it from previous owners. I trailer most the time and wanted it gone. After recieving a couple estimates and a couple "that can't be done attitudes", I decided to try it for myself.

With some testing and helpful advice from some others, I was successful. The bottom had three coats off paint on her. I scraped the paint off and then (dry) sanded with 600 grit "film' disks on the Da sander until I was sanded down through the preperation sanding marks that were there from where they had prepped the hull for bottom paint,. Then used 800 film discs and then 1000 grit film discs. Then compounded with 3m restore compound to a shiny gloss by hand.

This is an old pic but its basically what I started with before.



after -



Scraping the bottom was the way to go, I tried multiple strippers but got no where fast.
Here you can see an area that has been scraped with a 1 inch stiff paint scraper. Once you get started, it comes off realitvely easy down to the barrier coat/gelcoat. Then you dry sand.





I tried all the scrapers, the one on the right was the best by far. Lowes, $4.



Film disks used.



Scraped down ready for dry sanding with film disks.



Polished and Restored pics





















You can check out all my projects at the link below in much detail. Hope this helps others get a beautiful bottom,lol


Yeah,,you shire did a nice job there. I've done a few so I know all your hard work.Great job.

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