Old Repairs- Never trust them!

The Main Sand Box for bertram31.com

Moderators: CaptPatrick, mike ohlstein, Bruce

Post Reply
Ironworker
Posts: 747
Joined: Jul 22nd, '17, 13:59

Old Repairs- Never trust them!

Post by Ironworker »

Starting on the cabin build out and had 4 or 5 old glass patches in the hull. I decided to grind out one before I installed a layer of glass in my fish box, just to check. The first one had a minimal layer of glass and was just filled with poly putty. No layers of glass nor was it ground back. That prompted me to grind out the others. Found two more just like the first then for the big finale, I found one with a wooden dowel used as a filler then glassed over with one layer of glass.

BTW, I just had my my 53 year old hull sandblasted. We took it back to the gel coat. The sight of 53 year old gel coat is not for faint of heart. I may need another 5 gallon bucket of Sea Guard 5000!
Rick Ott
Carolina Reaper
Hull # Don't have a clue
Geebert
Posts: 159
Joined: Nov 11th, '19, 01:04
Location: Ft.myers, Florida

Re: Old Repairs- Never trust them!

Post by Geebert »

Sand blasted?
Or soda blasted?
I've been told not to use sand or it will pit the gel coat.
Im not wanting to hand sand mine or use the goop to remove it.
I was hoping soda blasting would be the easiest, but i don't want to cause damage that isn't already done
Todd
Ironworker
Posts: 747
Joined: Jul 22nd, '17, 13:59

Re: Old Repairs- Never trust them!

Post by Ironworker »

Actually my guy was using the glass beads. Years of bottom paint, some epoxy painted over bottom paint. Bottom paint painted over barnacles! Best to get it down to the gel coat and start over with a good epoxy barrier coat. BTW, I wanted mine pitted so the epoxy will have something to bite.
Rick Ott
Carolina Reaper
Hull # Don't have a clue
Tony Meola
Senior Member
Posts: 7036
Joined: Jun 29th, '06, 21:24
Location: Hillsdale, New Jersey
Contact:

Re: Old Repairs- Never trust them!

Post by Tony Meola »

Sand blasting opens up every void in the gel coat. Which is what you probably want, but it is something I would never do again. Spent days filling a million pin holes. Well it seemed like a million.

Then put 5 coats of interprotect on her. That was done in 1986, still holding up.

It saves the issue of trying to sand it down. Soda Blasting is not as aggressive. I have also heard of a process that uses dry ice. Have no idea how that works.
1975 FBC BERG1467-315
Marshall Mahoney
Senior Member
Posts: 242
Joined: Aug 9th, '06, 20:44
Location: Belle Chasse, LA

Re: Old Repairs- Never trust them!

Post by Marshall Mahoney »

Or blast it yourself in your driveway just to piss off the wife...
Image
Ironworker
Posts: 747
Joined: Jul 22nd, '17, 13:59

Re: Old Repairs- Never trust them!

Post by Ironworker »

Mine is in the driveway. She's pretty pissed.
Rick Ott
Carolina Reaper
Hull # Don't have a clue
Snipe
Posts: 465
Joined: Sep 22nd, '17, 14:36
Location: Leonardo N.J.

Re: Old Repairs- Never trust them!

Post by Snipe »

I just had mine done on Wednesday. It definitely opens up lots of little checks in the gel coat I will be sanding and filling for a couple days for sure. I will at least be starting with a clean slate. Image
Jason
Tony Meola
Senior Member
Posts: 7036
Joined: Jun 29th, '06, 21:24
Location: Hillsdale, New Jersey
Contact:

Re: Old Repairs- Never trust them!

Post by Tony Meola »

For you guys who have upset the spouses, a word from someone who has been there, about 20 years from now, you will do something that will really twerk her, I guarantee it will cost you, because she is going to let you know about the time you had the boat in the driveway. Be prepared to splurge on something nice for her.
1975 FBC BERG1467-315
User avatar
Carl
Senior Member
Posts: 6082
Joined: Jul 5th, '06, 06:45
Location: Staten Island NY

Re: Old Repairs- Never trust them!

Post by Carl »

    Tony Meola wrote: Jul 8th, '22, 20:25 For you guys who have upset the spouses, a word from someone who has been there, about 20 years from now, you will do something that will really twerk her, I guarantee it will cost you, because she is going to let you know about the time you had the boat in the driveway. Be prepared to splurge on something nice for her.


    Lol… you think if you didn’t do the boat project something else would be the reason for the splurge.



    In anycase it has to be better to blast then scrape and sand to a bare hull like I did…funny part is that was the year I decided to listen to my friends and hire Mexicans to sand for me. I think it was $150 plus lunch. They did such an awefull job I started to scrape a few loose bits…but was pissed so scraped so hard I went down to glass in spots…which pissed me off as it made the layers of paint next to it look worse, so scrapped more. Hours later I was too far into it to stop, becoming a several-week project of removing, filling, and fairing bottom. With no blisters, I decided not to barrier coat the bottom. I’m not sure that was the right decision, but the boat was 40 years old and the bottom looked great…aside from a few dings.
    Last edited by Carl on Jul 11th, '22, 07:03, edited 1 time in total.
    Tony Meola
    Senior Member
    Posts: 7036
    Joined: Jun 29th, '06, 21:24
    Location: Hillsdale, New Jersey
    Contact:

    Re: Old Repairs- Never trust them!

    Post by Tony Meola »

    Carl

    We only sand blasted because my father wanted to get the old paint off. That was 1986, the year I got married. My wife who was my fiance at the time helped put the barrier coat on.

    She no longer paints the bottom, but she still helps clean and wash the boat as well as help prep for winter lay up.
    1975 FBC BERG1467-315
    User avatar
    Rawleigh
    Senior Member
    Posts: 3444
    Joined: Jun 29th, '06, 08:30
    Location: Irvington, VA

    Re: Old Repairs- Never trust them!

    Post by Rawleigh »

    Just so you don't get stuck in the coffin box permanently!!
    Rawleigh
    1966 FBC 31
    User avatar
    ktm_2000
    Posts: 1000
    Joined: Jul 17th, '18, 14:46
    Location: Central Mass

    Re: Old Repairs- Never trust them!

    Post by ktm_2000 »

    I don't remember the pain of being under the boat, but it took me a while to sand and fill and I only have a 25'
    https://photos.app.goo.gl/4uPGLV27oyBDmykX8
    Ironworker
    Posts: 747
    Joined: Jul 22nd, '17, 13:59

    Re: Old Repairs- Never trust them!

    Post by Ironworker »

    My Sandblaster took a total of 2 1/2 days.

    I'm correcting some patching and fairing the entire bottom. It will be slick and fast when we are finished.
    Rick Ott
    Carolina Reaper
    Hull # Don't have a clue
    Post Reply

    Who is online

    Users browsing this forum: No registered users and 343 guests