FIBERGLASS REPAIR OR COSMETIC GELCOAT TOUCHUP FOR YOUR BOAT??
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- Опубліковано 29 вер 2024
- Wasn't sure if I'd have this finished before leaving for the project with #TotalBoat in the morning, but I can sleep on the plane lol ;-)
VIEWER SUBMISSION: This is probably the most common type of repair that you will run into as a boat owner; is it a chip and ding or does it require some fiberglass touch-ups before finishing?? What does the overall process look like??
Well, wonder no more :-)
If you'd like to see what the gelcoat color matching process looks like here are the vids I put together several years ago (but the information has not changed !! ;-)
• Gelcoat Color Matching
Hope this helps!
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As the person doing the repair, you will always see it, no matter how perfect a match. It somehow burns an image in your brain. You see stuff that isn't there.
I matched my gelcoat and it matched so well I had a hard time seeing where I coated! Came back a few days later and it cured much lighter and is a terrible match. What happened? I did compound old are too.
What thinner did u use? Acetone is a no no in my book. Also color matches look great a lot of the time until u wet sand and polish
Why wouldn’t you add thickener to the gelcoat to build the repair faster? Thanks for the video👍🏼
Man, you are the one of two that i firstly "like" and then watch your video❤👍
I did the same 20 seconds into the video. And the intro might be 15 haha
Thanks for the tips and tutorials. I’m getting ready to bring an old Bayliner Capri 1850 LS back to life . I think I’m looking at replacing the deck , will know once I start the teardown . Your tutorials have brought me up to date on fiberglass work from when I learned on PBR’s repair when I was in the Navy back in the mid 70’s .
Those mold flaws are frustrating!
Great information, thank you Andy 👍😁
Always great information! Cheers!
Regarding color matching....I found learning to mix anything beyond white, especially darker colors to be a long learning process. However, most of the bigger PRO marine fiberglass/paint suppliers in marine centers, like Fort Lauderdale, have spectrographic analyzers. Give or send them a chip, even a smaller one, and they will mix the gel coat or paint exactly for an old color after the 1500 sanding in my experience. I may have to break off a chip from an undamaged area to get the chip but I'm doing the area anyway. Just make sure it's from the same area: sun attacked or not-so-much. (If at a dock and not end-for-ending the boat periodically at the dock, one side will age more than the other) Usually I could pick the color-matched gel up the next day or mail it in and have it mailed if far away. Fast, reliable, cheap and accurate on top of saving me bags of time and the possibility of having to do the job over if not a close enough match. They also have all the materials you might need like PVA & MEK that your local marine store or auto paint supplier may not have. I used to buy storm damaged boats from insurers and zero-time them sail or power: new engines, all new upholstery, panels, radios and electronics, rewire, and either repaint or re-gel the entire hull if needed. Gave the original color brochures to the upholstery shops to work with. Very satisfying results.
Hi, can you advise whether it is good idea to remove old 2 part paint from gel coat with soda blasting, especially on curved surfaces? Thank you
Hi Andy, thanks for the helpful video and your pragmatic approach, as always. My question refers to the required prep work to be done on the spots with exposed fiberglass. Normally, the exposed glass acts like micro-pipes sucking the sea water, which evaporates then leaving salt inside the glass structure. Doesn't it affect further bonging of the new gelcoat layer if we only sand the spot with, say, 220 or 320 grid paper? Will the new gelcoat durable as bonded to the glass and salt background?
Thanks for the informative video! Not sure if my question applies, I do need to fix quite a few nicks, but there is a complication: someone has applied a coat of paint on top of the factory gelcoat. Not sure what that paint was, but it is decomposing to the point that leaves my pants white whenever I seat on it. Clearly I would need to sand it out, but what strategy would you recommend for that? Like how to tell I am down to the original gelcoat without inflicting too much damage onto it? Thanks in advance!
Hi Andy. Helpful info. I should have watched this video before i purchased the gelcoat for some chips and cosmetic repair. Can i do this with waxed gell coat?? I purchased White gelcoat with an assortment of tints. waiting for it to arrive. Im in Belize so it takes a while to get to me.
One thing - if I’m repairing the gelcoat on my boat, I don’t care if it matches - white boat = white gelcoat… if I pay someone for a repair, I better not be able to see it.
I see it as a sign of the diy spirit -
Great video! Could you not use Flowcoat for the repair instead of Gelcoat as Flowcoat has the wax in it already?
Can you fiberglass over gelcoat if you rough sand it very well or do you have to grind it all off
can you do a video on pouring a transom or why or when its appropriate?
Ma non fai più video dove resini barche? Perché?
He did something to his shoulders/rotator cup and is waiting on surgery. We get this until after he gets that.
Hi Andy! I have a question. I have an old wooden boat that I want to restore. I think the work flow is as follows: remove all paint up to the wood, fill gaps with fiberglass putty, sanding, dust removal, polyester impregnation 430g/m2 glass fabric polyester and finally a top coat (wooden fishing boat) thank you. follow your works on your UA-cam videos, you are an excellent person!!
Through your retail site am I allowed to ask you a question about all the alexseal items I need for my project
This article I wrote should help you get started in the right direction :-) millerboatworks.com/1-versus-2-part-coatings-whats-the-difference/
I hope I am still.in time for you to see . My issue is not video worthy. But I have to replace the transom on my 68 glastron cv 16 basically the sister boat to leave jump boat in James bond. To my question. Should o go with plywood covered with fiberglass and thicken Resin? Or should I go with liquid transom.
I recently purchased a boat that needs some of these minor repairs but it's got a glitter coat that I'm sure I can't get. I would like to change the color of the boat to purple with gold flake from the current red and blue flake over a blue gel any input would be great. It's a 1996 ranger 361v
Thank u so much for taking the time to make a video about this subject. I'm redoing my boats gelcoat and doing some minor fiberglass work and this video is going to be very helpful in that process. Great job on providing us content. And I just love ur channel. Anyways keep up the great work and much love to ya from Maryland❤❤❤.
I had my 1983 C&C landfall hull sand blasted below the waterline (cored) in the fall and noticed some spider cracks in the gelcoat on the starboard side. I’ve let it dry out over the winter. They are in 2 areas 1) where the jack-stands perhaps may have been placed over the years (just fore of the bulkhead - flexing), 2) above the keel on the hull stub (flexing), so to speak. Just my theory.
How would you suggest going about fixing those? There are lots of videos above the waterline, but I could not find any “Andy next Level” videos really addressing below the waterline.
I plan to barrier coat. I thought you might be interested in a video of this nature and I’d sure like to help. If interested, let me know here and I’ll be in touch.
For nicks and dings like this, I use MarineRx after feathering the gouges out. In bright UV in tropical areas it might yellow a little, but here in Chicago, it's good enough. Don't let perfect be the enemy of good enough.
Hi Andy I'm going to be doing some of the exact same work and some impact damage work above the rub rail. Also holes from a bimini top and I want to repair the areas under the hand rail. The boat has non slip built into it with diamond shape niples so I can just do the best I can to preserve it when fixing some of the cracks. I'm going to paint the whole top side after right down to the rub rail and leave the rest of the hull alone for now. I have bottom work to repair first.
Andy, you did an excellent video on gelcoat years ago (~5yrs). My sailboat repairs shined and were flawless! I even brought back a fiberglass garden tub by following your wet sand/compound instructions.
thanks for the tips. I have been helping a friend repair chips on his boat and evry time we start sanding the fiber glass would show through. I will try starting with the 600 instead of 400.Thanks for the video!
Good info. I re-gelcoated a hatch on the rear of my boat. The color match was very good but I was not blending into any existing gelcoat. After about 5 years or so, this panel is a bit darker as the gelcoat matured. The boat is an off-white. If this is typical of gelcoat (which I am not sure), then I would say that if you have the new gelcaot off a hair, error on the light side.
The other thing I heard when blending is to use a little of the clear gelcoat after the void is mostly filled in. Essentially add 1/3 of clear into the existing mixture and then add in more clear for the final coat. It makes the transition less noticeable.
Tricking the eye is key. I’m a professional so if I can barely see it when I’m done that’s a win. Glad Andy pointed that out in this video. At this point I can even do it with paint on cowlings. It is a bit tricky tho
Omg thank you! I was trying to figure out what grit to start out with on my little chip repairs. I'm new at this so I want to be on the safe side.
no matter how good you are, matching gelcoat job keeps water before repairman leave, soon or later
Your talking videos are great, let the others do the manual labor and share your knowledge. Way to go!!
hi Andy from Australia. this tutorial was perfect timing for me, thx mate.
Woohoo!! See you soon !
Nice. You explain everything nicely
Is there any difference between MEK and MEKP for polyester gelcoat ?
Mek won’t catalyze gelcoat
Mek will clean or thin it but for thinning I only use styrene
Mek-methyl ethyl ketone
Mekp-methyl ethyl ketone peroxide. I’m guessing the peroxide chemically changes it pretty drastically
Andy, this is exactly the advice that I needed. Thank you
Great info. Welcome to Rhode Island.
The best channel on youtube this! Love it ...
Andy do you ever do repairs that involve flake?
Use clear gelcoat, blow the flake in off your hand and clear gel over that. Then wet sand and polish
Hi, will silica or cabasil change the color of gelcoat?
Colloidal Silica and cabosil are 1 in the same. It shouldn’t change the color but can shrink a little. Use as little as possible to achieve what your trying to do
No more portrait videos please
I'll get back on the normal stuff after surgery ;-)
You talk way too much