Great video! Thanks for sharing your tips and tricks, it looks awesome!

I am liking your channel, love seeing peoples take on how to do boat repairs.

@HoldFastMarine

Жыл бұрын

Thank you.

I used to do fiberglass years ago. We used to just use everglass to do fills and then thin out the gelcoat with acetone to spray. Worked out great. My first time seeing it done this way. Looks great!

@HoldFastMarine

Жыл бұрын

Much appreciated!!

Very interesting & insightful ! I'm about to embark on sorting out my Ring 18 over winter. Thanks for sharing your expertise ... 🇬🇧

@HoldFastMarine

8 ай бұрын

Good luck

Awesome 👌

Thank you for the video 👍👍👍👍

@HoldFastMarine

Жыл бұрын

Thanks for watching!!!

I'll be redoing bottom of bass boat reel soon so thanks it helped out alot

@HoldFastMarine

2 ай бұрын

Best of luck! Thanks for the nice words!

I've painted hundreds of cars trucks and boats but never have done gel coat thanks for the help

@HoldFastMarine

Жыл бұрын

Thanks for watching!!!!

Seeing the condition of the boat you’re working on makes me feel better. I’m working on a 1968 Sunfish left outside in Arkansas for the last 5 or 6 years but it doesn’t have the hull damage yours does. Was the bailer already off when you got the boat? Mine is the metal bailer rusted on so have to cut it off. Luckily there are You Tubes to show me how. Glad to see you wearing a mask. You’ll be glad you did when you’re in your 70s!

@HoldFastMarine

Ай бұрын

I removed the bailer. These are not my boats. I hate sailing. They belonged to a Boy Scout camp. I wear a mask when I can! Thanks for watching and the great comments! I hope you subscribed!!

Get the plastic can spout. Awesome.

I use roll down plastic outoor cafe style blinds battened to the rafters and an extraction fan to deal with overspray.Blinds roll up in a minute and are totally out of the way.Available at any box store.Ross.

@HoldFastMarine

2 жыл бұрын

Those work great too!

Great info ….i just bought a 1972 triton 26 ft….that will need a internal and external refurbish,,,,,,

I love see you make a video using gelcoat over fiberglass that has bondoe on it , i am working on a kit car

@HoldFastMarine

Жыл бұрын

I’ll give it a thought. Thank you.

@kevinramey4226

Жыл бұрын

@@HoldFastMarine thanks

7:30 ish is an oil-painting and clay modeling blade. I've purchased them at Art Supply Stores and there are many variations.

When spraying you should never flick your wrist. It is all in releasing the trigger while still moving.

I have an older boat that is very similar to a sunfish, and the bottom of the hull is in bad shape with spider cracks. Do I need to sand all of the old gel coat down to the fiber glass and then put new gel coat on ? Thank you for your response

Don't worry about hitting your I phone with overspray I've hit mine with a lot worse may of even thrown it a time or two. Boat looks good already

@HoldFastMarine

2 жыл бұрын

Lol. Well I don’t like spending 900$ on a new phone

Awesome video, very informative, but I got a few questions. How much psi were you running for spraying the gel coat? and how far did you sand? Im trying to respray the hull of my old stand up ski and its got some decent scratches in it, would you sand it till the scratches are flat with the hull? thanks

@HoldFastMarine

10 ай бұрын

All that info is in a .pdf on my Patreon page!!

Can i apply epoxy paint first before I apply the gelcoat final coat with wax? Please and thanks for the reply

@HoldFastMarine

Жыл бұрын

No. Gelcoat will not adhere to epoxy.

Great info. What size/type compressor would be needed to spray gelcoat?

@HoldFastMarine

2 жыл бұрын

Depends on how much you have to do. The larger the area the more cfm you need.

@popsoldboats3406

Жыл бұрын

You can actually use a small pancake as long as you follow a few basic rules.

Sir thank thank you do have training classes if not you should make one

@HoldFastMarine

8 ай бұрын

I do. They are all in person classes at my shop.

Great video! What is the black stuff you rubbed on the boat before you sanded called?

@HoldFastMarine

Жыл бұрын

It’s called a guide coat.

boy, i have learned quite a lot. i am restoring a 1972 Hawaiian 21 ft. jet boat the gel coat is gone the metal flake is rough. where do i start any help would be greatly appreciated!

@kennethbotkin5779

Жыл бұрын

A few years ago I restored my old Bahner flat deck. First things first was I repaired everything on the hull exterior. Then capped the rails (obviously not a necessary step) then got to replacing transom and stringers. Got all the dirty work done first. Then it was on to paint. In hindsight I wish I would’ve re-gelled it because it hasn’t exactly held up. Then built the engine and jet. Eventually I’ll get a new interior. But best of luck, my dad has a fully restored 75 Hawaiian

Great Video but lacking info for me...What grit sandpaper are you using on the original gel coat? (The bulk of the bottom?) Is it 180 grit? 220 Grit? Can I use 180 for the first coat? I'm getting ready to re-gel coat the bottom of my 1978 GT150 GlastronCarlson and I am changing the color. The bottom is in great condition but the color is a putrid yellow that needs to go away. I am gel coating the bottom for the durability of have a tough surface on the bottom. I am planning on 2 coats of laminating and one or 2 coats of wax coat... But I need to know what you recommend for the initial sanding (what grit before gel coating?)

@HoldFastMarine

Жыл бұрын

I use 80 grit for the prep work. Sometimes 40 if I’m in a hurry.

I've found your videos very informative. I'm restoring a fiberglass car body and made the repairs using powder-coated random strand fiberglass mat and epoxy resin instead of styrene to avoid the 'wax' the use of which intimidated me. My question is can I gelcoat over the epoxy repairs? I seem to remember an issue with epoxy in one of your previous videos. If I can't gelcoat what would you advise?

@HoldFastMarine

Ай бұрын

First mike, thanks for subscribing. I always respond to subscribers. To answer your question, you cannot put gelcoat (which is polyester) over epoxy resin. It just won't bond well. Your only option is paint now. Next time just buy poly resin with the wax included, then you won't have to worry about it!!.

where are the links to all the products?

I have some pretty Long and deep scratches down my hull. It's a 32' contessa. I'm unable to spray gel coat because it's in the yet other boats. What would be the best way for me to repair this? I have total bait gel coat and some pigments for color matching. Again the scratches are several feet long.

@HoldFastMarine

3 ай бұрын

I would probably just apply the gelcoat with a brush. Maybe thicken it up a little with some cabosil or silica.

just wondering, does the polyester structural repair putty cure enough on its own to be able to sand? Or did you have to cover it with something to get it to cure without air? Thanks.

@HoldFastMarine

Жыл бұрын

It cures for me, some people say it dosent. Give it the extra time to cure and sand it with 60,80 grit at a low speed.

Great video mate! Whats the black dye that you spread that got into the scratches so you could see it when you were sanding? Cheers.

@HoldFastMarine

7 ай бұрын

It’s graphite powder.

@Pete-eb4ec

7 ай бұрын

And is that so you see where you've been or is it for a fine sanding?

that little puddy knife I believe is called a "Painters knife" or that's just something I've heard it refered to as.

@HoldFastMarine

Жыл бұрын

Makes sense to me!! It’s a great tool for me!

what are wiping on the hull as you are sanding, black stuff?

@HoldFastMarine

2 жыл бұрын

It’s called a guide coat. It’s pretty much graphite powder that when applied allows you to see scratches and low spots when you sand. The process is to sand until the black is gone. Then you know your surface is “flat” www.amazon.com/Mirka-9193500111-Guide-Coat-Black/dp/B00GTYHCGG/ref=mp_s_a_1_5?crid=18UEICE7NUEAE&keywords=guide+coat&qid=1650801015&sprefix=guide+%2Caps%2C74&sr=8-5

Ok! great video and good points to remember, I am re-gel coating my entire hull as well, but I need your input. I have sanded it down some previous small repairs were revealed because of small tiny air pockets and deep scratches. One spot is uneven needing fairing or leveling other areas are smooth and feathered out. what can i use for the uneven area I dont have silica? I am sanding to smooth with 180 grit should I go to a higher grit? and after fairing and sanding is it ok to blow dust off and wipe down with acetone and proceed with two layers of laminating gel coat without wax and final coat of gel coat with wax using Total Boat products ? I am at a disadvantage of completing the job from the bottom on a creeper by rolling will that be ok?

@HoldFastMarine

Жыл бұрын

Buy polyester fairing compound. As far as the prep work before gel coating; you can use acetone but I don’t recommend it. And I won’t do a hull from a creeper, nor would I roll it. It’s going to be a lot of sanding

@dl4922

Жыл бұрын

@@HoldFastMarine OK THANKS ! SO WHAT DO YOU RECOMMEND USING BEFORE APPLYING GEL COAT? DO YOU RECOMMEND SPRAYING IT?, I DONT HAVE A CHOICE BUT COMPLETE IT FROM BENEATH, MY BASS BOAT IS ON STANDS

@HoldFastMarine

Жыл бұрын

@@dl4922 well TotalBoats poly fair is good stuff, if they have it in stock. Spraying is always better in my opinion but not everyone had the ability/equipment to do so.

How much gel-coat does the average fiberglass boat use to cover a 12-15 ft boat? And is gel-coat "tintable" and can you add flakes to it to make it glitter?

@HoldFastMarine

5 ай бұрын

You can add any color tint or flake to gelcoat. Sorry it took so long to reply!

How do you decide when to use structure repair putty (what type) or just us a total fair compound? Thank you mike

@HoldFastMarine

Жыл бұрын

Fairing compound is for making things smooth, structural repair putty is for… well structural things.

@yavuzsan4921

Жыл бұрын

@@HoldFastMarine I used an epoxy filler for repair some staffs before coating with gelcoat. Was that wrong application? Thank you so much for the videos.

I just picked up an older sunfish that was, use the term loosely, repaired by the previous owner. He plugged the cockpit drain hole with fiberglass. Will that sand off?

@HoldFastMarine

Ай бұрын

Possibly. I’d need to see it to be able to tell you. I say just rip into it and see what happens!

If you were to spray gelcoat with wax, how much working time you would have?

@HoldFastMarine

Жыл бұрын

In the cup it’s the same regardless of wax or not. On the surface of the boat it’s a hour or two before it starts to gel. You only have 10 minutes or so in the cup.

How would you recommend doing it with a roller? 2 or three coats of gel coat and sand inbetween coats. Then do a coat of gel coat with wax?

@HoldFastMarine

Жыл бұрын

You can’t sand gelcoat without wax easily. It gums up the paper very quickly. If you want to sand just use gel with wax.

@connorwhitaker610

Жыл бұрын

@@HoldFastMarine I got the topcoat gelcoat that has wax with it

Hi, thanks for your videos, I noticed with your catalyst calculation for your gelcoat putty, that you included the silica in the measurement for the catalyst? If you used 2 oz gelcoat and 2 oz silica, shouldn't you use just catalyst for the 2 oz gelcoat only? Genuine question, thank you.

@HoldFastMarine

Жыл бұрын

Gelcoat is catalyzed by total volume.

@makingcookingfixing

Жыл бұрын

@@HoldFastMarine By total volume of gelcoat I would imagine, not the inert material mixed in.

@HoldFastMarine

Жыл бұрын

It is by total volume, including any pigment or anything else you add to it.

@makingcookingfixing

Жыл бұрын

@@HoldFastMarine Hello and sorry again, but I checked everywhere and all resin suppliers say that the catalyst ratio is to the resin, not to the total volume. Mx the catalyst with the resin at 2%, then mix in your catalyst. I am. not being a pain, I just want to get the job done right and doing my research.

@HoldFastMarine

Жыл бұрын

Your not being a pain. Not at all. In my experience (20+ years) I’ve found that total volume is better to catalyze at. Now, let’s be clear it’s poly resin right? So if you need to add 5cc or mekp and you add 8 or 4 it’s still going to cure. Sometimes just to get it done fast I’ll add 3-6 more cc than I need. It’s all About ambient temperature as well. If it’s a 90 degree day you need to mix at 1% or 1.5%.

Can you start with the waxed gelcoat from the beginning of the coats? What's the difference between two coats non-waxed, followed up by 1 or 2 coats waxed vs all wax coats? Do you have to wait for each coat to dry/cure before the next one?

@HoldFastMarine

7 ай бұрын

Laminating gelcoat is just that. The ability to laminate many layers without sanding in between. Waxed gelcoat cures hard, therefor if you apply it it will cure and you’ll have to sand before doing another coat.

@daallaassyy

7 ай бұрын

Thank you!@@HoldFastMarine

if you had it, could you have used TotalFair by Total Boat instead of your home made mixture? I get the idea that these boats are poly ester and not epoxy layup, and I have used TotalFair, a lot. thoughts? thanks, Chuck

@HoldFastMarine

Ай бұрын

Hi chuck. Total fair is epoxy based therefor the gelcoat will not adhere properly. Second total fair is not the best fairing compound out there. It's far too expensive for one, and really does not cure well. If you become a channel member you'll see why I'm not a fan of total boat anymore.

@JenkinsBoatWorks

Ай бұрын

@@HoldFastMarine Hi Will, I subscribed. interesting that you say this about TotalBoat. I have had some issues with several of their products an there are just other brands that are go to for me anymore, Epifanes for paint and varnish, west system for epoxy, that sort of thing

What is the black dust you put on the hull prior to sanding the bulk of the hull?

@HoldFastMarine

Жыл бұрын

Well if you watched the video I explain what it is 🤣. But just for you I’ll tell you. It’s graphite powder.

@mitchgrant1963

Жыл бұрын

I didn't watch in the proper order. I was just learning the answer on the next/previous video when your response came in. Thank you.

@JFabrication

Жыл бұрын

Its called a "guide coat" to help show how much has been sanded off, you can use powder or even dust some kind of black spray paint over it, just be sure to remove it all especially if if its not a completely compatible material. This is very helpful for large jobs you cant observe all at once, or controlling how much you sand off with a visual marker. Just something that will stand out to the eye, black over white and light colors, light over black or dark colors.

Do you need to thin the gel coat to apply 2 layers?

@HoldFastMarine

Жыл бұрын

Negative.

@thatrandomchannel8589

Жыл бұрын

@@HoldFastMarine thanks

Dollar Tree has shower curtains for $1.

How long after applying the fairing compound can you sand and shape?

@HoldFastMarine

2 жыл бұрын

Depends on many factors, temperature, humidity and how “hot” you mix it. Sometimes it takes hours, sometimes it takes 15 minutes.

@harbylimon8442

2 жыл бұрын

@@HoldFastMarine it was lest than an hour! That stuff didn’t even make it 15 minutes in the container before starting solidify. Went through almost the entire can. I appreciate the time you have taken to respond. Keep up the great videos.

@HoldFastMarine

2 жыл бұрын

@@harbylimon8442 well you mixed it too hot bud. Always mix either small batches OR use a bigger container. Polyester stuff is exothermic so the tighter it’s packed the quicker it sets. And thank you for the kind words!!

@harbylimon8442

2 жыл бұрын

@@HoldFastMarine yup, I found that out after the 4th attempt but I finally had it all in place and shaped out. It’s coming along but today I will be doing the gel coat. I have the foam roller and paint trays. Wish me luck, I’ll need it. Oh, I’m in south Texas where the humidity is high and the heat is crazy hot. Thanks again and any tips on the gel coat are greatly appreciated. Have a great Sunday!!

I didn’t think you could put new gel coat over old gel coat?

@HoldFastMarine

Жыл бұрын

You can

Is there a way to gelcoat without using a sprayer?

@HoldFastMarine

2 жыл бұрын

Yes there is, you can brush or roll it on. Be aware you want a thicker coat because you’ll be doing a LOT of sanding.

Your other two videos are hidden?

@HoldFastMarine

2 жыл бұрын

What two other videos? There is only part one and two up now. Part three is coming but I keep getting copyright pings on free KZread music… it’s been extremely annoying.

@michaelwhite7704

2 жыл бұрын

I was looking for number three as well. If you look at the sailboat playlist it says four videos but two are hidden. Nice work so far. I'm enjoying the channel. 👍

@HoldFastMarine

2 жыл бұрын

@@michaelwhite7704 I don’t know why it says that. Again I tried uploading the video and got pinged again. So I’ll have to re edit. I’m hoping it’ll be up by Friday. Sorry about all this.

The music is more worse than the fan😤 But otherwise a helpfull video and tnx for sharing.

@HoldFastMarine

2 ай бұрын

not as bad as this comments grammar 🤣 and your welcome. thanks for watching, I appreciate you!!

You use staff wo explaining what it’s for.

@HoldFastMarine

11 ай бұрын

Like what?

Making filler from gelcoat w/silica… You started w/2oz. gelcoat w/wax, added silica powder & mixed, then did some inexplicable calculations on calculator 🥴 which concluded in your adding 5 OZ.(!?!), of catalyst… Really??? What’s up with that? Seems like 10 times too much or am I missing something here?

@HoldFastMarine

Жыл бұрын

5cc not 5 ounces.

Dude, love your content, but Jesus, you need to put on a mask!

@HoldFastMarine

5 ай бұрын

lol. Maybe.

Question- what’s the differences/ advantages of using wax vs no wax gel coat ? Thanks

@peterbridge9394

7 ай бұрын

@markkraus3598 Mark, I'm learning this myself, so you must research and confirm what I tell you. I think that wax gel coat is a final coat only. I don't think that you can go over a wax coat, and if you need to go over a wax coat, you have to prep first to remove the wax. I think that a first coat will always be no wax. See dl4922 comment below, and also read the Total Boat product descriptions.

I lost a gun attempting to spray gelcoat only getting a small area sprayed before the gelcoat went off. The catalyst was carefully measured according to the weight of the gelcoat as per manufacturer's instructions at 1% ratio. So how is it you get to spray the entire boat which appears to exceed the 10-12 min gel time?

@HoldFastMarine

9 ай бұрын

Small batches. 20 oz or less. Also gelcoat needs to be catalyzed at 2% by volume NOT weight. I have other videos explaining how that all works.