Great to see work returning to the boat. I'd appreciate some additional voice over during the time lapse video, explaining the reasoning behind all the cuts made. Your channel is a treasure. Thanks

When i did mine, where the excess is, i put polyester with cabosil and rounded it with a party plastic spoon, to make it easier for the fiber to get the shape, the edges of the coosa i rounded it, before installing it, with a router and and a 1/2" radius bit, hope this helps you if you haven't done it already. Let me add here that most of what I know about fiberglass work I learned it from you.

Your reason for polyester is exactly why I'm using poly on my project. The fact that you can just keep right on laminating or stop for a week makes the most sense for me because I work 6 days a week. Just bought several different rollers and pre cut 1708 rolls at 8 inch and 12 inch rolls. Also bought some 6 oz roving and have ordered a small 10 yard roll of 24 oz roving.

Hi Andy, It is such a breath of fresh air to hear your comments regarding the use of polyester. I live in Australia and have been keeping myself busy in retirement by doing some complete rebuilds on old fibreglass power boats in the 5 to 5.5 metre range. I have stopped commenting on several of the Facebook sites over here relating to restoring old boats as everything is you must use epoxy. I use epoxy for all gluing and polyester for filleting and layups. As you said these old boats were all built out of polyester so why not rebuild them with it. It is so good to not have to wait overnight for epoxy to go off before the next layup. I have watched your videos for a long time and want to sincerely thank you for sharing your expertise.

ive learned an awful lot from you over the years, contributing much to the rebuild of my macgregor. one of the wierder side-effects of learning from you is that i sometimes catch myself narrating my work as i go along. even worse... sometimes my wife catches me talking to thin air while laying glass. 😄

I can’t wait to see this hit the water! I had to pass up on a 20 ft Moppie last year. Still kicking myself for that one.

When it comes to mixing my gel coat or poly resin, I've completely switched to ml. It's much easier to do ANY of the calculations. The only time I do drops, is if I have to mix only 1oz (29.5ml, which I round to 29) for a small repair. If I want to catalyze at 1.5%, it's easier for me to calculate 1.5% of 500(ml), than 1.5% of 17(oz). 1oz=~29ml. I highly suggest using syringes for your MEK measuring. It's a 1:1 ratio ml:cc (5ml = 5cc) For those who have trouble with the metric system, try looking only at the number for ml and forget about the words: cubic centimeters/mililiters.

I just bought a ton of fiberglass mat from an auction, maybe 20 large rolls of it 3 ft wide by maybe 30 40 ft long. I run a marina so it will come in handy but if you need a few rolls I might be able to help you out.

A finish router with a round over or 45 degree bit would be good for doing the edges of the cusa board.

A party indeed ! You are really cooking on both of these deals now, your addition, and the Bertram. Your drive is unbelievable, look forward to the next video as I do every weekend !!!

The building is looking so good. Wish you many hour happy in there with the Therapy.

I've used polyester resin mixed with talcum powder as a filler to do fillets and fairing with no issues. But most importantly is the polyester resin will break down the binders in the chop strand mat so that it can move freely and be rolled out much easier

Your point about not needing to deal with the amine blush and sanding between coats is very valid. I am curious about a laminating epoxy resin like the System 3 Silvertip Epoxy which according to their documentation does not have any blush and can be recoated without sanding if done within 72 hours.

So awesome!! Thanks for sharing tips on the Structural Repair Putty! Can't wait to see it glassed!

Just finished restoring a 71 Powercat, I used polyester resin, works like a champ and easy on the wallet. I like epoxy, but hate the cost and the wait time. I will say you better have your act together on a polyester layup! Otherwise you will end up with a mess! I restored a Sleekcraft about 12 years ago, again all polyester, she had been beaten and rode hard, and has held up great! I don't have a thing against epoxy, but you just don't need it sometimes. I do uses epoxy here and there, but mostly as a bonding agent more than laying up glass. I am always amazed at how everyone gets worked up on this subject. Hey just use what works for you and what you like. They are both great products, don't get lost in the weeds!

Hey Andy, I just subscribed to your channel after watching a bunch of your videos over the last few days. I love that you go the extra mile to make your clients projects look and perform as good as they can be. You’re TRULY an ARTIST !

Andy I love your new shop, it is BA !! Thanks for the update and tips.

Do it the hard way grind that 90 degree before you put it in there. Strength wise if you want it good epoxy for a transom. I have used polyester in a transom stress cracks galore it held together never flew apart

Electric Shear Samurai.......that was some nice cuttin there...

Hey Andy, great tutorials. Informative, flowing and humorous. I stumbled onto your vids (luckily) as I’m down here in Montana with a project boat without advice or supplies. I’m replacing the rotten core of the salon roof/upper deck but….from below. No access to a shop so gotta do this from inside against gravity. YUK. Trying to learn as much as possible from your vids and just caught you using the Polyester Structural Repair Putty here. You’ve sold me on Coosa and wondering if the putty would be a a good choice for Coosa to the upper skin and also laminating Coosa to Coosa. Working upside down I realize whatever I use will have to be thickened big time. The putty looks about perfect for this nightmare. Thanks much in advance. Cheers, Bill

Great vid thanks Andy 👌 look forward to seeing the glass laid up next week. Iam using poly for my project, partly because of costs, and also I think if it was made from poly why not use poly for the repairs. Iam also planning on using gel coat so definitely need to be poly for any work that's getting coated.

Although I did use chopped glass in a jet boat and it never came back. I use a air feed mask for major fumes.

Looks awesome. Great to see it all coming together on Bertie!

I'd be interested in knowing why you decided to round over the edges of the Coosa by hand. Would it have been possible (or easier) to use a palm router with a round-over bit or even a palm sander?

So when you built up the transom how many layers of fiberglass 1708 did you put down because I’m trying to figure out what it would cost for me to get my own boat done I haven’t started yet I have been watching a lot of your videos on my idea of building up my transom is going to be getting replaced by me I figured while I’m fixing it I might as well get the boat done right I have experience with fiberglass but I’m learning about fiberglass boat and that is that you don’t want to mess up its has to be perfect I have found your videos very insightful and have subscribed to your channel

that is a absolutely beautiful Boat. Your videos are very interesting.

Thanks for your opinions on the epoxy vs polyester resins, I am starting a project on the front cap of a motorhome. Hit an elk. So appreciate your input.

If you round the edge of your Coosa before installing it to place, you can make your job easier. 😉

Chris Morejohn is a big fan of polyester resin.

What I was wondering while you were cutting the fiberglass is which of your daughters made all of your string bracelets? Good on you for being willing to sport the fashion they make for you. Also, that addition is going to be nice. Looking forward to seeing it get kitted out in the future.

My 1959 Biesemeyer is Poly. Nothing wrong with it.

Thanks your really educational. One question, you used epoxy to bond the transom pieces together and now your using polyester resin for your fillets and lay up, I did not think you could have the epoxy resin contacting the polyester or vinyl ester resin. Thanks

Thanks 👍🏻

I need help, I have cut in the bottom of my 1987 fiberglass bay liner 15ft 7inch boat the cut is about 10 inches long and maybe a 1/4 inch wide I have access to both sides of hole, what products should I use ?

100g is approximately 4oz (28g = 1 oz).

I own a 1969 Stingray 2, it's a small, 6 seater, speedboat. The floor is squishy, and all the wood structures of the chairs is all but dirt. I've decided to restore it so I've started gutting it, at the point of cutting the glassed in floor. Is there a resource you could point me to on best practices? Any advice would be greatly appreciated. I've never worked with fiberglass or resin before. Thanks

Love your work Andy, keep it up. I have a question ( hope this is the right place for it) I’m redoing the transom on my 1981 c-dory and over 6 ft of length I have 4” of curve. I want to use coosa ( originally it was built with scored balsa core , 1 1/2 . ) I haven’t been able to get my hands on Coosa .. so I don’t know it’s “bendability” 🤷‍♂️ which combination of Coosa should I use? 1/2”x 3 layers?, ….3/4 x2 layers?? The curve of the transom is a 4” out at the Center. That’s a lot of pressure , I’m thinking.. ? Or are curvy transoms best done in balsa?? Thanks bud!! Hope your day is awesome! Doug

With 500 Dromedille Hi I here an old with 500 I am about to recover it consists of two hull an inner hull and is outer hull. I have divided it into two parts and remove the old foam that was in it and the old wooden plate that was in the hull and there are 7 fiberglass frames in it instead of foam. There is a new wooden plate at the bottom and in the aft mirror. But have a damage to my inner hull as it gets a separated. It is inside the boat the so-called deck. But it can be made on the ideas side and then the part inside the hollow space of the boat when it is assembled. But am a little in doubt where the one I best for made the crack in the deck

Been curious about the repair putty. In your opinion, would this be an acceptable media to fill old screw holes on a console (from old electronics mounts) or old screw holes from where a bow rail used to sit? I would cover it in a layer of new glass and gelcoat afterwards.

Hi, really terrific videos you make. I have been re-watching many of your videos for my very first build. I have wrapped the hull in fiberglass and am now fairing it. In one of your videos you mentioned about sanding the fiberglass before fairing with 80 grit. What is a visual indicator that the fiberglass is ready to accept fairing compound ? thanks for reading.

Sooo...were not tying the knees back into the transom?

I'm curious. Could you have used a laminate trimmer or router to round over the edge of the Coosa before you installed it?

why not use a scale to balance the puddy and the hardener? 2:100

Most of that would have been easier before the board went in.

You know how they say hind sight is 20/20…. Rostering that edge before install would have saved a bunch of time

Great info thank you I love your channel. Quick question regarding the 1708... do you alternate the direction of the stiching at all between layers? I ask this because i ran a test panel, 2 layers of 1700 in epoxy and it os super flimsy.. confused..

Tried to buy fairing compound. Out of stock except gal jug. And it’s only good for 6 months? Can’t do it.

Would a fiberglass Chopper gun work just as good to glass in the transom?

Now you used epoxy for cousa will it polyester bond to it ?

What is the tool you are cutting the cloth with? I need one of those! Hi from Australia!

My understanding is always been the polyester fiberglass it’s not as strong as epoxy fiberglass am I wrong

What is the link for the shears used to cut glass?

👍!!!

Chopped glass in a can never use that shit for strength

How do I get a boat worked on by you?

Great video as usual! When will you join the rest of the world and going metric...... ? ;-)

I don't know why you keep on mentioning vinyl resin you never use it so eliminate it

... you didn't shave interesting

Appreciate your videos Andy! 1st comment haha