Mast refurb

[Ceirwan]

Anodising is of course the best finish, but cutting and sleeving the mast is a bit extreme. It can be done correctly and safely, and is somewhat common, many new masts come this way.

Best option I think as mentioned above, epoxy primer & a 2 part poly paint, powder coating is popular for smaller parts, but its generally not all that durable & you'd need an oven that can fit your mast for curing it. The poly paint correctly applied should be more durable anyway.

 

[lustyd]

I thought I read on a previous thread here that anodising was no longer done, because of the toxic chemicals involved

Loads of stuff is anodised including iphones. It’s not a pleasant process but you’re not doing it in your bathtub.

Nyalic, which appear to be clear coat resins

Delos are using Nyalic on their new boat. I got the impression it was more than a coating and interacts with the metal. They’ll be a good yardstick for quality, just like with silicon antifoul, which was quickly swapped for standard ablative paint.

 

[ducked]

I have just purchased a 30' Sagitta Catamaran, been in storage for 11 years!
the flakey painted, mast has been on a rack and will need new standing and running rigging. I have stripped most of the paint off and a rigger has told me the mast looks ok. My question is 1. do I re paint it myself, etch primer etc. 2. there is a powder coater near by who can handle 12.2m length @ £500. 3. There is also an Anodizer near by, similar cost to powder coat, but can only do 12m length so would need to cut and sleeve.
What would you do?

Mast refurb by painting starts about half way through, first of a 4-part series (with another couple on boom refurb and reinforcement).

Powder coating didnt work out well.

 

[KompetentKrew]

I hate it when information is gated behind a video. I want to know what they found and what their conclusions were, but I'm not sure if I can face 30+ minutes of video.

 

[ducked]

I hate it when information is gated behind a video. I want to know what they found and what their conclusions were, but I'm not sure if I can face 30+ minutes of video.

Individual vids are 5-6 minutes, and the first half one, which should be sufficient to get the flavour, is about 3.

But since your time is evidently of much higher value than mine (TBF, that isnt hard these days) I can summarise

They use AWL-grip paint and prep, and foam brushes, technique for which is discussed. Fitting removal eased by having previously TEF-gelled and polyethylene isolated during an initial refit years before, and the minimal resistance encountered overcome by penetrating oil (brand unspecified, AFAIK) and a manual impact screwdriver. The latter was used with a plastic dead blow hammer, a possible enhancement I have wondered about and will have to try.

Removed fitting were hung up and sprayed with a Preval refillable aerosol-propellant stylee sprayer, again using Awlgrip. Stainless fittings were de-stained and passivated with citric acid.

I do agree that Youtube videos are generally a woefully innefficient way of communicating technical information, a word is worth a thousand pictures (depending on frame rate) stylee, but this author does have a text-based blog and some Practical Sailor articles which might fill in some detail.

 

[Bodach na mara]

I am also one of the cynics wrt powder coating. I have had many items, powder coated from new, where the coating flakes off within a short time. No doubt the advocates of the process will claim that the coating has not been properly applied, but these were new items where the coating was applied in the factory as part of the production process.

 

[Snowgoose-1]

Why should there be any halyard wear with in mast halyards?
We have zero ropes able to touch the mast. Main halyard on end of boom, spinnaker halyard on bowsprit, pole uphaul also moved off mast (round mooring cleat to avoid forgetting).

True about halyards.
I was next to a boat on winter hardstanding that painted his mast. It was a lot of work and it did have outside halyards .
The following winter found that the mast was quite grubby with quite a few nicks. Perhaps the paint was applied too early and was not hard enough.

About 20 years ago, Blakes did a mast oil that was hand applied. It was a very light oil. Looked great, but after a few weeks went dull again.

 

[ducked]

True about halyards.
I was next to a boat on winter hardstanding that painted his mast. It was a lot of work and it did have outside halyards .
The following winter found that the mast was quite grubby with quite a few nicks. Perhaps the paint was applied too early and was not hard enough.

About 20 years ago, Blakes did a mast oil that was hand applied. It was a very light oil. Looked great, but after a few weeks went dull again.

I'm pretty indifferent to it looking dull, but would want to stop it corroding.