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Carbon Mast Varnish
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timnoyce View Drop Down
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Posts: 1991 		Post Options Post Options   Quote timnoyce Quote  Post ReplyReply Direct Link To This Post Posted: 18 Aug 09 at 9:51am
I used some standard one pot black boat paint on my mast last week after I had made 2 become 1 again. Just used it for a week at the nationals and there has been no chipping and seems strong.... oh, and the mast survived after me repairing it so happy days! 
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JimC View Drop Down
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Posts: 6644 		Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 18 Aug 09 at 10:14am
Originally posted by Medway Maniac

A clubmate rang Super Spars and asked what they recommeded, and was told not to varnish at all!

Obviously they've never picked up an old windsurfer mast and filled their hands with glass fibres... Its quite suprising how much has eroded after a few years in the sun. Personally I use light coloured paint. You can't tell where varnish has worn off...

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tmoore View Drop Down
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Posts: 880 		Post Options Post Options   Quote tmoore Quote  Post ReplyReply Direct Link To This Post Posted: 18 Aug 09 at 11:50am
My top section got a coat of car laquer simply so i didnt get fibres in my hands. Goldspar stuff ordered now as quite a few people have reccomended it. Cheers for the advice people, ill post some pics once its all done and looking new 
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Posts: 3169 		Post Options Post Options   Quote Merlinboy Quote  Post ReplyReply Direct Link To This Post Posted: 18 Aug 09 at 8:57pm
I sprayed my mast black with Plasticote black enamel, its lasted really well and no problems to report.
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Posts: 1340 		Post Options Post Options   Quote Lukepiewalker Quote  Post ReplyReply Direct Link To This Post Posted: 21 Aug 09 at 7:18pm
I went with white paint myself, although something slightly off-white to cut down on glare is worth considering. As Jim says, with paint it is fairly straightforward to find the worn bits. And if you don't have the facilities to deal with two-pack it's ideal.
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Paramedic View Drop Down
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Posts: 929 		Post Options Post Options   Quote Paramedic Quote  Post ReplyReply Direct Link To This Post Posted: 12 Sep 09 at 7:44pm

I think the ideal solution is to use a white cellulose primer and then a varnish/laquer over the top. This gives you the hardness of varnish (Toplac is actually quite soft) and the UV proofness of paint.

I've done just this on the part of the mast that has my rake settings as i think tape is messy. It would be quite time consuming to do over the whole spar, but would last for ages, easily 4 or 5 years.

I used a "powercan" white primer (aerosol) bought from from Jawel paints and international Perfection varnish.
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craiggo View Drop Down
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Posts: 1810 		Post Options Post Options   Quote craiggo Quote  Post ReplyReply Direct Link To This Post Posted: 14 Sep 09 at 9:02am
International Perfection two pot is the way to go, but as with all varnishing or painting the quality of the finish is determined by the preparation.

I re-varnished my mast with two coats last summer and it looks great appart from where the 'tac rag' didnt pick up some of the sanding dust around the gooseneck, and its gone a bit 'milky' in a small patch.

When Superspars say dont bother re-varnishing, perhaps its because they want you to buy a new mast off of them!
I have seen at least two RS600 superspars masts break through UV degradation and neglect.
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Posts: 718 		Post Options Post Options   Quote Jamie600 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Oct 09 at 5:04pm

Does anyone have any thoughts on using thinned-down epoxy as a varnish? It's only for the lower section of my RS600 mast to make it look pretty, the rest of the mast has been varnished by the last owner but it has flaked off the bottom section and I can't justify buying a whole tin of 2-pack varnish for a two-foot section of mast.
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JimC View Drop Down
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Posts: 6644 		Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 08 Oct 09 at 5:21pm
Originally posted by Jamie600

Does anyone have any thoughts on using thinned-down epoxy as a varnish?
The object of the exercise is to provide UV protection for the epoxy resin, which lacks it, so a layer of thinned epoxy won't really add much value. Better a small tin of cheap one pot I would have thought if you must have varnish.
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