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Black Diamond
Vice Admiral Joined: 24 October 2015 Location: Newport, RI, US Status: Offline Points: 923 |
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Posted: 21 April 2021 at 14:11 |
Moldy sails, or "sails with measles" is a by product of laminated sails. They *SAY* they put biocides in the layers/adhesive, but it still happens. On my prior boat I went with hydranet sails. This is a woven cloth that you can use for radial cut sails. As its woven, you do *NOT* get mold or measles. Anything like that on the sail, you just scrub it off. Nothing is between the layers because there are none. On our 575, we went with Elvstrom molded EPEX/HPM sails. While laminated, there is something about the technology that seems to have prevented the mold/mildew problem (now in our 4th season). I was offered the FCL sails when we built the boat. I had heard bad things about them and decided to upgrade. |
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Rick
S/V Black Diamond Hanse 575 Build #192, Hull# 161 Newport, RI |
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Matt1
Rear Admiral Joined: 10 March 2019 Location: Hamble, UK Status: Offline Points: 664 |
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Ive never managed to successfully clean sails, or at least to make any discernible difference to their appearance. It's a bit like polishing a mast.....you can try lots of products and put a lot of effort in and it makes no difference
At best all I hope to do is hose off any salt accumulations. My FCL headsail has moldy batten pockets after only a few months. If it wasn't battened, I'd take the headsail off when I leave the boat
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Hanse 418 #64 EmBer. Hamble, UK
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StavrosNZ
Rear Admiral Joined: 24 October 2014 Location: New Zealand Status: Offline Points: 556 |
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I have used wet n forget on sails, all canvas work, GRP etc with no adverse effects.
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Stephen
2010 H400 #691, Auckland, New Zealand |
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Martin&Rene
Vice Admiral Joined: 06 December 2009 Location: United Kingdom Status: Offline Points: 833 |
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Optimystic
We have successfully used Wet & Forget on the teak, alloy toe-rail, round the underneath of the hatches and the canvas on the sprayhood and cockpit tent, as well as on the drives and wooden fences at home.
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Martin&Rene Hanse 341 Dipper Wheel steering, 3 cabin layout, normally based in Scotland
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OptiMystic
Lieutenant Commander Joined: 12 February 2021 Status: Offline Points: 53 |
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have you used wet and forget on the teak?
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StavrosNZ
Rear Admiral Joined: 24 October 2014 Location: New Zealand Status: Offline Points: 556 |
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My Doyle Stratis laminated sails are now 8 years old, i get very small areas of mold where water sits in fold of the main in stack-pack and folds of furled headsail.
I spray with diluted "wet and forget" (Synthicol) from small hand pressure sprayer and have no issues with mold or algae inside the lamination at all, mostly always on outer surface. Shape and performance benefits of laminated sails over the life of the sail win for me everytime.
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Stephen
2010 H400 #691, Auckland, New Zealand |
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Black Diamond
Vice Admiral Joined: 24 October 2015 Location: Newport, RI, US Status: Offline Points: 923 |
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My experience is that you *CAN'T* easily clean a laminate sail. While surface dirt can be cleaned, the mildew (or measles) that spot the sail are actually inside the layers. Its one of the things that sailmakers have been lying about (opinion) for years. While they speak of using biocide in the laminate as well as other techniques, spots still appear and make a 2 or 3 year old sail look 15 years old. Maybe the Synthecol Quad works, but its got to be an expensive treatment. Even if its cleaned, they will come back. While my current Hanse has the Elvstrom EPEX sails, a less expensive option used on my last boat was making the sails out of Hydranet. ts the only woven cloth you can really make a high performing, radial cut, sail from. Those sails are now 12 years old and still going strong with the new owner. Since its woven, you just take a brush and soap to the sail and it comes clean quickly. No mildew in the layers since there are no layers. FWIW |
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Rick
S/V Black Diamond Hanse 575 Build #192, Hull# 161 Newport, RI |
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StavrosNZ
Rear Admiral Joined: 24 October 2014 Location: New Zealand Status: Offline Points: 556 |
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Sail lofts use Algae/Mildew Biocide - Synthecol Quad, its non bleach or chlorine based biocide that mixed with water kills all mold and algae but wont harm cloth or stitching on your sails.
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Stephen
2010 H400 #691, Auckland, New Zealand |
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Trond Arve
Lieutenant Joined: 26 July 2020 Status: Offline Points: 41 |
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Nice😊👍
Vinegar and spot cleaning is gonna be my way of cleaning next year. And hopefully I will get it done on a sunny 🌞 day before end of season. Outdoor and not in my tub. Which isn't big but just mange the size of my sails 😊. Let's hope that 2021 will make a change to the corona situation to the better! Ps; I have also heard of chlorine being a product that's needed to be used carefully. Therefore freshwater rinsing after is Moi importante. Have a nice week 🏄♂️🏄♂️🏄♂️ |
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Richard M
Captain Joined: 06 November 2006 Location: United Kingdom Status: Offline Points: 329 |
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Thanks Trond
You must have a very large bath tub!
I used to wash my sails at home - not in the bath tub for (big) yacht sails - only dinghy sails. I'd spread out yacht sails for my previous boats (up to 30 feet) on plastic sheeting on the lawn and then clean using a hose pipe spray, a soft brush and liquid soap. Worked well. And for some years I used to clean the running rigging in the jacuzzi (spa bath) until my wife found out. I gave up trying to clean sails on boats above 30 feet. But now I can barely lift the sails on my H455 - I have to get someone else to do this. I am simply trying to "patch clean" small areas on the main sail (ie the small triangle that is permanently exposed outside of the mast) and a few areas on the foot of the jib. I've just had the running rigging cleaned by Inspiration Marine - the UK dealer. They used vinegar and a low pressure jet wash. The rigging has come up well. However once again I believe we are not supposed to access our boats (unless they are our primary homes) under the Government's coronavirus regulations so I have yet to enjoy the feel of soft, clean halyards & sheets. Best wishes Richard |
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Richard M
(S/Y BrightStar - H 455 #90; ex S/Y Providence - H 400e #290) |
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