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waterproof Plywood |
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pij27
Groupie Joined: 27 Jul 10 Location: Ryde / Tilbury Online Status: Offline Posts: 44 |
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Topic: waterproof Plywood Posted: 11 Mar 19 at 8:48am |
I am looking to replace some plywood deck panels on a dayboat. Does anyone know of a good method of waterproofing or sealing these panels. They will be placed over the hull to give a level floor and if the bilge fills up with water then will be in contact with it.
Any help or suggestions please? |
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JimC
Really should get out more Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6649 |
Post Options Quote Reply Posted: 11 Mar 19 at 9:57am |
Not much is really waterproof for ever. Will they just get wet or will they stay wet? If they'll be normally dry then any good paint system will do the job.
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pij27
Groupie Joined: 27 Jul 10 Location: Ryde / Tilbury Online Status: Offline Posts: 44 |
Post Options Quote Reply Posted: 11 Mar 19 at 10:17am |
This is decking planks around the centreplate, so underside will be in contact with bilge if boat left unattended for a while. otherwise just from spray or rain. Did wonder whether to use a wood hardener on the edges first and then a few coats of gloss paint?
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Sam.Spoons
Really should get out more Joined: 07 Mar 12 Location: Manchester UK Online Status: Offline Posts: 3398 |
Post Options Quote Reply Posted: 11 Mar 19 at 11:34am |
Is this the cockpit floor, Is weight an issue, if not what about fabricating floorboards from recycled plastic decking boards? https://www.kedel.co.uk/recycled-plastic-decking.html
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Spice 346 "Flat Broke"
Blaze 671 "supersonic soap dish" |
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pij27
Groupie Joined: 27 Jul 10 Location: Ryde / Tilbury Online Status: Offline Posts: 44 |
Post Options Quote Reply Posted: 11 Mar 19 at 12:24pm |
original planks only 10mm thick. use a movable small bar to hold in place.
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JimC
Really should get out more Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6649 |
Post Options Quote Reply Posted: 11 Mar 19 at 1:05pm |
TBH, assuming its not a racing boat and you're concerned about budget I'd be inclined to use exterior grade ply, reasonable paint, and make up some templates so I can make new ones easily. Yes you could get into wrapping them in glass/epoxy and they'd cost 4 times as much and last 3 times as long. Sometimes you can overthink!
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Rusty69
Groupie Joined: 15 Jul 18 Online Status: Offline Posts: 51 |
Post Options Quote Reply Posted: 11 Mar 19 at 2:04pm |
Coat with epoxy resin.
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pij27
Groupie Joined: 27 Jul 10 Location: Ryde / Tilbury Online Status: Offline Posts: 44 |
Post Options Quote Reply Posted: 11 Mar 19 at 2:26pm |
Thanks Jim, sounds like an easier plan. cut to size and a few coats of gloss?
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jeffers
Really should get out more Joined: 29 Mar 04 Location: United Kingdom Online Status: Offline Posts: 3048 |
Post Options Quote Reply Posted: 11 Mar 19 at 3:11pm |
Possibly some really thinned out varnish first too might help. Just to help seal the surface and the ends before you top coat. I did this on a boat I took back to wood. it really soaked in and where the paint has had a few knocks there is no sign of water ingress.
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Paul
---------------------- D-Zero GBR 74 |
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Sam.Spoons
Really should get out more Joined: 07 Mar 12 Location: Manchester UK Online Status: Offline Posts: 3398 |
Post Options Quote Reply Posted: 11 Mar 19 at 4:14pm |
Thinest I found in plastic 20mm but there may be thinner out there, and they would last forever without any maintenance.
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Spice 346 "Flat Broke"
Blaze 671 "supersonic soap dish" |
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