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topside plank discoloration

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liquidsteel
Posts: 13
Joined: Sat Sep 05, 2015 7:30 pm

topside plank discoloration

Post by liquidsteel » Sun Sep 08, 2019 11:35 am

topside plank.jpg

Does anyone know what causes the discoloration of the topside planks along the seams? Also I was wondering what the remedy
is and how to prevent it in the future. Thanks in advance
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Bilge Rat
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Re: topside plank discoloration

Post by Bilge Rat » Mon Sep 09, 2019 6:25 am

Looks like moisture incursion along unsealed seams and possibly some plank movement. A permanent fix is not easy, as it requires removal of planks, proper bedding in a sealer such as 3M5200, reattaching and refinishing. Bleaching of the moisture stains would probably also be required.
1966 Lyman Cruisette 25 foot "Serenity Now!"
1953 Chris Craft Sportsman 22 foot "Summerwind"

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steve bunda
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Location: wisconsin
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Re: topside plank discoloration

Post by steve bunda » Tue Sep 10, 2019 7:35 am

Possibly the boat was refastened with stainless screws . Pull a bung and check few fasteners and then please let us know?

thanks, steve

liquidsteel
Posts: 13
Joined: Sat Sep 05, 2015 7:30 pm

Re: topside plank discoloration

Post by liquidsteel » Wed Sep 11, 2019 1:54 pm

Thank you for the replies and possible course of action. This will be a winter project and will keep you posted

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