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Maccolo

Rebuilding vintage Sitka spruce main and mizzen

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I'm rebuilding my Sitka Spruce main and mizzen for my 1968 Cheoy Lee. Please advise a proper adhesive and process . They need structural integrity and long term UV resistance . As I must break open some joints , I'm expecting potential voids from splintering as well as commonChecking.

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I'd recommend 5:1 epoxy resin thickened with a little wood flour for the adhesive.  Use a good marine spar varnish to finish it for UV protection.

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If you want to fill the voids with a brown colored epoxy then you would add the wood flour to the mixed epoxy to thicken it, mix well then apply to the seam or void.  If you want it clear, just pour the epoxy in the seam and let settle and cure.  You would want to use the clear hardener if you want the unthickened epoxy to be clear.

Look at our Thixo Wood which is a thickened epoxy in a caulking cartridge which is premixed:

TotalBoat Thixo Wood 2:1 Epoxy System

 https://www.jamestowndistributors.com/userportal/show_product.do?pid=97748&familyName=TotalBoat+Thixo+Wood+2%3A1+Epoxy+System

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