Reply by CaptainKlutz

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Posted on Sealing Butcher Block Counter?

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4330 posts in 2546 days

#1 posted 07-03-2019 12:06 AM

+1 2K Polyurethane

Visit an industrial wood finishing supplier and ask for 2K bar top polyurethane.
Stuff is designed to be soaked in beer every night, and bleached clean every day.
Choice of sealer is critical to reduce water permeation.
Must use 2K sealer, and must seal 100% grain top, side, ends.

Best of these materials are old school solvent based amber colored polyurethanes, cured with isocyanates (not intended for home shop). They require serious personal protection equipment; meaning respirator for lungs, goggles for eyes, over lapping gloves, and full coverage painters suit.
But the nearly waterproof finish and tough 10-15 mil film build provides amazing look for counter top surfaces.


Some type of 2k urethane is probably appropriate.
- CWWoodworking

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

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