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Butcher block countertop - should I seal it?

1065 Views 29 Replies 19 Participants Last post by  Sharon MH
We have this butcher block countertop and it is currently not sealed or varnished. I try to keep up with applying Howard brand oil and wax, but it seems to not last very long. Should I seal it, and if so, with what? Danish oil, or some type of polyurethane/varnish, or ? We do food prep on it (not directly on it of course) so that might be a consideration.

We live in the PNW so it is frequently humid during winters and then quite dry during summer, and I worry that this cycling will make the blocks separate or I will otherwise somehow inadvertently ruin this very nice counter. I did not install it, so I do not know what type of wood it is, where it came from etc.


Brown Table Countertop Wood Rectangle
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I had a 1.5 inch acacia slab with no finish. It warped like a potato chip and developed splits up to 1/4 inch in several areas. I had to replace it. I don't think a butcher block would perform as poorly, but I highly recommend sealing all sides.
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