How To Seal Butcher Block Countertop. The best sealant for your butcher block countertop is either mineral oil or walnut oil. This is great for sealing the countertop but then theres a layer of plastic between you and your pretty new wood.
I had friend ask me to build a 6x3 ft butcher block countertop out of soft maple. This is great for sealing the countertop but then theres a layer of plastic between you and your pretty new wood. Start by scraping off any food residue using a metal scraper running it gently on areas with visible food gunk.
After everything was sanded down and the dust was wiped away I put a coat of Wood Conditioner on the butcher block according to the instructions on the can.
STEP ONE apply a wood conditioner appropriate to the stain youre using. A penetrating sealer soaks into a substrate such as wood concrete or stone and it seals the pores from the inside. Check out part 1 on lowes youtube. Then take your paint brush dip it in the sealer and brush it on the butcher block.