How to Seal a Butcher Block Countertop: Science-Backed Steps

Sealing a butcher block countertop correctly means applying multiple thin, evenly absorbed coats of a food-safe, non-toxic finish—specifically USP-grade mineral oil, fractionated coconut oil, or an NSF-certified hardwax oil blend—every 2–3 days for the first 21 days, then monthly thereafter.…











