Sealing Outdoor Concrete Countertops. Welcome to the final chapter of the Making Concrete Countertops Like The Pros series. Because concrete is naturally porous, concrete countertops should always be sealed to protect them from food stains, scratches and water absorption.
Today, homeowners nationwide request concrete for the same reason. Few materials provide a surface as solid and stable as concrete does. But a well-fabricated, properly sealed concrete countertop should be resistant to moisture and free of pits or.
Apply black caulk to the actual joints to form a seal in the joint, and smooth it out with your finger to remove any bumps.
If you're looking to seal your countertops, concrete, or your floor you need to be on the hunt for the Best Concrete Countertop and Floor Sealers.
This is where it starts getting really exciting because we're just so close to seeing the amazing final product! Un-sealed concrete is porous and susceptible to staining and chemical attack. Used it on a dark gray concrete countertop that's part of a outdoor kitchen that was poured two years ago.