The countertop is sealed, but concrete sealers aren't totally stain-resistant.
A.You can apply a clear concrete sealer, using either a mop or a roller.
A. If the condition is not too severe, you can solve it by applying a concrete sealer and conditioner.
After the driveway is clean, you can help keep it that way by applying two coats of a clear concrete sealer.
Six major compounds are used in concrete sealers: acrylic resins, epoxy, silicates, silane, siloxane, epoxies, and polyester sealers.
A well-known brand of concrete sealer says that, when applied, it will still allow the surface to breathe.
Easier to apply and better penetrating, though more expensive, is latex-base concrete sealer, available at home centers.