Apply clear polyurethane to the countertop after the paint has had adequate time to dry and harden.
Can you seal concrete countertops with polyurethane.
First coat will be absorbed into the grain.
Let me introduce you to a concrete myth.
While in the past this may have been have been true sealers have come a long way from the simple wax and acrylic sealers once used.
They re suitable for both interior and exterior concrete and are ideal for decorative concrete.
Polyurethane formulated for use on floors is tougher and resists scratches better than polyurethane formulated for use on woodwork and other similar applications.
They re also applied to colored stamped or exposed aggregate concrete.
Use at least three coats of a water based polyurethane.
Concrete countertops are stain prone and high maintenance.
Polyurethane sealers are commonly used in high traffic concrete roads to provide strong resistance to staining and scuffs and applied on concrete countertops.
Apply stencils and faux finishes before sealing the countertop with polyurethane.
It will be safe once its cured.
If your countertops are made of concrete you need to seal them to avoid any damage caused by acidic food items like vinegar wine and mustard.