Concrete countertops are stain prone and high maintenance.
Can you seal concrete countertops with polyurethane.
Concrete is porous by nature which means that spills can stain and diminish its quality since liquids can seep through the concrete.
They re also applied to colored stamped or exposed aggregate concrete.
Apply stencils and faux finishes before sealing the countertop with polyurethane.
It will be safe once its cured.
Let me introduce you to a concrete myth.
They re suitable for both interior and exterior concrete and are ideal for decorative concrete.
First coat will be absorbed into the grain.
Use at least three coats of a water based polyurethane.
For direct food contact use mineral oil.
Apply clear polyurethane to the countertop after the paint has had adequate time to dry and harden.
Polyurethane sealers are commonly used in high traffic concrete roads to provide strong resistance to staining and scuffs and applied on concrete countertops.
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.