Concrete countertops are stain prone and high maintenance.
Can you seal concrete countertops with polyurethane.
For direct food contact use mineral oil.
Polyurethane sealers are commonly used in high traffic concrete roads to provide strong resistance to staining and scuffs and applied on concrete countertops.
They re suitable for both interior and exterior concrete and are ideal for decorative concrete.
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.
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.
Use at least three coats of a water based polyurethane.
It will be safe once its cured.
First coat will be absorbed into the grain.
Let me introduce you to a concrete myth.
Apply stencils and faux finishes before sealing the countertop with polyurethane.
Concrete is porous by nature which means that spills can stain and diminish its quality since liquids can seep through the concrete.
With the right sealer you can create a countertop that fulfills many of the essential functions one wants in a.