For direct food contact use mineral oil.
Can you seal concrete countertops with polyurethane.
Use at least three coats of a water based polyurethane.
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 also applied to colored stamped or exposed aggregate concrete.
Concrete is porous by nature which means that spills can stain and diminish its quality since liquids can seep through the concrete.
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.
Concrete countertops are stain prone and high maintenance.
Apply stencils and faux finishes before sealing the countertop with polyurethane.
With the right sealer you can create a countertop that fulfills many of the essential functions one wants in a.
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.
Let me introduce you to a concrete myth.
First coat will be absorbed into the grain.