Fortress Coatings is a company based in Salt Lake City, UT that provides sealing and coating services for countertops, granite, sinks, and other surfaces. They offer countertop seam repair, countertop sealing, stainless steel protection, and more. Their professional grade nanosealers penetrate deep into the surface to repel oils and liquids, providing long-lasting protection for countertops and stainless steel products. They also offer services such as filling holes and seam repair in conjunction with their countertop sealing and coating services. Customers have praised their professionalism and friendly service.