<https://sanitred.com/shop/other-products/tile-prep/tile-prep/#product>
<http://schema.org/description>
"This tile prep liquid solution is a water-based solution which is applied to ceramic tile, glazed brick, porcelain and other masonry surfaces to provide a waterproof surface for being coated. 200-500 sq ft."
<https://sanitred.com/shop/other-products/tile-prep/tile-prep/>