Glossary or shower resealing & shower waterproofing and general terms which are used and referenced in our shower repair pages.Glossary of Terms for RA B C D E F G H I J K L M N O P Q R S T U V W X Y ZRectified TileCutting or grinding the edges off a tile allows the dimensions and squareness to be precisely controlled. Typically exhibiting a very square edge, rectified tiles are generally suited for installing with minimal grout lines between the tiles.