When upgrading you bathroom and building a shower curb, consider the 4-inch Easy Curb from Superior Tools & Supplies. This simple yet effective framework is a tile tool essential for reducing time, cost and potential trouble. All the hassle of laying 2x4s, backer boards and trimming wire laths is replaced by a single, smartly designed piece. This secure, sturdy framework also makes mudding and floating a shower curb easier, so you'll be able to quickly get on with the business of installing that beautiful new tile.