Sakrete Sand Mix/Topping & Bedding Mix is a pre-blended mixture of sand and cementitious materials. A multi-purpose product designed for a variety of projects, Sand Mix is often referred to as a "mortar" in many “how to manuals”, and various pieces of literature. Sakrete Sand Mix is a high strength mortar and can be used in mortars beds under ceramic tile but is not recommended for laying brick or block. 5000 psi, Applications 1/2” to 2” ( 12.7 to 50 mm), Ideal for projects requiring small structural applications.