Siena Deck Mud is a factory blended mortar consisting of portland cement which complies with ASTM C150 and graded sand which complies with ASTM C144. Siena Deck Mud is designed to create a high strength mortar setting bed for horizontal applications of most tile or stone installs.
Basic Uses
Siena Deck Mud is designed for most interior and exterior applications such as floors, shower pans, countertops, and plywood substrates where a waterproof membrane is used for most tile and stone installations.