Siena Deck Mud is a factory blended mortar bed 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 bed for horizontal applications of most tile or stone installs. Siena Deck Mud can also be used to create a new substrate, fill or raise an existing substrate.
Siena Deck Mud is designed for most interior and exterior applications such as floors, shower pans, countertops, and plywood substrates where a cement based substrate is needed for tile and stone installations. Siena Deck Mud can be installed from 1/4” to 2”.