Laticrete 209 Floor Mud

209 Floor Mud is a factory prepared blend of high strength portland cement and carefully graded sand. This dry mix is used with water to make semi-dry conventional floor mortar beds. 209 Floor Mud is suitable for interior applications wherever a traditional mortar bed is required under ceramic tile, and ideal for small shower pan fills in bathrooms. Mix with 3701 Mortar Admix for added strength.