SMG Sill and Wall Mud 50lb

SGM Sill and Wall Mud (821) is a mud / light-weight plaster substrate, factory blended, and consisting of Portland Cement, sand, and lightweight fillers. This product is designed for use as a lightweight plaster substrate bedding (brown coat), which does not place an additional load on structural members. Sill and Wall Mud 821 eliminates costly job-site mixing of sand and cement mixes.