SimplePrep Gray Pre-Mixed Floor Patch, 1 qt. is a ready-to-use solution designed to repair holes and cracks in concrete and plywood floors before installing tile or other flooring. This gray, paste-like compound smooths and fills minor dips and imions, ensuring a clean and level surface. It is suitable for use over concrete, cement backerboards, ceramic tile, exterior grade plywood, and vinyl flooring. I for interior use only, it features MoldGard Technology to resist mold and mildew growth, helping to maintain a healthy environment. The product requires no mixing and cleans up easily with soapy water. For results, apply in layers for fills deeper than 1/4 inch, allowing 4 hours to dry before tiling, with longer drying times for deeper repairs. With a shelf life of 2 years, this floor patch is a practical choice for preparing floors for a finish. Model Number: FPQT