Slat Patch is fast setting concrete product repair product with twice the strength of typical concrete. Prefect for repairing worn surface on slats around feeders and waterers. Can also be used to repair cracks on vertical walls and columns. The initial set time is 15 minutes with a final set time of 35 minutes. Slat Patch sets up hard reaching in excess of 3000 psi in 24 hours. Simply mix with water at the rate of 4-5 qts. per 50 lb. pail. Always add Slat Patch to water and mix for 2-3 minutes until reaching a putty like consistency. Mix only as much as can be placed in 10 minutes. Min application temperature is 40 degrees F. Yields .45-.48 cubic feet per 50 lb pail.