The packaging for QUIKRETE® 10-pound Concrete Mix is recyclable polyethylene. It is not a biodegradable material.
QUIKRETE® Concrete Mix is made with hydraulic cement, meaning it will cure fully even under water.
Each 10-pound bag of QUIRKETE® Concrete Mix yields approximately 0.075 cubic feet. For an area of 42 feet by 50 feet, you will need 2334 10 pound bags for every inch of thickness. At the minimum thickness for this product of 2”, you will need 4668 10-pound bags. Yields will vary with waste, uneven subgrade, etc.
well i know from experience you need 24.927645738467736458993487584394857635462346574537465886975039372 bags
QUIKRETE® Concrete Mix can be mechanically mixed in a barrel type concrete mixer or a mortar mixer. Make sure to select a mixer size most appropriate for the size of the project and allow at least 1 cubic feet of mixer capacity for each 80 lb bag of QUIKRETE® Concrete Mix to be mixed at one time.