Sizing Information Pads Should be Sized so There is No More Than 50 Pounds per Square Inch of Machine Weight On It When Installed (Most Machinery is Designed with Approximately 50 PSI Maximum Base Loading) Installing a Pad Equal to the Size of the Foot with 1/2�� Overlap All Around Will Generally Insure Proper Loading To Dampen Vibration Example: A Machine Weighing 1800 Pounds Will Require an Anti - Vibration Pad Approximately 6�� x 6�� (1800 ��50 PSI = 36 Square Inches or One 6 x 6 Pad). A 3 x 3 Pad Under Each Leg is Required, Provided the Weight is Distributed Evenly Among the Four Legs For Impact Machines (Punch Presses, Drop Hammers) A Lesser Loading Capacity is Recommended - Generally 25 PSI A Double Thickness of a Pad May be Used to Accomplish Proper Loading If Desired When Hold Down Bolts are Necessary, the Bolt Should be Isolated from the Machine Recommended Maximum Loading Capacity: 50 Lbs per Square Inch