7' Diamond measurements
The 7' playing surface is 40 x 80.
The 8' playing surface is 45 x 90.
The 9' playing surface is 50 x 100.
Then just add the rail thickness which is just at 7 inches per rail.
so overall is playing surface PLUS 14' in width and 14' in length.
7' is 54" x 94" overall.
Mark Griffin
BCA Pool League
CSI
NCS
Diamond Billiard Products