Width of a backboard's top

[Camron Rust]

Originally Posted by dsqrddgd909

2 and 1/4" with its frame. made of 3/8" or 1/2" acrylic or tempered glass
Basketball Backboards - Indoor Use

That is one brand's dimensions. It may even be a defacto standard but I don't believe there is a rule dictating that thickness.

Even so, it doesn't take much of a flat surface to balance a ball if the ball lands there just right. I'd guess that even 1/2" might be enough if the ball is places there just right. 2+ inches is more than enough, obviously.

Perhaps they should make the top surface convex or slanted so as to always force the ball to roll off one way or the other.