The wood is a sturdy type, maple I think, which ensures the long life of the lanes. read more
Bowling alley floors made from wood are made from maple. Maple is a very dense, hard and tough wood, and it is chosen for this purpose because of these qualities. It is also a fairly common wood. read more
My buddy used to work at a bowling alley and I asked him the same thing. I don't know if all lanes use this but at the popular one he worked at they used a thin sheet of clear plastic on top the protected the lane from most damage. I suppose it would be like a finished floor waxed to a large depth. read more
Bowling alleys are never stained, so, much like a sports floor, traditionally people could get by with leaving a lot of sanding marks. This device is called a "bridge level," and the vial can tell you how level the alley is to within 2 to 3 thousandths of an inch. read more