Copper slate bed tables require the right atmosphere and temperature, and the floor must be level and strong enough to support the weight of the table and the slate. Billiard, snooker and pool tables are usually professionally assembled by the makers, on site. They have years of tradesmanship and experience to perform the assembly adeptly. One-piece billiard tables are named as such because they have only one piece of slate for the bed. They are quite rare because the Copper slate tends to break when being moved. They should also have a hardwood backing underneath the slate.