Cue sports tables are usually heated to stave off moisture and provide a consistent playing surface. The length of the pool table will typically be a function of space, with many homeowners purchasing an table as a compromise. Full-size pool tables are 4.5 by (interior dimensions). High-quality tables have a made of thick slate, in three pieces to prevent warping and changes due to temperature and humidity. Smaller bar tables are most commonly made with a single piece of slate. Pocket billiards tables of all types normally have six pockets, three on each side (four corner pockets, and two side or middle
Billiard room clearance around the pool table is ideal. Interior designer Charlotte Moss believed that "a billiard room is synonymous with group dynamics. It's where you mix drinks and embark on a little friendly competition..." Billiards probably developed from one of the late-14th century or early-15th century lawn games in which players hit balls with sticks. The earliest mention of pool as an indoor table game is in a 1470 inventory list of the accounts of King Louis XI of France. Following the French Revolution and the Napoleonic Wars, billiard rooms were added to some famous 18th-century cafés in Paris and other