Normal thin 7-9pcs/m2, thickness 12-22mm, palette 33 layers for 30m2
Normal thick 7-9pcs/m2, thickness 15-30mm, palette 28 layers for 25m2
Extra 4-6pcs/m2, thickness 20-40mm, palette 23 layers for 20m2
Extra thin 4-5pcs/m2, thickness 12-22mm, palette 25 layers for 20m2
Extra-extra 3-4pcs/m2, thickness 30-45mm, wooden crate 12-15m2