1.5mm Birch Plywood BB/BB is made up of lots of layers of thin veneers, glued together at right angles. It has excellent physical and mechanical properties and a light coloured appearance, combined with a smooth surface. When used internally it can be left untreated or finished to the customers specifications. Birch plywood has a great range of uses, depending on the grade chosen, such as construction, furniture making, joinery projects and packaging.