 is also a common European size for Baltic birch ply, and aircraft ply.Sizes on specialised plywood for concrete-forming can range from , and a multitude of formats exist, though 15 ×  (19/32in × 2 ft-6in × 4 ft-11in) is very commonly used.Aircraft plywood is available in thicknesses of (3 ply construction) and upwards; typically aircraft plywood uses veneers of 0.5 mm (approx 1/64 in) thickness although much thinner veneers such as 0.1 mm are also used in construction of some of the thinner panels.