Standard sizes (mm) 1525×1525 – Interior vineer2440×1220 – Exterior vineer2500×1250 – Exterior vineer1500×3000 – Exterior vineerStandard thicknesses (mm) Interior plywood – 3; 4; 5; 6; 8; 9; 10; 12; 15; 18 & 21mmExterior plywood – 6; 6,5; 8; 9; 10; 12; 15; 18; 21; 24; 27; 30; 35 & 40mmAllowed deviations (mm) Nominal thicknessNumber of layers, not less than:Sanded birch …

Direction of grain pattern Uncoated plywood can be distinguished by direction of grain pattern of the sheet: Short grain – grain pattern is parallel to the shorter side of the sheetLong grain – grain pattern is parallel to longer side of the sheet

Sanded or unsanded plywood Uncoated plywood is produced with either a sanded or unpolished surface. Sanded plywood is produced in different quality grades: The quality grades for plywood with interior glue are I, II, IIIThe quality grades for plywood with exterior glue are E, B, S, BB, CP, WG Unsanded plywood is produced also either with interior or exterior glue: The quality …