Oak lamellas are primarily intended for the production of parquet, but they can also be used in the production of quality furniture, kitchens, stairs or doors.

Standard dimensions
Thickness 3.0 and 4.2 mm (-0/+0.1 mm)
Widths 75, 95, 125, 145, 150, 170, 192, 208, 225, 230, 247, 258 mm (-0/+1)
Lengths 510, 620, 1240, 1420, 1820, 2020, 2220, 2420 mm (-0/+3 mm)

They are divided into four basic grades: A, B, C and R.

• Grade A: Clean lamellas, sound knots in color of wood up to 5 mm are allowed.
• Grade B: Allowed sound knots up to 25 mm, black knots or holes up to 15 mm.
• Grade C: Allowed sound knots up to 50 mm, black knots or holes up to 30 mm, traces of bark or heartwood, end cracks up to 100 mm.
• Grade R: Allowed sound knots up to 80 mm, black knots or holes up to 50 mm, ingrown bark, heartwood, spike knots, surface and end cracks, sapwood.