Looking for: I will buy class I wet oak sawn timber, clean on one side, without sapwood and fladry boards, cutting length 2.5 m, calculated length 2.40 m, thickness. cuts 30 mm calculated 27 mm uncovered minimum 24 cm calculated with sapwood, permissible sick knots up to 7 mm, sound knots up to 1.5 cm without front cracks. Rustic class, board without core, cutting as above, healthy knots up to 4 cm, black knots up to 3 cm.