Approximately 60% QS1 (see description in QS1 tab) and 40% QS2 (description below):
Standard dimensions:
Thicknesses: 18, 20, 27, 34, 41, 45, 54, 65, 80 and 100mm
Lengths: 2m, 2m20, 2m50, 3m and 3m50
Width: 25 cm and more
– Sound knots of less than 5 mm, admitted without limitation
– Sound knots of diameter between 5 and 40 mm, admitted in the equivalence of a knot inferior to 100 mm
– Admitted with reduction: a non-adherent or rotten knot smaller than 40 mm
one isolated knot less than 25% of the width of the board, rolling, frostbite, bark gap, altered sapwood if isolated, brown heart less than 25%, rot if isolated, sapwood pitting
Excluded: lunure