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EUROPEAN ASH - GRADING CRITERIA
Raw Material Grading
GRADE 2
NATURE
KNOTS
1 -6 knots per plank.
Sound knots up to 10 mm.
No Dead knots.
No Brownheart.
SAPWOOD
Sapwood up to 5% per board.
COLOUR VARIATION
Colour variation is allowed
GRADE 2/3
SOUND KNOTTY
KNOTS
Unlimited knots.
Sound knots up to 20 mm.
Dead knots up to 20 mm.
Brownheart up to 30% per board.
SAPWOOD
Unlimited Sapwood.
COLOUR VARIATION
Colour variation is allowed.
GRADE 3
RUSTIC
KNOTS
Unlimited knots.
Sound knots and Dead knots up to 40 mm.
Unlimited Brownheart.
SAPWOOD
Unlimited Sapwood.
COLOUR VARIATION
Colour variation is allowed.
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