EUROPEAN OAK - GRADING CRITERIA
Raw Material Grading
Desserts
Nature/ Prime
Knots
1 -6 knots per plank.
Sound knots up to 5 mm.
Sapwood
Sapwood up to 5 mm per (each) edge.
Colour Variation and Shake
No shake.
The colour variation allowed.
G 2
Drinks
Sound Knotty
Knots
5 - 6 knots per plank.
Sound knots up to 30 mm.
Dead knots up to 20 mm.
Sapwood
Sapwood is allowed for 20 mm per (each) edge.
Colour Variation and Shake
No shake.
The colour variation allowed.
G 2/3
Mains
Country
Knots
Unlimited knots.
Sound knots and dead knots up to 40 mm.
Sapwood
Sapwood up to 20 mm per (each) edge.
Colour Variation and Shake
The shake and colour variation allowed.
G 3
Healthy
Rustic
Knots
Unlimited knots.
Sound knots and dead knots up to 40 mm.
Sapwood
Sapwood is allowed 40 mm per (each) edge.
Colour Variation and Shake
The shake and colour variation allowed.
G 4