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GRADING

Select North American White Oak
PURnorth Collection
Filled knots up to 20mm (~3/4") allowed, mid to high colour variation, some face checking allowed, some sapwood allowed, some mineral streaking allowed.
PURnorth Collection
Filled knots up to 20mm (~3/4") allowed, mid to high colour variation, some face checking allowed, some sapwood allowed, some mineral streaking allowed.

RED OAK GRADING.jpg
Select North American Red Oak
PURnorth Collection
Filled knots up to 10 mm (~3/8") allowed, low to medium colour variation, some face checking allowed, some sapwood allowed, some mineral streaking allowed.
PURnorth Collection
Filled knots up to 10 mm (~3/8") allowed, low to medium colour variation, some face checking allowed, some sapwood allowed, some mineral streaking allowed.

Select & Better European White Oak
PURadria Collection
Knots up to 10 mm (~3/8") allowed, no sap wood, low to medium colour variation.
PURadria Collection
Knots up to 10 mm (~3/8") allowed, no sap wood, low to medium colour variation.

Handscraped White Oak
PURadria Collection
Filled knots 45mm+ (~1 3/4") allowed, mid to high colour variation, sapwood and cracks (filled) allowed.
PURadria Collection
Filled knots 45mm+ (~1 3/4") allowed, mid to high colour variation, sapwood and cracks (filled) allowed.
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