Both available in 3 grades
Rustic A/B. Knots up to 7cm small edges of sapwood allowed.
Rustic A. Knots up to 2.5 cm allowed no sapwood.
Prime. 50% of all boards without knots,50% of boards with knots up to 25mm allowed.
Available in 5 Structures:
Design/Brushed /damaged /weavy (ondulated)/Fond de wagon.
Edges:
GO: no groove.
G1: 1mm groove.
G2: 2mm groove.
G3: U groove.