
PRIME OAK
Small and sound knots, up to 10 mm of diameter. No sapwood. Colour is relatively uniform.

COMFORT OAK
Sound knots up to 15 mm, light sapwood, variation of colours.

RUSTIC OAK
Unlimited sound knots from 10mm and up to 40 mm of diameter for strips of parquet from 130 to 180 mm. No sapwood. Discolouration allowed.

CAMPAGNE OAK
Knots with unlimited and various sizes with wormhole limited. Pierced and crossed knots allowed. Cracks are limited to 50 mm in end of strip.

SAUVAGE OAK
Campagne grade with filled knots and cracks not limited to size. Sapwood allowed.
