Characteristic Oak Flooring

Natur – sound small knots up to 8mm , no discoloration, no sapwood

Rustic A – sound knots up to 35mm, black and holes knots up to 20 mm
filled, litlle difference color , bark pocket 3mm x 10mm , no sapwood

Rustic B – sound knots up to 90mm, black and holes knots up to 40mm
filled, discoloration allowed, bark pocket allowed, heartwood allowed,
sapwood allowed, end cracs 5mm x 200mm filled