Tongue and groove on all sides for easy installation. Knots up to 50 mm diameter and splay knots (30 x 60 mm) are possible, also max. 2 false knots per metre of plank length. Max. 4 pitch pockets per plank are permitted, also cracks up to 50 cm. Some sapwood is possible.
The beautiful shades of colour and the varying structures result in the unique antique character of this floor.