ALLOWED
Health and putty renovated Knots to 50 mm
Black Knots (putty) to 35 mm
Cracks (putty) – width to 3mm, a length of up to 30% of the length of plank
Sapwood (not limited)
THE WORMHOLE CAN BE UP TO 10 PIECES WITH A DIAMETER OF NO MORE THAN 3 MM. WITH A LENGTH OF 40 CM