bålstelhet
Bålstelhet refers to a phenomenon observed in certain types of wood, particularly hardwoods, where the growth rings appear to be unevenly distributed or distorted around a knot. Instead of the usual concentric circles, the rings may curve, twist, or even appear to break near the knot. This effect is often noticeable on the surface of sawn timber.
The cause of bålstelhet is generally attributed to internal stresses within the tree that develop during its
While bålstelhet doesn't necessarily compromise the structural integrity of the wood, it can affect its aesthetic