Grade WSB Superior.
This grade is analogous to WSB Superior White, but it tolerates presence of false heartwood, i.e. colour variations of a board are not recognized as a flaw.
Sorting is performed by the better face.
Minimum clear wood cutting: 75 mm x 2100 mm or 100 mm х 1500 mm
Insignificant presence of live point knots (up to 5 mm) on a clear cutting shall not be classified as a flaw.
The board thickness is 22 mm (-0/+1 mm). The both faces are planed to finish (S2S). The edges are rough after sawing. This board can also be supplied unplaned by
individual customer’s request.
The board widths are from 89mm and wider (with optional pace, i.e. the boards are of various widths). The widths from 89 mm to 100 mm shall not exceed 5% of the total batch volume.
The lengths are from 1830 mm and longer with any pace. The ends are straight and even. The boards with lengths from 1830 mm to 2135 mm shall not exceed 10% of the batch.
Any wane on the front and back faces is not allowed.
The boards are stacked into three types of packs according to the following lengths:
front face back face