Selected Boards QS1 - 27mm

QS1 Selected Boards of white Oak sawn timber shows the following marks and character details:
- Sound knots less than 5 mm, permitted if fewer than eight.
- Sound knots with a diameter between 5 and 25 mm, permitted where equivalent to one knot of less than 50 mm.
- Permitted with a reduction: one not intergrown or unsound knot less than 25 mm, one isolated knot less than 20% of the board width, ring shake, frost crack, bark pocket, unsound sapwood if isolated, brown pith less than 25%, sapwood with holes.
- Excluded: included sapwood, rot.

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