Green Oak - QP2 grade

1st Grade (QP2)

Fresh sawn 'green' oak is avaialable in several different grades, each grade being suited to specific applications. QP2 grade requires:

Sawn timber with tolerance of wane without limitation, leaving, on the faces and edges, a width of at least 60% of nominal.

Sound sapwood permitted without limitation.

Unsound sapwood is permitted on the edges to the same degree as wanes.

Enclosed heart permitted, red heart permitted.

The only defect not acceptable is the presence of dead knots whose individual diameter exceeds one third of the width of the face or or edge.

Black bore holes can be accepted.

Deterioration caused by fungus attack is not acceptable on the faces.

Unsound or rotten knots are tolerated.

Slope of grain <18% permitted on one face and must not exceed 25%.

Not acceptable: stain or rot.

Face shakes of maximum 10 cm permitted.

Image of bridge is for illustration only, it is not necessarily indicative of QP2 grade green oak