Under Classification: GRADE 0 - GRADE 1 - GRADE 3 - GRADE 4

TIMBER FEATURES GRADE 2 KNOTS ON THE FACES Knots - sound intergrown max.: 10 % of the width of the piece + 35 mm Knots - dead or partially intergrown max.: 10 % of the width of the piece + 20 mm Knots - encased max.: 10 % of the width of the piece + 15 mm Knots - loose or unsound max.: 10 % of the width of the piece + 15 mm Number of knots (on the worst linear metre for knots) 6 knots max. ...loose or unsound 2 knots max. ...spike and splay 4 knots max. KNOTS ON THE EDGES: G4 Knots sound max.: 100 % of the thickness of the piece max.: max. permitted on the face Knots - dead or partially intergrown max.: 75 % of the thickness of the piece max.: max. permitted on the face Knots - bark ringed loose or unsound max.: 50 % of the thickness of the piece max.: max. permitted on the face Number of knots (on the worst linear metre for knots) 4 knots max. ...loose or unsound 2 knots max. OTHER FEATURES OF THE STRUCTURE Bark ringed max. number: 2 on the worst linear metre total length 200 mm Resin pocket max. number: 4 on the worst linear metre total length 200 mm Compression wood max.: 30 % of the surface Abnormal slope of grain permitted