/4 of Cross Section
7/8 of Cross Section
Lines parallel to edges of component
and enclosing Knot
Area displaced by Knot 1/8
1/4
1/3
1/2
5/8
Lines parallel to edges of component
and enclosing Knot
Above Notch Area
displaced by Knot
1/8 of Above Notch
Cross Section
1/4 of Above Notch
Cross Section
1/3 of Above Notch
Cross Section
1/2 of Above Notch
Cross Section
5/8 of Above Notch
Cross Section 25%
50%
33%
75%
87%
1/3 of Cross Section
1/4 of Cross Section
1/2 of Cross Section
3/4 of Cross Section
7/8 of Cross Section
Lines parallel
to edges of component
and enclosing Knot
Area displaced by Knot Lines parallel to edges of component
and enclosing wane
Portion of Cross Section
affected by wane
1/3
1/16
Portion of Height
affected by wane
Portion of Nailing Face
affected by wane
1/8
3/16
1/4
5/16 1/16 of Cross Section
1/8 of Cross Section
3/16 of Cross Section
1/4 of Cross Section
5/16 of Cross Section
2/3
1/3
1/4
1/2
1/6
1/2
Full
1/8
1/3
Lines parallel to edges of component
and enclosing wane
Portion of
Cross Section
affected
Portion of Width
affected
Portion of Thickness
affected
Full Slope of Grain: 1 in 10
Slope of Grain: 1 in 8
Slope of Grain: 1 in 6
Slope of Grain: 1 in 4
Slope of Grain: Unlimited
Line parallel to
general direction of grain
along component
1-Unit Long Grain Deviation
Across Width of Component
Distance Along Length for
1-Unit Grain Deviation
Across Width Line parallel to general direction of grain
along component
1-Unit Long Grain Deviation
Across Width of Component
Distance Along Length for
1-Unit Grain Deviation
Across Width
Slope of Grain:
1 in 10
Slope of Grain:
1 in 8
Slope of Grain:
1 in 6
Slope of Grain:
1 in 4
Slope of Grain: Unlimited ¼ Component
Length
1/3 Component
Length
1/2 Component
Length
¾ Component
Length
Must not completely
separate component