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3
|
This is caused by insects boring through the wood
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5
|
Accumulations of a resinous liquid on the surface or in pockets below the surface of wood
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6
|
Breaks in the wood along the annual growth rings
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9
|
Due to improper storage where usually moisture evaporation from one side and not the other
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1
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Warping in lumber where the ends twist in opposite directions
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2
|
Mold that grows in warm and moist area, usually poorly ventilated
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4
|
This defect can be caused when one board face dries at a faster rate than the other
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7
|
Can be caused by improper drying and storage or the presence of reaction
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8
|
This is caused by a dead branch that was not fully integrated into the tree before it was cut down
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