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Dealing with wood defects

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Checks, Shakes, and Knots
checks in wood
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Checks, shakes, and knots:
Checks are cracks across
the growth rings, and
shakes are cracks
between the rings. Knots
are remnants of branches.

Checks, Shakes, and Knots

Solution for checks and shakes: These cracks occur at the ends of boards, so you may simply cut off the bad areas. But don't be too hasty. Good narrow pieces often exist on either side of a check.

Shakes, because of their orientation, usually have to be cut off. Be leery of boards with excessive shake. This may be a result of the board simply being dropped on one end, but shakes also can be a sign of improper drying.

Solution for knots: If they're tightly held in the wood, knots usually pose just appearance problems. Use these boards in inconspicuous places where the knots won't show. Loose knots, on the other hand, may fall out or be pulled free by cutting bits and blades. Cut out and discard areas with loose knots.


 

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Comments (2)
7951452615
pf2 wrote:

The other day, I needed to clean up rough edges on 4' boards. Rather than use a carrier strip requiring extra steps to install/remove double-sided tape, I clamped an 8' length of 2"x2" angle aluminum onto my fence over a 1/4" spacer to lift it off the table saw slightly. This gave me an 8' long fence that the rough boards could ride against... a charm. Quick work of all the boards -- even with resetting the fence position for different board widths.

11/22/2013 10:23:49 AM Report Abuse
RickGarrett wrote:

maybe the artical is short, but truth be known. This is some realy good info. @least for me.

1/20/2011 06:44:01 PM Report Abuse

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