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3 Plenty-strong plywood joints

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Plywood joints

Plywood joints

Plywood's multiple layers (or plies) make it more economical and resistant to seasonal movement than solid wood, especially for large panels. But those plies also weaken butt joints in project construction. These three joinery methods maximize the strength of plywood joints.


Continued on page 2:  1. Full-width dado or groove

 

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Comments (1)
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lyndamike1209599 wrote:

Best is if the grain of the spline is oriented across the spline so it runs across the joint. Of course this means the spline will be of limited length so a number of pieces will be required if the joint is long. I've used a 1/8" x 3/4" metal bar for the spline with epoxy glue when I was concerned about the strength.

5/9/2014 12:33:55 AM Report Abuse

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