Posts: 82
Location: Cottage Grove, Mn | Jim;
Depending how wide your extension is, I'd try the following. Rip some 3/4" thick oak to 1 3/4" strips. Bisquit and glue to bot of plywood in a perpendicular direction. Put on 6" centers and you should have a strong warp free extension. The other means would be build similar to a torsion box: using 3/8" interior plywood top and bot with a web frame inside. Lastly you can install some steel angle iron on sides and ends of extension, and a hinged leg support in the center. Let us know how you do. |
