I have Port Orford Cedar boards that are 5" wide, 8' long and 5/16th thick -- they are remnants from milling some 1"+ stock out of 1 1/2" thick decking. I want to join the boards to create a 3' wide backing for a bookshelf.
Lap joints? Or is there a better joint for thin soft woods? I figure a 5/8" lip on each of the laps would give a good adherence area for the glue.
Here's a drawing of what I'm thinking:
Comments or suggestions?