Reply by MNgary

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Posted on Glue up- Big mistake need help!

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298 posts in 2415 days

#1 posted 06-08-2012 05:10 PM

Worry not, Michagander. First, I’m thinking that with the finish the fit is too tight, anyway. Also, I’m guessing the dado is 3/8 inch deep. If not, adjust measurements for the below ‘tool’.

Start with a 6 inch long piece of 2×2. Cut out 1” by 3/8 inch along one of the long sides. This should leave you with (when looking at the end grain) an L-shaped piece. Cut a strip of sandpaper just under 3/8 inch wide and 6” long. Rubber cement the strip of sandpaper to the 3/8 inch part of the cut-out. One part of the cutout acts as an edge guide and the other sands off the finish.

Turn the L upside down and run it across “not protected with tape” to remove the finish.

Don’t sand so much the fit becomes too loose. You just need to expose some of the bare wood and don’t have to remove 100% of the finish. I usually see about one-half of the sanded area still has stain/finish residue.

As an alternative, glue a 6×1+5/8 piece of plywood or mdf on top of a piece of a 6×2 piece. This will leave you with a 3/8 inch lip to glue a strip of sandpaper to (cut the paper slightly less than 3/8 so you won’t be removing finish from the portion that will be exposed after glue up) and another lip to act as an edge guide.

-- I dream of a world where a duck can cross the road and no one asks why.

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