Old timer told me to always clamp my glue-ups for double the time the bottle says...

I rushed a table leg glue-up after just 30 minutes last month and now I'm staring at a joint that's already wiggling loose, so has anyone else learned the hard way that those glue manufacturers are way too optimistic about cure times?

3 comments

3 Comments

hannah_wells6d ago

Aw man, that stinks. I feel your pain. Did the exact same thing with a dining chair, thought 45 minutes was plenty and now it creaks every time someone sits down. Those bottle times are definitely for perfect 70 degree days with zero humidity, not real shop conditions. I add at least an hour to whatever Titebond says, sometimes more in winter. Hope you can get some glue back in there before it gets worse.

the_viola6d ago

Actually I'm gonna push back on this a little. I've been using Titebond for years and I always follow the bottle times exactly and never had a failure. The issue isn't the glue drying too fast, it's people moving the piece too early or not clamping tight enough. I made a dining table last summer with maple and my joints were putty knife tight in 45 minutes at 75 degrees with decent humidity. If you leave it overnight every time you're just slowing yourself down. What are you doing differently with your clamping pressure or the way you spread the glue?

susan816d ago

The old timer was right, man. Those bottle times are more like minimums than actual guarantees. Your wood species matters a ton too - I had the same thing happen with a maple joint because maple is so dense it barely lets glue penetrate. Now I always do a practice squeeze-out test on scrap wood to see how the glue behaves before I commit to a real piece. If the joint feels at all tacky after clamping, I just walk away and leave it overnight no matter what.