I have 2 wood glues in my shop, then epoxies.
I buy Titebond II by the gallon jugs and refill my glue bottles. I do most of my gluing with that. It's a good glue. I keep a wet paper towel and a cup of water around when glueing to wipe off the excess. Fine sawdust to wipe on if I have a gap (capenter's wood filler).
The other is Gorilla Glue. That is what I use for gap filler when I need it. It activates w/ water. It says it expands as is dries... but my experience says that's an understatement! If 2 pieces are glue together, like in a butt joint, if not clamped, that glue will widen the joint. Because of that, I clamp everything I glue with it. It is an amazingly strong glue. It has some other drawbacks... It dries a bit dark for my tast, so it shows the joint on a light finished piece. It it is a large gap, it will expand out to fill it seem to dry a little "grainy" in spots... like it creates bubbles in it as it expands... The surface will be smooth. But sand underneath that and it will expose those little bubble holes.
I have a full bottle of weldbond, that collects dust. Maybe me, but it's just not the same somehow.
The epoxy I use most on wood is 3M Scotchweld 2-part epoxy DP100 plus clear... Not sure, but there may be a hobbiest equivalent. I get it in 2 part tubes that need to be applied with a "gun" to squeeze it out. It also uses a nozzle that it mixes in, as it goes through it and out. Luckily the glue gun for my Horseshoing 2-part polyurethanes was the same thing and works. When you are through, release the pressure on the gun, nozzle off, cap back on. Not much waste. But like I said, I think 3M has a hobbiest blister pack of small sizes in it's own applicator. There's others out there, but i had been using that for years as a carpenter.
2 part Epoxys fill gaps well, and they don't need clamping to set the joint. It will adhere to other things well... like the old glue... so it doesn't need to soak into the wood. (hint) I use it a lot to stabilize knots in wood, before I start cutting or tooling. Sometimes after... when I thought it would have been okay, but I was wrong.
Drawback on epoxys. That is a spendy solution. I bought a case when I was in business and had money. The kind I got runs about $24 a duo pack (50ml), the applicator gun is around $80. The nozzles run about $1 a piece. The cost per ___ is much more expensive than glue. A gallon of glue for $24 goes a long way. Epoxies for me are reserved for special things.
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Last edited by MAFoElffen; 11-11-2013 at 02:37 AM.