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I posted a question about this, and someone mentioned using Titebond wood glue for the joints in the following drawing.

My question: for these types of joints, will wood glue create a stronger bond than screws? The purpose of the joint is to hold these together.

enter image description here

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    Stronger than screws? I didn't read the other comment, but typically you would use glue and screws, right? So of course that would be stronger than screws alone. – JPhi1618 Sep 24 at 14:52
  • Wood glue isn't great outdoors. It eventually lets go due to seasonal movement or wood decay. Screws are a must. – isherwood Sep 24 at 18:22
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    What's the overall structure you're building? What will the final finish be? Do you care about looks? – dwizum Sep 24 at 19:44
  • if I wanted strength I'd be using 8" screws from the top into the post on a 45 degree angle – Jasen Sep 25 at 10:39
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Glue can be pretty strong when you've got plenty of area (like there), although unless you've got some diagonal bracing, it's going to be wobbly whatever fixing you use.

Most people don't use glue because it takes a while to dry, so you either run out of clamps after a couple of joints, or the clamps get in the way of the next thing. (by comparison you can bang in a few nails and call it done)

If you're worried about the screws rusting, use screws as clamps, and remove them after the glue has dried. Or leave them in and let them rust.

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I would use screws, especially since they will be hidden so you don't have to worry about seeing exposed screw heads.

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Glue and screw.

The glue seals the gaps, reducing rot risk. The screws will be a more reliable, and quicker, way to fasten them in place.

Square braces are kinda ugly though imo. A diagonal brace (made by cutting a 2*4 at 45° in opposite directions) would be more appealing - again imo. Look, for example, at corner bracing used in post and beam structures.

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I'd recommend getting some standard L-shape brackets or joist-post connectors and screwing them in place. They'll work far better than your chunks of wood there.

  • They'll look gross, though. I'd do the wood. – isherwood Sep 24 at 18:21
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    ooooh gross. ;) Use triangle shaped wood brackets for more surface area to glue and screw and be more visually appealing. ( there is something very satisfying about saying "glue and screw" ) – Alaska Man Sep 24 at 18:28
  • @AlaskaMan that sounds good to me – Carl Witthoft Sep 24 at 18:43
  • glue and screw”... that’s what she said. – rbhat Sep 24 at 22:16

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