How to Brace Posts & Beams


Bracing your posts and beams is very important for maximum stability. If too much weight is put on top of a post, and it is not braced, it could not hold as well as it should. Some buildings codes or companies may require you to put braces on certain posts and beams. The best type of bracing to build on your own for a strong hold is called a Y brace.

Things You'll Need

  • Tape measure
  • Carpenter's pencil
  • 1/2 inch by 6 inch screws
  • Screw gun
  • Wood pieces
  • Saw
  • Measure 24 inches to the right and to the left of where the beam and post meet. Make a mark with a pencil at each point. Also measure 24 inches down the post and make a mark.

  • Measure the distance from the mark on the left to the mark on the post, and from the mark on the right to the mark on the post. Add two inches to each measurement and cut two wood pieces at those lengths. These will be your braces.

  • Hold the braces up at the measured marks, and make a line where you will need to cut the ends of the brace at an angle to fit tightly against the post and the beam. Cut the braces at the lines that you drew.

  • Hold one brace up to the post and beam, at the marked spots. Drill a screw from the outside of the brace horizontally into the post at the bottom of the brace. Drill a screw at the top of the brace from the outside, going up into the beam. Do the same for the other brace.

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