I'm building a deck with a friend, and I have a question about how to join two beams. We've set the posts, which are all 4"x6", and are outlined in the attached image. The deck will be 19 feet x 16 feet, so I need to have double 2" x 10" beams running a 19 feet span. The plans call for the posts to be notched, and the beams to sit in the notches. My questions are:
- The longest 2" x 10" boards we can get are 16 feet, what is the best way to run the three 19 ft. beams; do we butt-join two doubled-up 2"x10"x9.5', and if so, what type fasteners do we need to use?
- Same question for the middle beam, but obviously the number of posts and spacing are different.
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