Posts Beams and Joists spans?
#1
Posts Beams and Joists spans?
We're building a deck off the back of the house aprox. 12 x 28. Due to the fact that this will extend a 12 X 12 deck we built last week, the house, a door and a tree in the way, we'll be running the beams (2x8) the long way with 4x4 posts aprox 6 feet apart. The question we have is if we can use two beams for 2 X 8 joists for the 12 foot span or do we have to put in a third beam in the middle. Thanks, JM and K