Standard Spacing For Floor Joists. Given that 2x8s are actually 1-¾. A 2x8 up to 12 feet.
A 2x8 up to 12 feet. 12 rows When building a house or even a deck it is important to confirm you have the correct joist sizes. This means from the center of one upright joist to the center of the next.
Normally floor joists are spaced 16 inches apart on center.
The majority of composite deck board brands including Trex TimberTech and more require deck joists spacing to be at 16 inches OC. The joists can be longer or shorter as required by space and size and are typically spaced at either 450mm or 600mm apart. With a joist spacing of 24 inches. On center for standard straight.
