Deck Post Spacing
If you are planning on installing a hot tub or porch on top of your deck you will usually need more footings and posts to support the additional loads.
Deck post spacing. See the deck joist calculations below and study your local code. The larger 12 foot side will have a post spacing of 6 feet at a minimum code requirement. Deck footing spacing and layout the larger the beam and footing size the fewer footings that are required.
Post spacing should be even. Vertically space the bolts no less than 5 and 1 8 inches apart. Most decking is not strong enough to support longer spans than 16.
What is the required spacing for deck posts. Ideal deck post spacing is 8 feet or less. For instance joists that are placed 24 inches apart must be wider than joists placed 16 inches apart.
In general posts should be spaced no more than 8 feet apart. The size of the deck directly affects the spacing of the support posts. Most backyard decks using wooden posts.
For proper spacing holes for the deck bolts should be placed in the center of the post at least 1 5 to 2 inches from the bottom and the top of the frame. This will ensure that there is enough material surrounding each bolt to prevent weaknesses around the holes. For most situations you will want to place footings and posts less than 8 apart.
The type of post you use can also affect the spacing between posts. Joist spacing for composite decking. The distance between deck support posts depends on the type of wood species used and the size of the joist and beam.