How Many Posts For A 10x12 Deck

There are several methods for setting posts.

How many posts for a 10x12 deck. For details on creating a post layout see how to build a deck. The first step to building any deck is determining the size creating a scaled 2 d paper drawing and selecting the proper materials. How many deck boards do i need. One way is to pour concrete in the post hole set the post on the concrete and backfill with gravel.

Consider the spacing length of the railing and post thickness to estimate your materials. Before starting to build the first question is. While decks just above the ground don t require posts steps or railings those that are several feet higher will. That means that once you have the footings in place you need to install posts which will support the beams that in turn support the joists that support the decking and eventually you your family and friends.

The larger the beam and footing size the fewer footings that are required. The decks mentioned above assume you re building an attached deck. For an attached 12 x 12 deck you ll need at least 3 footings plus at least 2 more if you re planning on building stairs with it. If necessary adjust number of deck boards to match in both calculations and see if different board gaps at each end of deck are acceptable compared to equal gaps and cutting the last board at an angle.

So build your deck the right way from the ground and posts up. As a rule of thumb use at least three posts for every 12 inches of railing. If installing you ll need all materials for a ground level deck plus boards for your stairs the stair treads joist hangers and joist support posts that raise the actual deck. Unfortunately raised decks add more material and time to build.

Once you ve completed the new deck you ll enjoy it for many years. Maximum cantilever of a double 2x8 beam past a support post is. Building a deck involves multiple carefully planned steps. If your deck is slightly out of square different widths calculate results for both widths and set out each end to suit.

How many footings do i need for a deck. Deck post size is important. A span is the unsupported distance between two posts. Maximum cantilever of a 2x8 is 24 at 16 o c.

Remember to follow local code for deck posts. You ll need the post layout marked before you begin. For most situations you will want to place footings and posts less than 8 apart. The answer depends on the size and shape of your deck the size of your footings and the size of your beams.

Beyond selecting the type of wood or composite decking materials you ll also need to know how many boards and what size you ll need to create the flooring for your deck. A cantilever is the unsupported end of a joist that extends past the last support post at the edge of your deck.