How Many Posts For A 8x10 Deck
While decks just above the ground don t require posts steps or railings those that are several feet higher will.
How many posts for a 8x10 deck. The larger the beam and footing size the fewer footings that are required. Wood will make up the body of the deck and will be the most plentiful material you will have to purchase. You can multiply this area by 55 lbs per square foot loading to come up with 1 375 lbs total load. A span is the unsupported distance between two posts.
The latter will combine to make up the two large beams to support the deck. Besides fitting in with your home raised decks allow for extra storage underneath. Maximum cantilever of a 2x8 is 24 at 16 o c. Consider the spacing length of the railing and post thickness to estimate your materials.
To determine how many posts also known as balusters or spindles you ll need to support your railing confirm the minimum spacing required to meet safety ordinances. Raised deck with steps. The first step to building any deck is determining the size creating a scaled 2 d paper drawing and selecting the proper materials. Maximum cantilever of a double 2x8 beam past a support post is.
A plain 200 square foot rectangular wood deck with posts and rail fencing will cost around 1 000 3 000 for parts and lumber. A cantilever is the unsupported end of a joist that extends past the last support post at the edge of your deck. 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. Many homes are not built at ground level.
As a rule of thumb use at least three posts for every 12 inches of railing. If you multiply the area of this section 5 x 5 you will get 25 square feet. The average size for a deck is between 200 and 500 square feet. No additional blocking is necessary because the seams between boards.
Maximum joist span of a 2x8 is 10 6 at 16 o c. Another very common deck is a raised deck with steps. The answer depends on the size and shape of your deck the size of your footings and the size of your beams. 13 install the decking and railings attach five 4 x 6 inch decking boards perpendicular to the joists and fasten with deck screws.
You will need six 4 by 4 or 6 by 6 pieces of lumber for the posts and four 2 by 10 pieces of lumber that are at least 10 feet long. Building a deck involves multiple carefully planned steps. Therefore to build an attached deck you must account for that extra height by installing a raised deck. If your deck is slightly out of square different widths calculate results for both widths and set out each end to suit.
For most situations you will want to place footings and posts less than 8 apart. Secure the posts with carriage bolts.