Post Spacing For Deck Roof
For taller decks with 2x10 framing i might question 4x4 posts.
Post spacing for deck roof. A redwood 4x6 beam should span no more than 6 between supporting posts. A 4 by 10 can usually span up to 12 feet between posts. This post may contain affiliate links. I wouldn t blink at the use of 4x4 posts up to 8 feet in length.
An expert guide on the best posts and beams for your patio roof projects this article covers post column and beam types as well as the best materials for patio posts. Home building a deck deck beam. We will also show you how to decide the number and spacing of your footings. While a 16 foot by 16 foot backyard deck for recreational purposes such as an outdoor kitchen and general lounging may only require deck posts spaced every 7 feet a larger deck may require that the spacing be narrowed down to within 5 feet.
It provides more stability for larger decks the ability to hold a heavier load and more room for notching. This generally yields a maximum tributary area of about 70 square feet. The smallest beams for patio covers are typically 4 by 6. A 2 2x10 can span 10 feet and so on.
Post spacing should be even. Post spacing is going to depend on your design local building codes the size and length of your beams and the size of your posts. The size of the deck directly affects the spacing of the support posts. Some of our articles focus on the various types of accepted footings that are used by professional deck builders.
Obviously the larger the beam the greater the distance it can span between posts. Once you decide the distance measure from the house for the first row of boards. For more information see our disclosures here. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts.
Refer to the deck beam span table below to assist in determining the maximum span of a given beam between posts. For a deck framed from 2x10s i d assume maximum spans of about 14 feet for joists and 10 feet for beams. Dimensional lumber deck beam span chart the numbers in gray indicate the distance between the support posts. A double 2x12 beam can span 12 feet.
While there may be a handful of circumstances that only require the minimum 4 4 deck post you will more than likely want to choose a 6 6 post for the deck. If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts. Typical post size is a pressure treated 4 4. The main structural members of patio and deck overheads are posts or columns and beams which run from post to post or from post to ledger.