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- Tables are available to determine the allowable spans for deck joists and beams1. The tables are divided based on the number of spans and the type of support1. The tables are not valid if joists span continuously over more than two supports, in which case engineering analysis is required1. It is recommended to not build to the lower limits of these tables if you are planning on having heavy duty parties or have a very low tolerance for wine jumping out of a glass when someone walks by on the deck2.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Deck joist allowable spans as per Tables 2a, 2b, 3a and 3b. Beam selection for supporting a single span as per Tables 4a, 4b, 5a and 5b. Beam selection for supporting two spans as per Tables 6a, 6b, 7a and 7b. Tables are not valid if joists span continuously over more than two supports. Engineering analysis is required in this situation.cwc.ca/wp-content/uploads/2019/03/Prescriptive-R…Span tables define the weakest limits permitted for various ways of assembling a deck. If you are planning on having heavy duty parties, or have a very low tolerance for wine jumping out of a glass when someone walks by on the deck, you should not built to the lower limits of these tables.joneakes.com/jons-fixit-database/2093-Deck-Span-…
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Deck Beam & Header Span Table - Decks.com
Jan 3, 2005 · Size your deck beams and headers with our easy-to-use span table, which allows you to cross reference the post spacing and joist length to …
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Headers & Beams : Size Selection Tables - Southern Pine
SFPA provides size selection tables for various beam spans and loading combinations for Southern Pine dimension lumber and glulam.