Decks.com / Public Forum / Ask The Deck Experts / I dont Understand Beam Span charts ? / Latest PostsInstantForum.NET v4.1.2Decks.comhttp://www.decks.com/support@decks.comSun, 12 Oct 2008 19:58:56 GMT20I dont Understand Beam Span charts ?http://www.decks.com/Topic4792-21-1.aspxThe deck is 18x20, its going to connect to my brick house on the 18 and the breezeway and garage on the 20. I have been looking for information on the beam sizing and post spacing. How many beams are required ?,What size of beams ?, How far apart ?,What size of joist system I should go with ?<br>I want to install composite decking.<br>Thanks,<br>Mabjr<br>Sat, 05 Apr 2008 11:09:59 GMTMabjr