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Formula260SS · 10-02-2007, 08:23 PM

I believe a 2x6 can span 9', the rule of thumb is 1.5 times the height of the board.

6 x 1.5 = 9

Another option is 12" centers rather than 16", my deck is on 12" centers and solid as a rock with 5/4 decking.

10-02-2007, 08:23 PM	#3
Formula260SS Senior Member Join Date: Oct 2006 Location: NH Posts: 385 Thanks: 11 Thanked 76 Times in 51 Posts	I believe a 2x6 can span 9', the rule of thumb is 1.5 times the height of the board. 6 x 1.5 = 9 Another option is 12" centers rather than 16", my deck is on 12" centers and solid as a rock with 5/4 decking.