Roof Beam Size

by Karl Hartman
(Seattle WA)

I have a ten foot span on a deck roof beam. Any idea what the roof beam size should be (pine/fir)?

Comments for Roof Beam Size

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Jan 31, 2010
A good source for building resource information
by: Editor - Rich Bergman

Sorry for the delay in responding. I think one of the first places you might go to is the American Wood Council at

They have a ton of great resource material which has span tables done up by experts that are referred to in building codes. I do think that is the most efficient direction I can give you.

They also have a great new publication on deck building called DCA 6 which sells for about $10 and has super comments in it including joist and beams spans and spacing.

I refer to many of their publications often as they are done right.

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