Quote:
Originally Posted by ghfalls
If you put your beam at 14' to the far edge from the house you'll be less than 13'8" from the house to use 2x10 instead of 2x12. FYI the rim board on your house is emercore which is 2 layers of 7/16 osb sandwiching 1 1/2" of foam. Good stuff but bad for decks. Who was your builder? Some builders get us framers to put a beam on the outside of the emercore, where decks are, while some don't. Avi does beam, pacesetter doesn't for example. Emercore is rated to hold deck nailers, but the nail pattern should be 3 nails every 6". Ember core is 2 1/2" thick. I'd use 4 1/2" screws. 3 every 6" or so and you'll be good.
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Good advice here. ^^To add to my comments as well, double up the end joists for stiffness, future stairs and handrail post backing.