by Mike
(SW Ontario Canada)
I built a deck that has 6 beams that are roughly 48-56 inches between them - they sit on concrete filled silo tubes 36 + inches in the ground - each post is a pressure treated 5x5 (not 4x4 or 6x6).
the deck is about 22 feet x 21 feet.
I bought a bunch of wood through an auction - 5x5's and 2x6....
so -
for each beam i sistered and staggered (3 wide) 2x6 using 16d every 6 inch x3 both sides down each beam
each beam is attached to the post is sits directly on top of with sampson T ties both sides and 6" structural screws toe screwed through the beam into the post
Each post is cross braced between others
the joists are also 2x6 double @ 12" OC
I have 5/4 decking across the whole thing...
I am in a loamy area but the soil around the deck is chalked full of gravel and rock - every single hole I made for the 28+ post holes ...believe me.
Anyways
I am putting an 84"x84" hot tub max full weight with water is 4800lbs
I ran some load calcs from decks.com and it seems fine for load -
Any comments out there... I thought I was over building the hell out it (except the 5/4 decking...)
comments welcome