I am thinking about building an overhang from our shed to park my trailers under. I am curious if my current design is structurally sound. I am building in southern Maryland so there is some snow but not much.
I would like to build 24 foot by 18 foot over hang. The slope of the roof would be on the 18 foot span. The 24 foot side would but up against my existing shed. The rafters would run the 18 foot span.
First is 6 4x4 posts sunk two feet in the ground enough? I think code in my area is 18 inches. One post on each corner and one in the front center and rear center.
Second do I need to use 2x6 or 2x8 for rafters? I am planning on puting the rafters 24" on center.
I plans to sheath it with plywood and shingle it with cheapo fiberglass shingles.
Is my plan sound?
Thanks Dan