I have an existing 16x16 wooden/composite deck off the back of a
manufactured home. I want a roof over the deck but do not want to pay for
a gable type roof which attaches to the home - have concerns about extra
weight/stress on the home, and estimates by contractors are $4000 to
$10000 for gable roof with shingles.
I am considering a metal roof attached to a wooden structure. I would use
6x6x16 posts  installed 3 on each side of the deck concreteded etc.
The deck sits approximately 4 feet above ground level [posts in ground ~4
feet with around 12 feet above ground level providing about 8 feet of head
room above the deck floor].
I'm trying to decide about cross members to run the span of 16 to
possibly 20 feet across over the deck. These spans would have the metal
roofing attached directly to them.
Is this feasible? What size boards for the 16 to 20 foot span?? Any
thoughts on materials costs? Location is piedmont NC so some snow but not
On Apr 12, 4:42 pm, theb755_at_att_dot email@example.com (geneowens1) wrote:
Long spans will require large timbers or a truss system to span
without sagging or collapsing, both of which are kind of expensive for
what you're wanting to do.
A 16' roof span will require something like a minimal of 2x8's at 16"
o/c but load calcs would have to be done first.
Perhaps 16" deep spacejoists would be less expensive.
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