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Looking for plans or guidance in building a roof on an existing deck. The house is a 1960 ranch single-story with gabled roof. The deck is a good 1.5-2.5 feet high if not more. So if I attach a ledger to the existing fascia, the headroom would be too low.
So I envision a pergola-style (but solid) cover, constructed by removing existing decking, standing 12' posts on concrete pads, and lagbolting to deck framing.
Partly because I have no roofing skills, I would like to NOT attach to house or house roof. Don't want to go there if it can be avoided. So you might say, a free-standing, flat (slightly sloped) deck cover whose underside is higher than bottom of house roof and maybe partly overhangs it. If that makes sense.
It occurs to me there would be a runoff issue when it rains. The deck cover would shield from direct rain, but runoff from roof would obviously hit the deck. Might rain gutters be effective, on house and perhaps on deck cover ?
Summarizing above, I have three questions:
1. Is this approach feasible, and is it a good idea ?
2. Best way to attach/support the posts in the context of an existing deck ?
2. How, if any, might I minimize rainflow ?
Any suggestions, articles, links to plans greatly appreciated.