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Posted by Colbyt on August 22, 2005, 7:42 pm
> >>The back of my 2 story house has a concrete patio. I would like to
> >>build a roof over the patio. I am not sure how to attach the roof to
> >>the house, though. The back of the house has the 1st floor bricked and
> >>the 2nd floor has wood siding over the 2x4s. There are no windows in
> >>the way so that makes it a little easier. But what would be the best
> >>way to attach the roof to the house so that its weight is properly
> >>supported?
> >
> >
> > Codes vary from area to area but a general answer for a shed roof (that
is a
> > single incline from the house to the yard) would be to remove a strip or
two
> > of the wood siding then bolt a ledger board to the existing sill or stud
> > wall. Use joist hangers nailed to the ledger board and support the yard
side
> > with a header and posts of correct size.
>
> That's sort of what I had in mind. I'm just wondering if the wall made
> of 2x4's is strong enough to bolt the side of a roof to that has rafters
> made of 2x6's.
>
Your ledger plate will most likely need to be a 2x8, maybe a 2x10 to allow
the 2x6 rafter to rest fully against it after the angle is cut. The weight
transfer is down. The load is divided between the stud wall and the
header/posts on the other end.
Unless you have a heavy snow load to factor in I think you will be fine. I
just rebuilt one this way on an inspected job site. There were no
complaints from the inspector. There just isn't that much weight involved. I
still suggest a call or visit to your local building inspection office.
Colbyt
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