You have to do it thoroughly so that the rafters sit flush on it.
How to attach a shed roof to a wall.
Determine a pitch or slope which will affect the placement of the connection to the existing roof.
A shed roof should slope at least 1.
Check your local building codes before beginning construction.
Attach the horizontal beam by using a nail gun.
The gable rafters on either side of the shed roof are doubled and short cripple rafters run between the header and the ridge above it.
After that to make it flush with the roof of the existing house cut the two outer rafters.
In both cases the weight of the roof is.
Temporarily nail or brace the ledger in place positioned and leveled at the desired height.
The end of the roof will affect that.
If it is impossible to attach the ledger to a floor joist then fasten the ledger to wall studs which are generally located on 16 inch or sometimes 24 inch centers and doubled up around doors windows and other openings.
An 8 foot wall uses 92 5 8 9 foot are 104 5 8 and 10 foot use 116 5 8.
Acquire any necessary building permits before starting work.
How to attach a porch roof to a house.
For a basic shed wall with no windows or doors your wall will consist of a bottom and top plate with studs fastened in between at even intervals.
How to attach a shed roof to an existing roof.
The shed rafters attach to the header opposite the cripple.
Work from the height of the outside of the new shed roof.
Build support columns to help support the weight of your porch roof.
Framing studs are precut for standard wall heights and save time and waste cutting 8 studs down to length.