The ledger typically a 2 by 6 is usually designed to hold one end of the patio roof rafters.
How to attach gable roof to gable end of house.
Here we will focus on adding length to the end of a house roof.
The ledger should be attached.
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Then mount new trusses on the new addition walls.
Either the addition is added to form a t shape to the house with the ridge running perpendicular to the main house roof or the addition is continued on the end of the house making it longer with the ridge running the same way as the existing house.
Gable end details for closed eaves.
Use screws to secure the rafter to the sill plate.
If you decide on a shallow pitch porch roof use 2 by 6 foot rafters.
Nail it near the peak of the trusses.
A house attached patio roof takes advantage of the house s structure by supporting one end of the roof on a ledger mounted horizontally to the house.
Next cut out slots in rafters so a 2 x 4 will sit flush with it on the cap plate.
Tying in to an existing gable roof tie into the end of an existing gable roof by removing existing facing boards wall siding and any other obstructions back to the first truss of the old roof.
The cleanest look for a gable end with a closed eave is to angle the soffit therefore eliminating the need to resolve the eave at the gable end.
Continue to measure 2 x 4 s to allow nailing at each truss until you reach the end of your roof and add the additional 6 inches and 1 1 2 inches for that end.
Butt the first new truss against the old one.
Locating and mounting the ledger is normally a fairly easy process.
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This configuration gives the look of an open eave but it has the same benefits ease of maintenance and energy performance as a closed eave.