If you decide on a shallow pitch porch roof use 2 by 6 foot rafters.
Finishing porch roof against wall of house.
Single slope and lean to.
A porch with a shed roof a roof that slopes down in one direction from the exterior wall of the house is more challenging to vent than a gable roof.
The roof framing itself in this.
Durable plastic and glass panels in your porch roof provide weather protection while also maximizing natural light.
A key part of my approach is using a special piece of flashing at this.
There sometimes is a problem with movement differences of the wall and the roof decking when the flashing is fastened to both the wall and the roof.
Most porch ceilings are covered at the least with plywood which is the perfect substrate for a high grade finish like beadboard.
Joist hangers can help you mount each rafter to the house.
How to frame a roof against a brick wall.
You can either put up sheets of plywood first or if your joists run parallel to the house tack the beadboard right to them.
Try to keep the nails as flush as possible to the edges.
When the roof of an addition garage porch or patio meets a brick wall the intersection creates a number of concerns.
If you plan to include a ceiling fan in your porch make sure you take that into consideration when deciding on the height of your ceiling.
The flashing on the wall should be flush against it and the porch roof portion should be on top of the shingles.
However if for some reason the joists of your porch roof are exposed don t fret.
The exterior of a house presents plenty of opportunity for leaks.
If you have an enclosed porch ceiling have vents to clear the roof cavity of moisture.
Enclosing a porch for living space is a major task simplified if the existing porch floor and roof can be used without major change.
Then enclosing the porch is framing walls making any revisions to doors and windows in the existing house wall adding exterior covering and finishing interior walls with insulation and drywall.
Later on we ll investigate the finer points of applying shingles to the top row of a lean to type shed.
A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates.
The positioning of your rafters will depend on the pitch of the porch roof.
Unless you re careful step flashing can allow water from the roof to slip behind the gutter and get behind the siding and even the housewrap.
Nail the flashing securely in place using roofing nails.
Often with new construction the roof flashing is first nailed to the wall.
Place the flashing between the joint of the house and the roof.
How to finish the top edge of a shed roof.
Then the house wrap and exterior wall covering are installed over this roof flashing.