Before the roof sheathing goes on the open framing provides easy access for attaching the return blocking and the nailers for the rake soffit.
Roof framing brick walls.
Once you have finished wall framing you can move onto installing insulation and drywall.
When the roof of an addition garage porch or patio meets a brick wall the intersection creates a number of concerns.
Roof framing typically consists of dimensional lumber rafters or engineered roof trusses.
The roof framing itself in this situation is much like any other traditional.
Conventional wall stud framing wall studs are spaced either 16 or 24 from center to center.
Most older houses have 2 by 4 wall studs spaced 16 inches on center.
The roof framing must also function as part of the roof diaphragm to transfer lateral loads to the shear walls below.
Solid masonry construction because brick is very porous and absorbs moisture easily some method must be provided to protect the end of the joist from absorbing moisture from the masonry when a roof framing system is to be supported on masonry a pressure treated plate is usually bolted to the brick.
Forming a very rigid roof triangle was particularly important to eliminate any risk that roof loads might push the added on cripple walls outwards.
The roof decking and sheathing and resist loads applied to the sheathing and transfer loads vertically to support walls or frames.
Nail the end studs to framing in the existing wall.
For our 4 x8 lean to example using a 2 4 rafter the depth of the birdsmouth is limited by the 1 3 depth of the rafter rule.
An alternate approach would be to use steel beams spanning between brick piers or steel columns to support the masonry on the upper floors.
Adding ceiling joists below this rather low sloped roof required adding a short wood framed wall that itself had to be anchored to the original brick wall of this building extension.
Score the shims with a utility knife and snap them off flush with the plate.
Framing methods exterior wall construction.
A 2 4 wall with a 2 6 rafter can be notched for a 4 seat.
Framing a dropped gable wall.
Wing walls that are only a few feet high and a few feet long can present challenges.
The one story roof would frame into the masonry wall beginning above the roof line.
Use a framing square to help lay out the notch based on the slope of the roof.
Thank you for contacting the county of los angeles department of public works.
Additionally the use of a keystone retaining wall system is subject to the approval of our building division.
The lower portion of the masonry wall below the roof line would either be concealed or exposed to the interior.