Roof Framing Brick Walls

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.

Roof framing brick walls.

A 2 4 wall with a 2 6 rafter can be notched for a 4 seat. Roof framing typically consists of dimensional lumber rafters or engineered roof trusses. Nail the end studs to framing in the existing wall. The lower portion of the masonry wall below the roof line would either be concealed or exposed to the interior.

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. Because the wall you have described is on a small slope a building permit is required even if you terrace the area with two 2 foot walls. Wing walls that are only a few feet high and a few feet long can present challenges. 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. Conventional wall stud framing wall studs are spaced either 16 or 24 from center to center. Thank you for contacting the county of los angeles department of public works. The one story roof would frame into the masonry wall beginning above the roof line.

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. When the roof of an addition garage porch or patio meets a brick wall the intersection creates a number of concerns. The roof framing itself in this situation is much like any other traditional. Most older houses have 2 by 4 wall studs spaced 16 inches on center.

Use a framing square to help lay out the notch based on the slope of the roof. Additionally the use of a keystone retaining wall system is subject to the approval of our building division. Once you have finished wall framing you can move onto installing insulation and drywall. One of the keys to framing the rake with my system is building a dropped gable end wall the top of which is 3 1 2 inches below the tops of the rafters.

Before the roof sheathing goes on the open framing provides easy access for attaching the return blocking and the nailers for the rake soffit. Score the shims with a utility knife and snap them off flush with the plate. Many newer houses have 2 by 6 wall studs either 16 or 24 inches on center to make exterior walls stronger and create a larger cavity for wall insulation. An alternate approach would be to use steel beams spanning between brick piers or steel columns to support the masonry on the upper floors.