Flat Roof To Wall Connection Detail
Performance of conventional roof systems and components including ceiling joist to rafter connections and roof framing to wall connections.
Flat roof to wall connection detail. It is used for roof to wall flashing. Do not seal housewrap or building paper to step flashing. This will give additional stability to the roof structure. On a basic level flat roof construction comes in the form of roofing timbers or joists as they are more commonly known or steels that are laid across two uprights walls in most cases.
These drawings are provided by sipa for informational purposes only. This detail for cmu installation only. Detail for attachment to metal panel siding or fascia. Hand driven and pneumatic fasteners were included in the test program.
Gts rf 19 a 04 12 17 roof truss to sip wall connection detail gts rf 20 a 04 12 17 roof truss connection details 1 gts rf 21 a 04 12 17 roof truss connection details 2 gts rf 22 a 04 12 17 roof truss to sip wall connection detail gts rf 23 a 04 12 17 truss roof. X 5 8 bolt brass alum. Downspout strap detail 1 4 dia. For alternate 24 inch spacing of floor wall and roof fram ing where floor and roof trusses are used and accommodates 24 inch spacing of studs where wind loads.
Individual connections and connections within full scale roof systems were tested to quantify potential system effects. Use step flashing that has a 2 to 4 inch longer vertical leg than normal. For additional stability you can also use steel joists that are built into one or both of the walls. Attic dormer roof construction detail.
Follow your sipa member manufacturer s technical drawings specifications and installation instructions to ensure quality and avoid voiding any manufacturer warranties or guarantees. Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape. The steels or rsj s rolled steel joists are often built into one or both walls to give added stability to the roof structure. Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall.
Learn how to install it below. The flat roofing material must go up the wall a minimum of 12 or up the wall and over the top of the wall if the wall is less than 12 high. At roof to wall intersections see figure 1.