Flat Roof To Wall Connection Detail

Step flashing is a rectangular piece of flashing bent 90 degrees in the center.

Flat roof to wall connection detail.

Use step flashing that has a 2 to 4 inch longer vertical leg than normal. Detail for attachment to metal panel siding or fascia. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. This detail for cmu installation only.

The steels or rsj s rolled steel joists are often built into one or both walls to give added stability to the roof structure. Performance of conventional roof systems and components including ceiling joist to rafter connections and roof framing to wall connections. At roof to wall intersections see figure 1. Attic dormer roof construction detail.

These drawings are provided by sipa for informational purposes only. 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. Hand driven and pneumatic fasteners were included in the test program. Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.

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. Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall. 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. Yes even flat roof to wall intersections are not being properly done.

Do not seal housewrap or building paper to step flashing. Downspout strap detail 1 4 dia. It is used for roof to wall flashing. For additional stability you can also use steel joists that are built into one or both of the walls.

Learn how to install it below. This will give additional stability to the roof structure. Individual connections and connections within full scale roof systems were tested to quantify potential system effects.