Flat Roof To Wall Connection Detail

These drawings are provided by sipa for informational purposes only.

Flat roof to wall connection detail.

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. 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. It is used for roof to wall flashing.

Follow your sipa member manufacturer s technical drawings specifications and installation instructions to ensure quality and avoid voiding any manufacturer warranties or guarantees. Yes even flat roof to wall intersections are not being properly done. Use step flashing that has a 2 to 4 inch longer vertical leg than normal. Attic dormer roof construction detail.

Do not seal housewrap or building paper to step flashing. Learn how to install it below. At roof to wall intersections see figure 1. 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.

Step flashing is a rectangular piece of flashing bent 90 degrees in the center. 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. Performance of conventional roof systems and components including ceiling joist to rafter connections and roof framing to wall connections. Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall.

This detail for cmu installation only. Hand driven and pneumatic fasteners were included in the test program. Downspout strap detail 1 4 dia. For additional stability you can also use steel joists that are built into one or both of the walls.

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. X 5 8 bolt brass alum. This will give additional stability to the roof structure.