Flat Roof To Wall Connection Detail

Yes even flat roof to wall intersections are not being properly done.

Flat roof to wall connection detail.

This detail for cmu installation only. Use step flashing that has a 2 to 4 inch longer vertical leg than normal. 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. Step flashing is a rectangular piece of flashing bent 90 degrees in the center.

X 5 8 bolt brass alum. 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. The steels or rsj s rolled steel joists are often built into one or both walls to give added stability to the roof structure. 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. Do not seal housewrap or building paper to step flashing. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. Attic dormer roof construction detail.

Detail for attachment to metal panel siding or fascia. Downspout strap detail 1 4 dia. 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. For additional stability you can also use steel joists that are built into one or both of the walls.

Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape. Follow your sipa member manufacturer s technical drawings specifications and installation instructions to ensure quality and avoid voiding any manufacturer warranties or guarantees. At roof to wall intersections see figure 1. This will give additional stability to the roof structure.

It is used for roof to wall flashing. 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.