Flat Roof To Wall Flashing Detail

Flashing on a wall above a flat roof.

Flat roof to wall flashing detail. This collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs right in the real world. Use step flashing that has a 2 to 4 inch longer vertical leg than normal. Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5. Do not seal housewrap or building paper to step flashing.

This video demonstrates where flashing could be leaking from on a brick wall. Lead flashing maximum length. To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width. Ah but not in the way you think.

At roof to wall intersections see figure 1. Size up the job. Ideally this should be 150mm or a minimum of 75mm again common sense and exposure applies. No air control in either the roof assembly or the wall assembly.

The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material. See fact sheet nos. Think about the thermal stress a roof membrane goes through figures 7 and 8. Flashing is installed to surround roof features such as vents chimneys and skylights.

Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. And to make matters worse structurally we also tend to have some issues. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. 7 2 and 7 3 for rake and eave details.

Most simply use a nominal 6 piece of lumber. Flat roof flashing this could virtually be any type of flat roof the upstand of the flat roof covering is overlapped by the drop of the flashing. To emphasize the importance of proper roof and deck flashing and to provide typical and enhanced flashing techniques for coastal homes. No vapor control layer and thermal bridging everywhere.