This short repair video shows how to tie in a flat roof to a parapet wall with an l flashing using only surecoat roof coating and poly mesh.
Parapet flat roof flashing.
Typically these sections are bordered on one or more sides by parapet walls that have a three sided metal coping also known as.
The extra kick at the bottom of the face directs run off away from the structure.
Where this is unavoidable use an overflashing between the penetration and the ridge or parapet for roof sheet drainage design refer to the stramit roof slope design guide.
This drip edge flashing provides protection from water damage along the eaves and rake of a roof.
No vapor control layer and thermal bridging everywhere.
No air control in either the roof assembly or the wall assembly.
Ah but not in the way you think.
At the edge of these roofs parapet walls are commonly found and are vulnerable to leaks if not flashed correctly.
Tpo roofing pros and cons.
And to make matters worse structurally we also tend to have some issues.
Parapet wall caps are custom fabricated to any measurements and it usually measure 10 in length but can also be bent in 12 lengths.
Self adhesive flashing flashing roll less than 15 in.
No membrane under the parapet flashing.
Many buildings have flat roofs in certain areas specifically for air condoning units and etc.
Capping or parapet flashing.
As a roof ages the roofing seams begin to separate often beginning where the flat roof meets the parapet wall.
Air leakage into and out of everything and everywhere.
Change of pitch flashing sits on batten roof fixing seal seal ensure that the underlap length is sufficient to prevent wind driven rain from entering.
Many flat and low slope roofs are surrounded by parapet walls.
This is a surecoat systems how to roof.