The flashing shall be a minimum of 4 inches 102 mm high and 4 inches 102 mm wide.
Metal roof sidewall flashing detail.
The wall side of the flashing can either be covered over with siding or sealed with caulk.
At the end of the vertical sidewall the step flashing shall be turned out in a manner that directs water away from the wall and onto the roof and or gutter while this is a nice diagram of how these flashings work don t forget our 5 th design rule.
Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies 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.
Installing the sidewall flashing.
Since most ordinary homeowners do not have all the necessary know how or significant knowledge of basic roofing principles along with experience of working on an actual roof all day in the sun with the sweat pouring down the face as you work on flashing all the dormers chimneys and roof vents or shingling away for hours on end and doing it right taking on the installation of a metal roof.
In order to do that we re going to use the end wall flashing as a guide.
I m going to take the end wall flashing put it in place and use a pencil or a sharpie to mark the tops of the ribs and the gable trim just so i know where to put those z s.
At the gable edge use a gable or sidewall flashing.
Do not step on panel ribs or on trim pieces to prevent kinking.
Sidewall flashing sidewall flashing is applied when the side of the roof butts up against an adjacent wall.
It s a standard l trim and we use this trim most often in a concealed or hidden fastener application.
This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance.
Butyl tape should be applied where the foot of the flashing attaches to the roof.
Sidewall flashing is to be used where flashing is needed to go behind the wall steel and on top of the roof steel made with premium steel 28 gauge limited lifetime paint warranty.
The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge.
Now we can put our sidewall trim up make our marks for cutting and folding and install it.
This will keep weather out prevent lifting in high winds and provide a neat finished appearance.
We ve cut our z trims and before we install them we need to know where to place them on the panel.
The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge.
