The end wall flashing provides protection where a roof intersects with a vertical wall.
Metal roof headwall flashing.
In our case we are working with a snap lock standing seam roofing system with concealed fasteners.
The extra kick at the bottom of the face directs run off away from the structure.
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These don t bend well to accommodate roofs with steeper pitches and you ll often see gaps beneath the flashing.
On metal roofing systems a headwall flashing is designed to hook on the j channel or z channel and extend up behind the wall exterior while in shingle and slate roof the headwall sits on the first layer of roofing and is then covered by the second layer.
Flashing joints are lapped 6 in the direction of water flow.
Used in conjunction with closure strips or butyl tape it reliably protects against water infiltration.
It comes in 10 foot lengths or for step flashing 6 inch lengths.
Headwall flashing typically comes bent to 120 and can be fairly easily flattened for roofs with shallower pitches.
The gable flashing gets installed along the gable rake in the similar way to starter flashing.
I m going to install one between each panel directly in the center.
It is used to seal the gap between walls and intersecting roofs.
Occasionally you ll see a roof which has had 90 sidewall flashing installed as headwall flashing.
Flashing this area of a roof correctly is very important to avoid leaks.
Gibraltar drip edge flashing can be used with asphalt shingles or metal roofing panels.
The metal flashing is formed with a hook edge and cleated on 12 centers the flashing extends up the wall at least 4 the flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
With the end wall flashing in place i use stitch screws to attach it to the z trim and to the gable trim.
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This video shows how to install endwall flashing with standing seam panels.
Metal roof flashing is a galvanized sheet metal that is bent at a 90 degree angle about 8 to 12 inches on each side of the angle.
Once the gable flashing is set in place we can install our first vertical sheet metal panel that comprises standing seam system.
It s very important to make sure that you grab the z channel that s below and make sure that you re in the outside leg of the z channel.
Gibraltar end wall flashing is made from painted 29 gauge galvanized steel.
