Flashing this area of a roof correctly is very important to avoid leaks.
Head wall roof flashing.
The flashing of the head of a batten seam roof at a wall is shown in this detail.
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.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
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All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc.
Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require.
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.
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.
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Proper roof wall flashing example.
Open valleys have metal flashing to protect this critical area of the roof.
The kick out flashing directs water away from the adjoining wall and ensures that the step flashing is not concentrating water on the surface of that wall.
Head flashings are used to direct water away from openings such as windows and.
Up to 5 3 4 in.
This illustration shows proper flashing at a headwall condition.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
This adjustable rubber pipe flashing for metal roofing this adjustable rubber pipe flashing for metal roofing accommodates roof penetrations from 1 4 in.
Here is an attempt though maybe not a very good one to make the roof flashing serve also as a through the wall flashing with a tile roof.
This flashing provides protection for pipes cables conduits and wires.
Roof to wall flashing.
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The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten.
Copper flashing is locked into this edge and extends at least 8 up the wall.
10 x 10 white aluminum trim coil.
Batten seam roof at wall.
A critical component of step flashings along the run of the roof slope is a kick out flashing.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
The soft aluminum base conforms to most metal roof panels.
There have always been problems with the flashing details at head walls rake walls and chimneys especially if stucco brick or stone veneer is used.
