Head Wall Roof Flashing
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.
Head wall roof flashing. Proper roof wall flashing example. A headwall is a level junction where a roof meets a wall. Head flashings are used to direct water away from openings such as windows and. Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require.
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. A critical component of step flashings along the run of the roof slope is a kick out flashing. Click to add item frost proof roof pipe flashing to the compare list. 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.
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. Compare click to add item frost proof roof pipe flashing to the compare list. Headwall flashing should extend up behind the exterior wall covering and down over the roof covering material as you see here. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Copper flashing is locked into this edge and extends at least 8 up the wall. Flashing this area of a roof correctly is very important to avoid leaks. 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. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
This illustration shows proper flashing at a headwall condition. Batten seam roof at wall. Up to 5 3 4 in. The soft aluminum base conforms to most metal roof panels.
Open valleys have metal flashing to protect this critical area of the roof. All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc. Roof to wall flashing. 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.
Shipping add to cart. The flashing of the head of a batten seam roof at a wall is shown in this detail. 10 x 10 white aluminum trim coil. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten.