Proper Roof Flashing

Step flashing can be made with aluminum copper lead galvanized steel or stainless steel but most commonly it is aluminum or copper.

Proper roof flashing.

Fasten loose nails and cover exposed nail heads with roofing cement. Proper roof wall flashing example 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. Pieces of step flashing are bent at an angle. The first is called step flashing.

Sections of l shaped sheet metal are woven into the shingle courses and lapped up the side of the chimney. And more often than not the culprit is the flashing the sheet metal that keeps the intersection between the chimney and roof watertight. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Recommended procedures of basic valley flashing installation.

This ensures that rain always. Although roof flashing is occasionally fabricated from plastic roofing felt or rubber it is usually made of rust resistant metal galvanized steel aluminum or copper. One common method is to lay the edge metal under the eaves membrane and over the rake. It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling.

Small l shape flashing pieces must be woven into the. Galvanized sheet metal is most common but aluminum and copper find occasional use in specialty situations. Some roof features such as chimneys require two pieces of flashing. Base flashing is one length of flashing that is bent along the length.

Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing. These are the key types of roof flashing you need to understand. Step flashing step flashing redirects the water back onto the shingle. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.

Two ways to flash roof edges. Base flashing is the solution for front walls. Then install a non corrosive metal valley flashing of 24 minimum width lap successive sheets of metal flashing a minimum of 12 inches and seal laps. Step flashing should always be used where the roof deck meets a sidewall.

Details concrete masonry roofing wrb flashing. Install an underlayment centered in the roof valley. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. Even if one piece of step flashing fails the flashing and shingle below it start the process over again.

Recaulk the joints between the roof and the flashing. How to install roof flashing against a wall.