Proper Roof Flashing Installation

Recaulk the joints between the roof and the flashing.

Proper roof flashing installation.

Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters. You will also need rake edge flashing for the sides of the roof. Two ways to flash roof edges. Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.

To install the flashing piece on the first course place it over the end of the starter strip. If nailed to both the flashing may deform under the pressure from shifting brick or wood. When you install roof flashing you will need to use a sealant. One common method is to lay the edge metal under the eaves membrane and over the rake.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Make sure to install flashing around the chimneys and walls. The flashing integrates the roof cladding into the wall cladding to keep water out. Step flashing redirects the water back onto the shingle.

Secure the horizontal flange to the roof deck using two nails. Step flashings are to be installed one per course. Install the step flashing pieces so that they can easily be replaced during a reroof job or else the damaged old. It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling.

While roofing professionals occasionally use nails when flashing they must choose whether to nail to the roof plane or the vertical wall. As a protectant flashing is placed anywhere on the roof s surface that requires extra protection. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. These areas include anywhere there are intersections or joints such as edges around chimneys vents skylights roof valleys and soil stacks.

How to install roof flashing against a wall. Proper installation of step flashing. Fasten loose nails and cover exposed nail heads with roofing cement. Details concrete masonry roofing wrb flashing.

Even if one piece of step flashing fails the flashing and shingle below it start the process over again.