How To Install Metal Flashing On A Flat Roof

4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.

How to install metal flashing on a flat roof.

Apply roofing cement when installing drip edge on an existing roof. Most flashing is 8 inches wide. If you do not wish to form your own corner flashing you can buy pre bent pieces and cut them to size or use a piece of corrugated aluminum which is easier to bend. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.

Once you know where the flat roof flashing goes and you have trimmed it the easy part is installing it. Step flashing on roof peak. Here is a guide on how to install lead flashing to your roof. One common method is to lay the edge metal under the eaves membrane and over the rake.

Use roofing nails to install the l shaped flashing flush with the roof and wall then cover it with roofing cement and reattach the roofer s felt. Coat the flat part of the flashing that sits on the deck using a putty knife. The video features union s advantage lok ii standing seam roofing panel which is. This video shows how to install endwall flashing with standing seam panels.

Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge. Place the flashing where you determined and hammer it in place using roofing nails until the head of the nail is flush with the roof. It may be quite a labor but it pays off with a strong roof. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.

Roof shingle over step flashing. Then nail the new l shaped flashing under the builder s felt but above the fascia board. Two ways to flash roof edges. Bend the corner flashing tightly around the corner.