How To Install Metal Flashing On A Flat Roof

Apply roofing cement when installing drip edge on an existing roof.

How to install metal flashing on a flat roof.

Details concrete masonry roofing wrb flashing. Then nail the new l shaped flashing under the builder s felt but above the fascia board. 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. One common method is to lay the edge metal under the eaves membrane and over the rake.

Two ways to flash roof edges. 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. It may be quite a labor but it pays off with a strong roof. Lift the shingles slide the drip edge underneath them and position it so that it extends over the gutters then replace the shingles and push down to seat the drip edge.

Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge. This video shows how to install endwall flashing with standing seam panels. Most flashing is 8 inches wide. The video features union s advantage lok ii standing seam roofing panel which is.

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. 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. Roof shingle over step flashing.

Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Coat the flat part of the flashing that sits on the deck using a putty knife. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. Bend the corner flashing tightly around the corner.