How To Install Aluminum Roof Flashing

To get the best from the flashing you should fit of the sheet onto the side of the roof and the other half onto the building or addition which it is touching.

How to install aluminum roof flashing. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. 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. If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch. Also install at the valley of the roof where it joins up with other parts of the roof.

Install edging use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. Once even a small section of roofing cement fails you ll have a leak. Step flashing on roof peak.

This helps to prevent water from sliding around the aluminum flashing and into the roof area. For exposed fasteners avoid over tightening the fastener. Space the screws about 12 in 30 cm apart. But it doesn t work that way.

Place corner pieces where panels will meet bends at the edge of the roofing. One common method is to lay the edge metal under the eaves membrane and over the rake. Most flashing is 8 inches wide. Bend the corner flashing tightly around the corner.

Roof shingle over step flashing. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. Use your neoprene washer head screws to secure the metal to the sheathing.

Especially if you live in an area that gets a lot of snow and ice. Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it. The remaining siding on the sidewall will overlap the step flashing and nail. Step 3 install the flashing.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Before you apply the flashing you ll need to lay down a waterproof membrane.