How To Install Aluminum Roof Flashing

This helps to prevent water from sliding around the aluminum flashing and into the roof area.

How to install aluminum roof flashing.

The remaining siding on the sidewall will overlap the step flashing and nail. For the valley areas of the roof you will be using valley flashing. Space the screws about 12 in 30 cm apart. Especially if you live in an area that gets a lot of snow and ice.

It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are. One common method is to lay the edge metal under the eaves membrane and over the rake. Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it.

Also install at the valley of the roof where it joins up with other parts of the roof. 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. 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.

Most flashing is 8 inches wide. Install edging use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Install the underlayment as directed by the manufacturer then set the valley flashing on top of it.

Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Use your neoprene washer head screws to secure the metal to the sheathing. Step flashing on roof peak.

Roof shingle over step 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. Step 3 install the flashing. Place corner pieces where panels will meet bends at the edge of the roofing.

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. Once even a small section of roofing cement fails you ll have a leak.