Property Edge Flashing Overlap For Flat Roof

The base flashing is fastened to the roof with cleats spaced a maximum of 12 apart.

Property edge flashing overlap for flat roof.

Click to enlarge any image. Then reshingle sliding metal step flashing behind the fascia board the trim behind the gutter. Roof drip edge flashing serves multiple functions on a building the foremost of which is to assist water in leaving the roof edge with minimum damage to other building components by directing the water off of the roof and into the gutter. If the gutter is lower than the bottom edge of the drip edge install flashing behind the drip edge and over the back edge of the gutter to remove the gap.

Base roof flashing works like shingles it overlaps and sheds water. The cap flashing is set in the mortar joint between bricks. Another way is to storm proof the edge by folding the membrane down over the gap between roof deck and fascia layering metal flashing on top sealed with another strip of flashing membrane. It bends around the edge of the roof channeling any moisture that penetrates the shingles away from the roof decking.

Flashing is aluminum so it is very easy to bend in this fashion. The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in. Drip edge roof underlap roof overlap wall side underlap horizontal sheeting. Draw a line with a marker and trim the excess with the tin snips.

Metal drip edge flashing is an important element of any roofing edge. This keeps the water on top of the flashing and away from the roof deck. Overlap pieces at least a couple of inches shingle style with pieces higher up on the roof overlapping pieces lower down. If leaks continue to occur from ice dams consider installing roof edge heating cables.

Non flat surfaces 2 0 0 3 0 0 flashing straight overlap sealed roof underlap soaker continuous beads of silicone continuous beads of silicone either timber or steel battens can be used indicates trough turn up. The layering uses gravity to direct water out of the assembly. When lapping the eave metal overlap them so the seam faces away from the direction of prevailing view. Three tips for overlapping drip edge flashing.

Like all flashings it is constructed in a system to work with the effect of gravity. One common method is to lay the edge metal under the eaves membrane and over the rake membrane. Get a piece of the flashing to cover and line the edge up with the area and bend it around until it meets and overlaps the starting edge. Roof drip edge flashing at roof eaves gable ends.

The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing. Step one in steep slope roofing is the edge flashing.