Property Edge Flashing Overlap For Flat Roof

It bends around the edge of the roof channeling any moisture that penetrates the shingles away from the roof decking.

Property edge flashing overlap for flat roof.

If the overlap is too short fix it by placing drip edge under the first row of roof shingles and be sure that the exterior edge is reaching over the gutter. Then reshingle sliding metal step flashing behind the fascia board the trim behind the gutter. Drip edge roof underlap roof overlap wall side underlap horizontal sheeting. Roof drip edge flashing at roof eaves gable ends.

Overlap pieces at least a couple of inches shingle style with pieces higher up on the roof overlapping pieces lower down. Metal drip edge flashing is an important element of any roofing edge. Step one in steep slope roofing is the edge flashing. 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.

If leaks continue to occur from ice dams consider installing roof edge heating cables. Three tips for overlapping drip edge flashing. Flashing is aluminum so it is very easy to bend in this fashion. Base roof flashing works like shingles it overlaps and sheds water.

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. The base flashing laps the roof a minimum of 4. 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. Click to enlarge any image.

Quality edge flashings are available in many sizes all of which are available in colors that match the drip edge w valley and gutter protection. 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 lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing. The cap flashing is set in the mortar joint between bricks.

The base flashing is fastened to the roof with cleats spaced a maximum of 12 apart. This keeps the water on top of the flashing and away from the roof deck. Draw a line with a marker and trim the excess with the tin snips. The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in.

When lapping the eave metal overlap them so the seam faces away from the direction of prevailing view. One common method is to lay the edge metal under the eaves membrane and over the rake membrane.