Proper Roof Edge Flashing

Edge flashing and starter strip roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing details roofing wrb flashing two ways to flash roof edges.

Proper roof edge flashing.

Click to enlarge any image. Without it roof runoff flows down the wall and possibly into the wall. The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing. Proper roof wall flashing example to install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width.

The base flashing laps the roof a minimum of 4. Storm proof roof 2. While some skylight manufacturers include flashing in their products sometimes roofing professionals. For pitched roofs regardless of the application or type of flashing used the purpose of flashing is to direct the flow of water that leaks into the intersection down and away from the interior of the structure to the topside of the roofing material.

Tip 2 is. Once free slide the drip edge out and discard. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. You might not notice it for years but eventually rot will destroy sheathing and framing.

Kick out flashing is critical where a roof edge meets a sidewall. Gently lift up the shingles on the edge of the roof and locate the nails holding the existing drip edge onto. Open valleys have metal flashing to protect this critical area of the roof. The edge of the roof has thin metal flashing that helps water drip off.

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. This is worst when there is a door or a window below and water can seep behind the trim. It can be done. Use a flat pry bar and hammer to pry the nails out of the drip edge gently.

When lapping the eave metal overlap them so the seam faces away from the direction of prevailing view. Once all the underlayment is applied go back and place the roof drip edge flashing along the gable ends of the roof. The base flashing is fastened to the roof with cleats spaced a maximum of 12 apart. Three tips for overlapping drip edge flashing.

Covering the ends of the ice and water barrier or felt paper with drip edge ensures that windblown rain that gets under the shingles will run over the underlayment not on the sheathing.