Roof Flashing Around Skylights

After a row of roofing material is installed over the bottom edge of the underlayment the sill flashing is placed at the bottom of the skylight.

Roof flashing around skylights.

Once the metal flashings are ready place the pieces between the roof and skylight above the roof and under the skylight. Repeat to install the flashing to all sides of the skylight frame. Step 4 cover the gaps. Some skylights come with a kit and you don t have to build the aprons and install step fl.

The shingles must be installed close enough to the skylight so that the bottom flashing has proper coverage. The installer starts at the bottom of the skylight with the sill flashing. Most residential skylights sit on a raised curb made watertight with metal flashing. A flashing shall be installed to divert the water away from where the eave of a sloped roof intersects a vertical sidewall.

That is one of the more difficult areas to accomplish and to make sure it would last a long time without leaking. First remove the skylight s counterflashing. This also changes the look of the interior side of the skylight. Flashings shall be installed at wall and roof intersections wherever there is a change in roof slope or direction and around roof openings.

If it s carefully removed when the old roof is torn off it should be reusable. The easiest way is to do this is to add one or two layers of 2 x 2 lumber to the top of the existing curb. That s when the rubber roof gets attached to the flashing with adhesives. Flashing is installed to surround roof features such as vents chimneys and skylights.

The best solution to this is to replace the flashing with a more durable modern version available on the market today that can. If not you ll have to buy new flashing 50 to 100 either from the skylight manufacturer or from a roofing company that has a metal fabrication shop look under roofing in the yellow pages or online. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. How to roof around a curb mount skylight.

Epdm uses contact cement to glue the rubber to the metal. If you have an old skylight chances are over time the flashing the metal around the skylight connecting it to your roof will corrode due to continuous exposure to different kinds of weather and water. Then fold the tabs on all sides of the skylight and screw them down. Secure by nailing the flashing to the roof.