Roof Flashing Around Skylights

Flashing is installed to surround roof features such as vents chimneys and skylights.

Roof flashing around skylights.

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. Repeat to install the flashing to all sides of the skylight frame. Most residential skylights sit on a raised curb made watertight with metal flashing. How to roof around a curb mount skylight.

Secure by nailing the flashing to the roof. The installer starts at the bottom of the skylight with the sill flashing. The shingles must be installed close enough to the skylight so that the bottom flashing has proper coverage. That is one of the more difficult areas to accomplish and to make sure it would last a long time without leaking.

Epdm uses contact cement to glue the rubber to the metal. That s when the rubber roof gets attached to the flashing with adhesives. Flashings shall be installed at wall and roof intersections wherever there is a change in roof slope or direction and around roof openings. 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.

When a skylight is installed on a flat roof then the flashing around it should be one solid piece. If it s carefully removed when the old roof is torn off it should be reusable. A flashing shall be installed to divert the water away from where the eave of a sloped roof intersects a vertical sidewall. Raising the skylight curb may be required to properly flash and roof around.

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

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. This also changes the look of the interior side of the skylight. The best solution to this is to replace the flashing with a more durable modern version available on the market today that can.