Roof Skylight Flashing Detail

A crucial part of our complete system.

Roof skylight flashing detail.

If it s carefully removed when the old roof is torn off it should be reusable. Skylight flashing systems are not required for pan flashed skylights or velux sun tunnel skylight. Step flashing is laced over each course of asphalt shingles cedar shakes and shingles and most alternative steep sloped roofing materials no more than 1 above the weather exposure of the roofing being installed. First remove the skylight s counterflashing.

Epdm uses contact cement to glue the rubber to the metal. Here we provide details about framing the skylight opening constructing the skylight well or chute sealing the skylight flashing around skylights to avoid leaks and protecting from ice dams and ice dam leaks at skylights. Velux skylight flashing kits are designed to shed water without relying on sealants that can break down over time. Secure by nailing the flashing to the roof.

Flashing is installed to surround roof features such as vents chimneys and skylights. We offer a variety of skylight flashing systems to ensure a weathertight fit for virtually all roof types and slopes. In other words no more than 1 above the butt of the roofing material of the next course. We offer a variety of skylight flashing systems to ensure a weathertight fit for virtually all roof types and slopes.

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. 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. That is one of the more difficult areas to accomplish and to make sure it would last a long time without leaking.

That s when the rubber roof gets attached to the flashing with adhesives. The installer starts at the bottom of the skylight with the sill flashing. 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. The shingles must be installed close enough to the skylight so that the bottom flashing has proper coverage.

Then fold the tabs on all sides of the skylight and screw them down. Repeat to install the flashing to all sides of the skylight frame. When a skylight is installed on a flat roof then the flashing around it should be one solid piece. Some skylights come with a kit and you don t have to build the aprons and install step fl.

Skylight flashing installation details.