Flat Roof Skylight Flashing

Preparing the flashing for a new rubber roof.

Flat roof skylight flashing.

When flat roof doesn t have good drainage then water could pool around a skylight causing a leak in the weakest part of the roof. The flashing on these skylights are one piece. Skylight flashing systems are not required for pan flashed skylights or velux sun tunnel skylight. Skylights meant for a pitch roof will have step flashing.

Epdm uses contact cement to glue the rubber to the metal. They are meant to be installed on a flat roof. All seams are welded unlike glued. Flat roof skylights should have one continuos piece of metal flashing around them.

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. In the case of epdm rubber the flashing on the right will not work. The corners of the flashing should be welded.

When a skylight is installed on a flat roof there will come a time when water is pooling around the curb flashing of the skylight. It is essential when installing a skylight on a flat roof with curb flashing that is in one piece. One solid piece of flashing. We offer a variety of skylight flashing systems to ensure a weathertight fit for virtually all roof types and slopes.

Just as crucial for a watertight seal the flashing must also be clean from debris or tar. The curb flashing of a skylight is what could leak. When a skylight is installed on a flat roof then the flashing around it should be one solid piece.