Flat Roof Skylight Flashing

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

Flat roof skylight flashing.

That s when the rubber roof gets attached to the flashing with adhesives. 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. Welding the corners where the flashing meets the curb is necessary. 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.

Skylights meant for a pitch roof will have step flashing. It is essential when installing a skylight on a flat roof with curb flashing that is in one piece. Just as crucial for a watertight seal the flashing must also be clean from debris or tar. Velux skylight flashing kits are designed to shed water without relying on sealants that can break down over time.

When a skylight is installed on a flat roof then the flashing around it should be one solid piece. Epdm uses contact cement to glue the rubber to the metal. The corners of the flashing should be welded. Skylight flashing systems are not required for pan flashed skylights or velux sun tunnel skylight.

It is critical to ensure that the roof membrane is properly attached to the flashing of the skylight. All seams are welded unlike glued. The flashing on these skylights are 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. Flat roof skylights should have one continuos piece of metal flashing around them. The curb flashing of a skylight is what could leak.