Flashing Around Skylights Metal Roof

With asphalt shingles avoid skylights that provide only a continuous side flashing which relies on roofing cement for a waterproof seal.

Flashing around skylights metal roof.

Secure by nailing the flashing to the roof. Step 3 install the metal flashing. Depending on the location of the leak you may need to. Skylight flashing systems are not required for pan flashed skylights or velux sun tunnel skylight.

Repeat to install the flashing to all sides of the skylight frame. With metal roofing use the manufacturer supplied kit or have the roofing contractor fabricate a matching flashing from the metal roofing material. Once the metal flashings are ready place the pieces between the roof and skylight above the roof and under the skylight. Replace or repair the metal flashing around the frame of the skylight.

We offer a variety of skylight flashing systems to ensure a weathertight fit for virtually all roof types and slopes. Open valleys have metal flashing to protect this critical area of the roof. First remove the skylight s counterflashing. Step flashing is much more reliable.

Metal roofing manufacturers can explain how to flash their products against skylights and other protrusions. A skylight in a metal roof must be curb mounted in order to be properly flashed. If it s carefully removed when the old roof is torn off it should be reusable. Velux skylight flashing kits are designed to shed water without relying on sealants that can break down over time.

Another method to repair skylight flashing on metal roofs is to use the modified bitumen rubber membrane to make the transition. Apply 100 silicone caulking tube to seal leaks around the skylight lens. Flashing a skylight may involve sealant as one line of defense against water infiltration but above all there must be good flashing. The edge of the roof has thin metal flashing that helps water drip off.

It cannot be flush mounted. Use roofing cement can or tube to seal any gaps or holes in the flashing. Most residential skylights sit on a raised curb made watertight with metal flashing.