Flashing Around Skylights Metal Roof

We offer a variety of skylight flashing systems to ensure a weathertight fit for virtually all roof types and slopes.

Flashing around skylights metal roof.

First remove the skylight s counterflashing. Replace or repair the metal flashing around the frame of the skylight. Once the metal flashings are ready place the pieces between the roof and skylight above the roof and under the skylight. Metal roofing manufacturers can explain how to flash their products against skylights and other protrusions.

Step 3 install the metal flashing. The edge of the roof has thin metal flashing that helps water drip off. Flashing a skylight may involve sealant as one line of defense against water infiltration but above all there must be good flashing. It cannot be flush mounted.

Apply 100 silicone caulking tube to seal leaks around the skylight lens. Secure by nailing the flashing to the roof. Step flashing is much more reliable. Most residential skylights sit on a raised curb made watertight with metal flashing.

Open valleys have metal flashing to protect this critical area of the roof. With asphalt shingles avoid skylights that provide only a continuous side flashing which relies on roofing cement for a waterproof seal. Then fold the tabs on all sides of the skylight and screw them down. Use roofing cement can or tube to seal any gaps or holes in the flashing.

With metal roofing use the manufacturer supplied kit or have the roofing contractor fabricate a matching flashing from the metal roofing material. A skylight in a metal roof must be curb mounted in order to be properly flashed. Repeat to install the flashing to all sides of the skylight frame. 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.

While some skylight manufacturers include flashing in their products sometimes roofing professionals. Velux skylight flashing kits are designed to shed water without relying on sealants that can break down over time. Depending on the location of the leak you may need to.