How To Flash A Skylight On Roof

So notorious that a major manufacturer velux developed flashing kits that could be shipped with the skylight to eliminate origami gone wrong on the roof.

How to flash a skylight on roof.

Repeat to install the flashing to all sides of the skylight frame. Step 3 install the metal flashing. Custom flashing around a triangle skylight on a metal roof. Properly installing a skylight requires detailed skylight flashing.

Next slip individual pieces of step flashing under the shingles. Custom flashing around a triangle skylight on a metal roof. Some skylights come with a kit and you don t have to build the aprons and install step fl. 4 install bottom step flashing.

Demonstrating how to properly flash a skylight. Flashing is the key to a skylight that won t leak water into the roof cutting a hole in a perfectly water tight roof is asking for trouble and true to form skylights are notorious for leaking. Install the bottom flashing a single piece that wraps partway around the skylight and sits on top of the roof shingles figure 3. Finally the top flashing gets interwoven with the underlayment that covers the roof surface and the roofing material is added back around the skylight with a 2 4 inch gap between the top of the flashing and the bottom of the shingles.

This skylight shows the correct flashing technique to make it waterproof. Then fold the tabs on all sides of the skylight and screw them down. Numbers 1 4 correspond to the 4 photos above. Drive roofing or flashing nails horizontally into the skylight not vertically into the roof.