How To Install Roofing Around Skylights

Cover the bottom flange with a strip of membrane that extends 6 inches past the skylight s sides.

How to install roofing around skylights. Drive roofing or flashing nails horizontally into the skylight not vertically into the roof. Cut the extensions at a 45 degree angle out from both corners of the skylight. The roofing felt and step flashing helps keep water from leaking around the skylight. Install the bottom flashing a single piece that wraps partway around the skylight and sits on top of the roof shingles figure 3.

Wrap the top part around the skylight s frame as shown and press the other part against the roof. Contractor larry landers demonstrates how to install roofing shingles around skylights. Next slip individual pieces of step flashing under the shingles. Cover the side flanges then the top in the same way.

Cut the metal flashing based on the length you determined but adding an extra two inches. How to roof around a curb mount skylight. The bottom sill will be a u shaped metal piece that slips over the bottom of the skylight. Attach the bottom sill of the flashing.

When the piece is cut mark the height of the skylight add one inch and cut.