When the piece is cut mark the height of the skylight add one inch and cut.
How to install roofing around skylights.
How to roof around a curb mount skylight.
Install the bottom flashing a single piece that wraps partway around the skylight and sits on top of the roof shingles figure 3.
The roofing felt and step flashing helps keep water from leaking around the skylight.
Wrap the top part around the skylight s frame as shown and press the other part against the roof.
Next slip individual pieces of step flashing under the shingles.
For ease of installation bend the cut piece of flashing to about 85 degrees.
Attach the bottom sill of the flashing.
The bottom sill will be a u shaped metal piece that slips over the bottom of the skylight.
Nail it to the side edges of the frame or curb of the skylight.
Contractor larry landers demonstrates how to install roofing shingles around skylights.
Cover the bottom flange with a strip of membrane that extends 6 inches past the skylight s sides.
Cut the extensions at a 45 degree angle out from both corners of the skylight.
Cover the side flanges then the top in the same way.