Some skylights come with a kit and you don t have to build the aprons and install step fl.
How to flash a skylight on roof.
Step 3 install the metal flashing.
Numbers 1 4 correspond to the 4 photos above.
Properly installing a skylight requires detailed skylight flashing.
Repeat to install the flashing to all sides of the skylight frame.
Demonstrating how to properly flash a skylight.
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.
Custom flashing around a triangle skylight on a metal roof.
Secure by nailing the flashing to the roof.
Drive roofing or flashing nails horizontally into the skylight not vertically into the roof.
Once the metal flashings are ready place the pieces between the roof and skylight above the roof and under the skylight.
Next slip individual pieces of step flashing under the shingles.
4 install bottom step flashing.
Number 5 shows how the final step counterflashing is integral to the skylight and covers the upper edges of the roof flashing.
Custom flashing around a triangle skylight on a metal roof.
Install the bottom flashing a single piece that wraps partway around the skylight and sits on top of the roof shingles figure 3.