How To Install Metal Roofing Around Existing Skylights

This underlayment will direct any water that may get through the metal flashing onto the roofing felt.

How to install metal roofing around existing skylights.

The roofing felt and step flashing helps keep water from leaking around the skylight. Flashing s must be installed from the bottom lowest point to the top highest point of skylight. Install from the bottom up lapping each piece on top of the lower one. Once the metal flashings are ready place the pieces between the roof and skylight above the roof and under the skylight.

Repeat to install the flashing to all sides of the skylight frame. One thing i do suggest if the skylights are 10 years old i suggest replacing them. If the skylights are curbed rather than flush to the roof yes a metal roof can be flashed around them and metal roofing manufacturers should all have instructions for doing so. I had a velux certified installer replace an existing skylight that was cracked.

Then fold the tabs on all sides of the skylight and screw them down. This ensures that the overlap at the seams face downwards. Secure by nailing the flashing to the roof. Even the best skylights have only a 20 year warranty.

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. Install 6 in wide strips of a self sticking waterproof underlayment.