The rooftop portion of the skylight installation includes cutting the hole and fastening the skylight to the roof with the three layers of protection found in velux no leak skylights.
How to install metal roofing around existing skylights.
Secure by nailing the flashing to the roof.
The roofing felt and step flashing helps keep water from leaking around the skylight.
Then fold the tabs on all sides of the skylight and screw them down.
I had a velux certified installer replace an existing skylight that was cracked.
Install from the bottom up lapping each piece on top of the lower one.
Install 6 in wide strips of a self sticking waterproof underlayment.
This underlayment will direct any water that may get through the metal flashing onto the roofing felt.
Even the best skylights have only a 20 year warranty.
Flashing s must be installed from the bottom lowest point to the top highest point of skylight.
If you have to replace shingles around a skylight examine the old flashing.
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.
Contractor larry landers demonstrates how to install roofing shingles around skylights.
This ensures that the overlap at the seams face downwards.
Nail it to the side edges of the frame or curb of the skylight.
The bottom sill will be a u shaped metal piece that slips over the bottom of the skylight.