Flashing s must be installed from the bottom lowest point to the top highest point of skylight.
How to install metal roofing around existing skylights.
One thing i do suggest if the skylights are 10 years old i suggest replacing them.
Repeat to install the flashing to all sides of the skylight frame.
The roofing felt and step flashing helps keep water from leaking around the skylight.
Contractor larry landers demonstrates how to install roofing shingles around skylights.
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.
Install from the bottom up lapping each piece on top of the lower one.
This ensures that the overlap at the seams face downwards.
Even the best skylights have only a 20 year warranty.
Install 6 in wide strips of a self sticking waterproof underlayment.
If you have to replace shingles around a skylight examine the old flashing.
I had a velux certified installer replace an existing skylight that was cracked.
The bottom sill will be a u shaped metal piece that slips over the bottom of the skylight.
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.
This underlayment will direct any water that may get through the metal flashing onto the roofing felt.
Nail it to the side edges of the frame or curb of the skylight.