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.
Fitting velux roof lights.
Depending on the circumstances such as roof pitch interior light shaft depth and shape and weather installations can take between half a day and three days.
The usual skylight size is 450 x 550mm and can be installed in roofs between 15 and 70 degrees from the horizontal.
Roof window fixed into roof.
Several of these tools can be purchased from our sister website roofinglines.
Or read our 12 steps below for help fitting a velux window from roof opening to vapour barrier.
Tape measure pencil ladder hammer screwdriver knife pincers panel saw staple angle grinder safety goggles.
12 steps to fitting a new velux window.
This is a video showing the fitting of a velux roof window with instructions.