How To Install A Skylight On A Flat Roof Video

A step by step tutorial of how to replace a skylight on an existing flat roof of asphalt composition.

How to install a skylight on a flat roof video.

Scrape off the roofing material at the skylight site and cut open the roof with a saw. When a skylight is installed on a flat roof then the flashing around it should be one solid piece. It is critical. When flat roof doesn t have good drainage then water could pool around a skylight causing a leak in the weakest part of the roof.

This underlayment will direct any water that may get through the metal flashing onto the roofing felt. Skylights for flat roofs. Weave the step flashing up the side of the skylight as. Epdm uses contact cement to glue the rubber to the metal.

Install from the bottom up lapping each piece on top of the lower one. The curb flashing of a skylight is what could leak. Install header joists perpendicular to the existing roof joists at around the skylight hole. We had to tear out all of the old flashing.

On this project adam was called out to inspect leaks around a skylight. Drop plumb lines from each corner of the hole to verify that it is in the right spot. Install 6 in wide strips of a self sticking waterproof underlayment. That s when the rubber roof gets attached to the flashing with adhesives.

Skyview is our most popular fixed flat roof skylight. Step 4 frame skylight. Watch this video to see how to install this skylight and the various steps to securing the roof window.