How To Install A Skylight On A Flat Roof Video

Drop plumb lines from each corner of the hole to verify that it is in the right spot.

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. This underlayment will direct any water that may get through the metal flashing onto the roofing felt. Watch this video to see how to install this skylight and the various steps to securing the roof window.

Step 4 frame skylight. If necessary frame the light tunnel with 2x6 boards. 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.

Install header joists perpendicular to the existing roof joists at around the skylight hole. Epdm uses contact cement to glue the rubber to the metal. 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.

We had to tear out all of the old flashing. Skyview is our most popular fixed flat roof skylight. Weave the step flashing up the side of the skylight as. Skylights for flat roofs.

That s when the rubber roof gets attached to the flashing with adhesives. When a skylight is installed on a flat roof there will come a time when water is pooling around the curb flashing of the skylight. Proper flashing of a skylight is critical.