Flat Roof Skylight Install

This guide presented by kyal kara from the block demonstrate the basics to installing velux skylights into a pitched metal roof with custom flashing while also providing some useful tips from experienced installers.

Flat roof skylight install.

Skylights aren t right for all roofs. It is critical. Because skylights are installed at the roofline beneath the roof shingles and sheathing the construction of the roof must be able to support the skylight. These new flat roof skylights are fitted in a pvc curb and topped with one of two covers.

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. Epdm uses contact cement to glue the rubber to the metal. The curb flashing of a skylight is what could leak. Skyview is our most popular fixed flat roof skylight.

Skylights and flat roofs. Skylights for flat roofs. Weave the step flashing up the side of the skylight as. When a skylight is installed on a flat roof then the flashing around it should be one solid piece.

Believe it or not your roof doesn t need to have a slope to install a skylight. Install 6 in wide strips of a self sticking waterproof underlayment. With a velux flat roof skylight designed to meet the growing demand for skylights in homes with flat or low pitch roofs you can transform and improve virtually any space with daylight. The attic first your installer will go into the attic to check rafter locations take measurements and mark off where the ceiling and roof holes will go.

The main issue skylights face on flat roofs is rainwater collecting on top. Install from the bottom up lapping each piece on top of the lower one. Designed with flat roofs in. However it is simple to frame a curb mounting that elevates and angles the skylights properly.

Concerns about drainage would urge the cautious homeowner to avoid the idea. Curvetech glass or polycarbonate dome. This underlayment will direct any water that may get through the metal flashing onto the roofing felt. In fact velux has a few options for skylights made specifically for flat roofs.

That s when the rubber roof gets attached to the flashing with adhesives. The project requires knowledge of proper roofing techniques and safety principles. 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. From start to finish it only takes about 90 minutes to install a velux sun tunnel skylight.