How To Install Skylights On Low Slope Roof

A certified velux installer will be able to help you with the specifics for your project and you can find one near you here.

How to install skylights on low slope roof. If the skylight is installed on a low slope roof the curb should be even taller to allow for 8 inches of flashing. Steeper pitches for skylight installation on flat roof. When using manufacturer produced curbs that aren t tall enough the roofing professional will have to extend the curb. The skylight industry installation guidelines published by aama are organized into two major groupings.

Sunday august 5 2018 the traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run. For instance a low slope usually admits more solar heat in the summer and less in the winter typically the opposite of what homeowners want. The amount of solar heat absorbed into your home is affected by the slope or angle of your skylight. These new flat roof skylights are fitted in a pvc curb and topped with one of two covers.

Some suggest to set the slope around 10 degrees more than the geographical latitude of your home. For roof slopes between 2 12 and 4 12 most skylight manufacturers will not guarantee a waterproof installation unless the skylight angle is raised with a built up curb or a special inclined flashing kit figure 3 22. Learn more about common installation practices for low slope residential applications including why owen corning deckseal roofing system is a preferred choice. Can metal roofing be used on a low slope pitch roof.

Skylight installation on low slope roofs. Curvetech glass or polycarbonate dome. Velux skylights can be installed for roof pitches between 15 and 55 or up to 65 to 90 with the use of special screens depending on the type of roof window. 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.