A skylight is installed at a slope of what degrees or greater?

The installation of a skylight at a slope of 15 degrees or greater is important to ensure effective water drainage and prevent leaks. At this slope, rainwater can properly run off the surface of the skylight without pooling, which minimizes the risk of water intrusion. Proper slope is essential in roofing practices, especially with features like skylights that are more susceptible to water penetration if not installed correctly.

In contrast, lower slopes could lead to insufficient drainage, increasing the likelihood of water accumulating and potentially causing damage both to the skylight and the roof beneath it. A slope of 15 degrees strikes a balance, facilitating drainage while still being functional for aesthetic and energy-efficiency considerations. Higher slopes, although beneficial for drainage, may pose challenges in terms of accessibility and installation ease, which is why 15 degrees is generally regarded as the minimum slope for skylight installations.