When planning a skylight installation, be sure to take into consideration the sun’s path. Skylights on the South or West facing portion of the roof will collect direct sun. Skylights facing North or East may not get any direct sunlight. Proper installation is absolutely imperative to ensure your skylight is beaming all of it's promised benefits. A poorly installed skylight could become a serious liability and a source of leaks. Skylights need to have proper flashing, caulking and fastening in order to prevent leads.