The most common problems associated with skylights include water leaks, indoor condensation, seal failures, and physical damage from severe weather. Water leaks frequently occur due to degraded exterior caulking, aging rubber gaskets, or damaged and improperly installed metal flashing around the base of the skylight curb. Indoor condensation is another extremely common issue, happening when warm, humid indoor air rises and meets the cold glass pane, causing water droplets to form and drip down into the living space—a phenomenon often mistaken for an exterior roof leak. Additionally, seal failure between double-paned glass panes causes internal fogging that obscures natural light, while severe hailstorms and falling tree branches can crack the glass or damage the surrounding frame, necessitating immediate professional attention.
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