Self-cleaning glass keeps your rooflights clear with minimal effort, using nature’s own elements to do the work. A special surface coating reacts with sunlight to break down everyday dirt, dust, and organic residues. Then, when it rains, water spreads evenly across the glass in a smooth sheeting action, rinsing away loosened grime without leaving streaks or spots. This dual-action process means your rooflights stay cleaner for longer—especially in hard-to-reach areas like lofts, extensions, or stairwells