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Solar panels are a smart investment for Rockingham homeowners, but the roof penetrations that secure them can become weak points if the flashing fails. Flashing is the thin metal or flexible membrane that seals the gaps where mounting brackets, conduits and roof fixings pass through the roofing material. When it cracks, lifts or corrodes, water can enter the roof cavity, damage insulation and ceilings, and compromise the structure over time. This guide explains how to ident