The weakest part of a roof is typically found at its penetration points, junctions, valleys, and flashing details, such as chimney crickets, skylights, vent pipes, and roof edges. These areas involve complex intersections of different building materials where water can easily infiltrate if seals, sealants, or metal flashings degrade over time. Additionally, eaves and overhangs exposed to high winds are structurally vulnerable to wind uplift forces, making routine inspections and proper maintenance of these specific zones critical for preventing costly roof leaks.
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