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You’ll know it’s time for a new shed roof if shingles curl or buckle, soft spots sag, or water stains appear inside. Moss or other plant growth on the surface is another red flag that moisture has breached the roofing layers. Replacing the roof quickly stops leaks from spreading, protects stored items, and saves you from costlier structural repairs down the road.

Choosing between a flat and a sloped shed roof comes down to climate, budget, and upkeep. A flat roof is cheaper up front, but still needs a slight pitch for drainage. A sloped roof sheds rain and snow more easily, lasts longer, and often needs less maintenance. Weigh your local weather patterns, the look you want, and how much time you’re willing to spend on upkeep before deciding.

A shed roof’s life span hinges on the material you choose and how well you maintain it. Most standard products last 15 to 30 years, while premium picks like slate or clay tile can protect the structure for 50 to 100 years. Regular inspections, fast fixes, and routine cleaning all help you reach the upper end of those ranges and keep your tools and gear dry year-round.