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GuideYour roof protects everything beneath it, and roof problems have a way of turning into interior water damage if ignored. Knowing the warning signs, and whether you need a repair or a full replacement, saves you from both premature spending and expensive neglect. Here's what to watch for and what roof work involves.
Watch for: missing, cracked, curling or buckling shingles; granules collecting in gutters (asphalt shingles shedding their protective layer); daylight or water stains in the attic; sagging areas; and leaks or ceiling stains inside. Age matters too — most asphalt shingle roofs last around 15–25 years, so an older roof with any of these signs is a candidate for replacement.
A few damaged shingles or a localized leak is often a repair. Consider full replacement when the roof is near end of life, damage is widespread, there are multiple leaks, significant granule loss, or sagging (which can signal structural or deck issues). Patching an old, failing roof repeatedly often just delays an inevitable replacement — weigh the repair against the remaining life.
Asphalt shingles are the most common — affordable, reliable and available in many styles. Metal roofing costs more but lasts much longer and handles snow and weather well. Other options (tile, slate, cedar) suit specific styles and budgets. Your choice balances cost, lifespan, climate and the look you want — a roofer can advise what suits your home and area.

A replacement typically means tearing off the old roofing, inspecting and repairing the deck underneath, installing underlayment and flashing, and laying the new roofing — plus proper ventilation, which is critical for roof lifespan and preventing ice dams and attic moisture. Good flashing around chimneys, vents and valleys is where many leaks start, so workmanship matters.
Roofing is weather-dependent and genuinely dangerous work at height — it's not a DIY job for most homeowners. Replacement is usually done in dry seasons and takes a few days for a typical home. Address roof issues before winter where possible, since roof work in ice and snow is hazardous and water damage compounds in the cold.
Roofing is a big-ticket job where scope and quality vary, so get itemized quotes from multiple vetted, insured roofers, and be wary of storm-chasing high-pressure sales. On Genie you post your roofing project once and receive comparable quotes from verified pros, compare their work and reviews, and keep the scope and warranty-backed work in one place.
Every task in this guide is something you can book on Genie — vetted, insured pros at an upfront or quoted price:
Watch for missing, curling or cracked shingles, granules in gutters, attic daylight or water stains, sagging, and interior leaks — especially on a roof near the end of its life (about 15–25 years for asphalt). Several signs together point to replacement.
A few damaged shingles or a localized leak is often a repair. Replace when the roof is near end of life, damage is widespread, there are multiple leaks, heavy granule loss, or sagging. Repeated patching of an old roof often just delays the inevitable.
For most homeowners, no — it's dangerous work at height where flashing and ventilation determine whether it lasts and stays leak-free. It's a job for vetted, insured roofing pros.