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There are currently 14 roof replacement contractors serving Chicago, averaging 4 stars across 797 real customer reviews.
Chicago's 39" of annual rainfall creates real conditions for moss and algae growth, especially on north-facing or shaded roof sections — algae-resistant shingles and more frequent inspections are worth considering here. The relatively narrow gap between average lows (44°F) and highs (59°F) in Chicago means less day-to-day thermal cycling stress on roofing materials than in climates with bigger swings. With average lows around 44°F in Chicago, occasional freeze-thaw cycling is possible in colder snaps, though it's not a dominant seasonal concern the way it is in harsher winter climates.
Chicago's temperature range doesn't impose the kind of seasonal sealing or safety constraints seen in more extreme climates, so roofing work can generally be scheduled with more flexibility here than in places with harsher winters or summers.
Algae-resistant architectural shingles or standing seam metal (metal typically lasting 40-70 years in Illinois) tend to outperform standard 3-tab asphalt given Chicago's 39" of annual rainfall, since both shed water well and resist moss/algae growth better.
In Illinois, asphalt shingles typically last 18-25 years; metal roofing lasts 40-70 years; tile roofing lasts 50+ years, though actual lifespan depends heavily on local climate, installation quality, and maintenance.
Chicago averages 39 inches of rain per year, with average temperatures ranging from 44°F to 59°F. Homeowners here should factor local weather patterns into material choice and maintenance timing — a contractor familiar with the area can advise on what performs best given these conditions.
The most common roofing-related insurance claims in Illinois involve Hail, wind, tornado. Document any storm damage with photos promptly and check your policy's specific coverage terms before filing.
Severe thunderstorm and tornado season peaks March-June.