
Roofing in Illinois
Last updated: September 24, 2026
Asphalt Shingle Roof Team provides expert roofing services throughout Illinois, including the expansive Chicago metropolitan area. This region is subjected to a wide array of weather phenomena, including harsh winters with heavy snowfall and ice dams, hot and humid summers prone to thunderstorms, and significant wind events year-round.
Choose your city
Illinois's climate demands a roofing system capable of withstanding extreme temperature fluctuations, from deep freezes that can cause ice damming to humid summers that test the integrity of ventilation systems. Heavy snowfall in winter necessitates shingles with excellent cold-weather performance and underlayment that provides superior ice and water protection. Our installation methods emphasize proper ventilation and robust flashing techniques to mitigate moisture intrusion and structural damage caused by freeze-thaw cycles and heavy precipitation.
Navigating Illinois's building codes, which often include specific requirements for wind uplift resistance and snow load capacity, is a crucial aspect of our service. Municipalities may have their own permitting processes and inspection schedules that must be adhered to. When selecting a roofing provider in Illinois, particularly in the Chicago area, it is essential to seek a company with a proven track record of installing durable asphalt shingles that can endure our varied and often severe weather conditions. Verify their expertise in ice dam prevention and their commitment to using materials that meet stringent regional performance standards.
Common questions
What is the 25% rule for roofing?
The 25% rule in roofing typically addresses the allowable deviation from a true roof plane. If more than 25% of the roof deck exhibits a slope variation exceeding one inch per ten feet, it may require additional structural modifications. This standard ensures a consistent substrate for optimal shingle installation.
What factors influence the cost of a new roof in Illinois?
The cost of a new roof in Illinois is significantly influenced by the total roof area, the specific asphalt shingle product chosen for its durability against harsh winters and summer storms, and the extent of any necessary deck repairs. The complexity of the roof's design and the requirement for enhanced ice dam protection also contribute to the overall investment.
Which company is the best for roofing in Chicago?
The best roofing company in Chicago will possess a comprehensive understanding of the severe weather challenges faced in Illinois, including heavy snow, ice dams, and high winds. They will prioritize the installation of high-performance asphalt shingles and robust underlayment systems, ensuring long-term protection and resilience against the elements.
What is a fair price for a new roof?
A fair price for a new roof is determined by the total square footage to be covered, the quality and specifications of the chosen asphalt shingles and underlayment, and the condition of the existing roof deck. The structural complexity of the roof and the need for specialized weatherproofing measures also factor into the total cost.
When is the cheapest month for roofing in Illinois?
While demand may be lower during the winter months in Illinois, potentially leading to more favorable scheduling, it is generally advisable to address roofing needs as they arise. Prompt repairs are essential to prevent further damage from snow, ice, and wind, irrespective of the season.
What is the average cost to have a new roof installed?
The average cost for a new roof installation depends on the roof's total surface area, the selection of asphalt shingle materials designed for extreme weather, and the condition of the roof deck. Intricate roof designs and the necessity for advanced ice and water shielding will also impact the final expenditure.
Useful reference: NOAA storm data — hail and wind event history.