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The Impact of Weather on Indiana Roofs

Feb 16, 2024 | Weather

Indiana often has extreme weather fluctuations, from sweltering summers to frigid winters. With such varied weather conditions, it’s crucial for Indiana residents to understand the impact of weather on their roofs. Whether you have an asphalt shingle, metal, or TPO roof, different weather conditions can affect its longevity and performance. By being proactive and understanding the impact of weather on Indiana roofs, homeowners can ensure the longevity and durability of their roofs for years to come.

Impact of Weather on Asphalt Shingle Roofs

Asphalt shingle roofs are a popular choice due to their affordability and aesthetic appeal. However, they have their vulnerabilities when it comes to different weather conditions.

Effects of Rain and Moisture

One of the most common weather challenges for asphalt shingle roofs is the continual onslaught of rain and moisture. When properly installed, asphalt shingles provide excellent protection against water intrusion. Over time, constant exposure to moisture can lead to the deterioration of the shingles. This can cause them to curl, crack, or lose their granular coating, making the roof more susceptible to leaks.

Effects of Snow and Ice

Indiana winters can be harsh, resulting in heavy snowfall and ice. When snow piles up on asphalt shingle roofs, it can cause significant weight stress. This might lead to structural damage if the roof was not designed to bear such loads. Additionally, ice dams can form at the edges of roofs, causing water to back up under shingles and leading to leaks and water damage.

Effects of Hail and Wind

Hail and wind are also major challenges to asphalt shingle roofs. Hailstorms can cause bruises or punctures in shingles, leading to potential leaks. High winds may tear off shingles or lift them, allowing water to seep underneath. Regular inspections after such weather events are vital to assess and repair any damage.

Extreme Temperature Impact

Lastly, extreme temperature changes can have adverse effects on asphalt shingle roofs. In the summer, high temperatures can cause shingles to blister or warp, while freezing temperatures in the winter can make them brittle and prone to cracking. This thermal shock due to rapid temperature changes can reduce the lifespan of the roof. Understanding these impacts of Indiana weather on asphalt shingle roofs can help homeowners take necessary precautions and provide proper maintenance to prolong the life of their roof.

Impact of Weather on Metal Roofs

Metal roofs are gaining popularity in Indiana due to their durability and long life expectancy. However, they also face challenges associated with different weather conditions.

Corrosion and Rust from Moisture

Though most manufacturers treat metal roofs to resist corrosion, excessive and prolonged exposure to moisture can still lead to rusting. This affects the aesthetic appeal of the roof and can weaken its structure, leading to leaks or collapse.

Thermal Expansion and Contraction

Metal roofs are also susceptible to thermal expansion and contraction. Extreme fluctuations in the Indiana weather can cause the metal to expand and contract, which can bend, warp, or crack the material over time. This leads to visible damage and can also compromise the roof’s structural integrity.

Hail and Impact Resistance

Metal roofs are generally more resistant to hail and wind damage than asphalt shingle roofs, but they are not impervious. Large hail can dent or scratch the roof, affecting its aesthetic appeal. Strong winds can loosen the roof’s fastenings, leading to potential leaks or even blow-offs.

Snow Shedding and Ice Damming

Metal roofs are great at shedding snow, reducing the risk of weight-induced structural damage. However, this rapid snow shedding can lead to large snow drifts around the base of the home, which can cause additional concerns. Furthermore, metal roofs are also susceptible to ice damming in the colder months, which can result in water seepage and damage.

Impact of Weather on TPO Roofs

Thermoplastic olefin, or TPO, roofs are more commonly found in commercial buildings and have a high tolerance for harsh weather.

Heat and UV Exposure

TPO roofs are highly resistant to UV radiation and heat, making them an excellent choice for buildings that face long, sunny summers. However, prolonged exposure to intense sunlight can cause the roof to lose some of its flexibility over time.

Resistance to Moisture and Ponding Water

TPO roofs have a high resistance to moisture and are resistant to ponding water, making them less susceptible to leaks. Despite this, regular checks are necessary to avoid ponding water that can lead to bacterial or algae growth.

Hail and Impact Resistance

TPO roofs are resistant to hail and impact, proving to be durable in the face of Indiana’s varied weather. However, severe hailstorms with large hailstones can still cause surface damage.

Flexibility in Extreme Temperatures

One significant advantage of TPO roofs is their flexibility in extreme temperatures. This helps prevent cracking and damage from thermal expansion and contraction, offering a reliable choice in Indiana’s fluctuating climate.

Comparing Weather Effects on Different Roofing Materials

Each roofing material has its own benefits and vulnerabilities against diverse Indiana weather. Asphalt shingle roofs are affordable and aesthetically pleasing but are more prone to weather-induced wear and damage. Metal roofs offer better durability but can suffer from thermal expansion and contraction issues. TPO roofs are exceptionally resistant to most weather extremes but require professional installation and maintenance. Choosing the right roofing material is essential to counter the Indiana weather. This choice, coupled with regular maintenance and inspections after severe weather events, can ensure the longevity and functionality of your roof. Being proactive about your roof’s health will help you save money on repairs and protect your home and your peace of mind.


Weather damaged your roof?

Don’t let weather damage compromise your safety! At Kingdom Roofing Systems, we specialize in shielding your home from the unpredictable. Reach out to us today for a comprehensive inspection and durable roofing solutions that endure through time and weather.

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