by TeamFFE

November 28, 2023

The Effects of Heat on Your Roof: How Different Materials Cope in St. Louis and Ballwin

The summer heat in St. Louis and Ballwin can be relentless, and it’s not just the residents who feel the brunt of it – your roof does too. Understanding how heat affects various roofing materials is crucial for homeowners in these areas. This comprehensive guide explores the impact of heat on different roofing materials and offers insights on how to protect your roof from the scorching St. Louis summers.

Impact of Heat on Common Roofing Materials

Asphalt Shingles

  • Heat Susceptibility: Asphalt shingles are widely used in St. Louis due to their affordability and versatility. However, they are susceptible to heat damage. High temperatures can cause them to become brittle and crack, leading to leaks.
  • Expansion and Contraction: These shingles expand in heat and contract in cold. This continuous cycle can weaken their structure, causing curling and warping.
  • Color Factor: Dark-colored asphalt shingles absorb more heat, which can accelerate damage and increase cooling costs.

Metal Roofing

  • Reflectivity: Metal roofs are excellent in reflecting sunlight, making them a popular choice in hot climates. Their reflective nature helps in keeping homes cooler.
  • Durability: Metal roofing withstands heat well, maintaining structural integrity without warping or cracking.
  • Energy Efficiency: Light-colored metal roofs can significantly reduce energy costs in St. Louis homes by reflecting heat away.

Tile Roofing

  • Heat Resistance: Tiles, especially clay and concrete, are highly heat resistant. They don’t absorb as much heat as asphalt shingles, making them ideal for St. Louis’s hot summers.
  • Air Circulation: Tile roofs allow for better air circulation under the tiles, which helps in cooling the roof structure.
  • Longevity: Tiles have a long lifespan and maintain their integrity even under high temperatures.

Wood Shingles

  • Heat and Drying: Wood shingles can dry out and become brittle in excessive heat, leading to cracks and splits.
  • Insulation: Wood has natural insulating properties, but without proper maintenance, heat can deteriorate these shingles over time.

Heat Mitigation Strategies

  1. Proper Ventilation: Ensure your attic is well-ventilated. This helps in reducing heat build-up under the roof, which can affect the roofing material adversely.
  2. Regular Inspections: In Ballwin and St. Louis, routine roof inspections are necessary to identify and address heat-related damages early.
  3. Radiant Barriers: Installing radiant barriers can help reflect heat away, particularly useful for asphalt shingle roofs.
  4. Cool Roof Technology: Using cool roof coatings can lower roof surface temperature and reduce heat absorption.


The relentless summer heat in St. Louis and Ballwin can take a toll on various roofing materials. Homeowners should be aware of how their specific roofing material reacts to high temperatures and take appropriate measures to mitigate the effects. Regular maintenance and considering energy-efficient options can extend the lifespan of your roof while ensuring your home remains comfortable during the hot summer months.

For residents in St. Louis and Ballwin, understanding these dynamics and choosing the right materials and preventive strategies is key to a long-lasting, efficient roof. Remember, the right roofing choice and care can lead to significant savings in repair and energy costs.

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