Should You Worry About Your Flat Commercial Roof in the Cold Weather? 

As temperatures drop, many business owners and facility managers start to wonder if their flat commercial roofs are prepared to withstand the challenges that come with Michigan’s harsh winters. Flat roofs are common in commercial buildings, but their design can make them vulnerable in cold weather if not properly maintained. Let’s explore what you need to know about your flat roof during the colder months and how you can keep it performing at its best. 

How Cold Weather Impacts Your Flat Roof 

  • Snow Accumulation: Flat roofs, while slightly sloped for drainage, don’t shed snow as efficiently as pitched roofs. The added weight of snow can strain the roof structure, especially if it isn’t designed to handle the load or if snow removal isn’t regularly performed. 
  • Freeze-Thaw Cycle: The freeze-thaw cycle occurs when snow or ice melts during the day and re-freezes at night. Over time, this can lead to cracks, splits, or leaks, particularly around seams, flashing, and edges.
  • Blocked Drainage: When snow and ice block drainage systems, water has nowhere to go once it melts. This can lead to pooling on the roof, a common cause of leaks and water damage in flat roofing systems. 
  • Material Contraction: Extreme cold can cause roofing materials to contract, especially if the roof isn’t well-maintained. This contraction can weaken the seams and joints, leading to splits or tears.

Signs Your Flat Commercial Roof Might Be at Risk 

  • Persistent Ponding Water: After snow melts, lingering puddles indicate poor drainage and could lead to leaks. 
  • Cracks or Splits: Look for visible damage to membranes or seams. 
  • Uneven Insulation: Uneven temperatures inside your building may point to compromised insulation caused by roof issues. 
  • Blocked Gutters and Downspouts: Watch for ice dams or debris buildup that could disrupt drainage. 

Proactive Steps to Protect Your Commercial Roof in Winter

  • Schedule a Pre-Winter Inspection: Having your roof inspected before the cold hits can help identify potential weak points. At Weather Shield Roofing Systems, our expert roof technicians provide a detailed, consultant-grade report to ensure your roof is ready for winter.
  • Clear Snow Promptly: Removing excess snow reduces stress on the roof and minimizes the risk of ice dams forming. Be cautious, though—hiring a professional for this task is recommended for safety and prevention accidental damage to the roof membrane.
  • Maintain Drainage Systems: Ensure gutters, downspouts, and interior drains are clear of debris. Regular cleaning helps prevent blockages that could exacerbate freeze-thaw damage.
  • Consider Roof Maintenance Programs: Weather Shield’s MAX LIFE™ Roof Care program extends your roof’s lifespan with proactive solutions like leak prevention, restoration, and tailored maintenance strategies. 

 

Why Partner with Weather Shield Roofing Systems? 

Michigan winters are unpredictable, but your roofing strategy shouldn’t be. At Weather Shield, we treat your roof as if it were our own. Our team is dedicated to maximizing the life of your current roof while helping you plan and budget for any future replacements. 

With over four decades of experience, we specialize in custom solutions—no cookie-cutter quotes. From free inspections to emergency repairs, we’re your trusted partner in ensuring your commercial roof survives and thrives during winter. 

While winter can be challenging for flat commercial roofs, proactive maintenance and expert support can give you peace of mind. Don’t let the cold weather catch you off guard—schedule an inspection with Weather Shield Roofing Systems today and experience more roof life, less roof cost.