Winter presents unique challenges for commercial roofing systems. Unlike residential roofs, commercial roofs are often flat or low-slope, making them particularly vulnerable to snow accumulation, freeze-thaw cycles, and other winter weather issues.
Here are the most common commercial roofing challenges in winter and how to address them:
1. Heavy Snow and Ice Accumulation — Flat roofs are designed to handle specific snow loads. Excessive accumulation can stress the structure and lead to leaks or even collapse. Regular snow removal by a professional is essential for commercial properties.
2. Freeze-Thaw Damage — When water seeps into small cracks in your roofing membrane and freezes, it expands, making cracks larger. This cycle repeats throughout winter, causing significant damage over time. A professional inspection before winter can identify and seal these vulnerable areas.
3. Ice Dams on Low-Slope Roofs — Ice dams can form on commercial roofs when snow melts and refreezes at the edges. This blocks drainage and forces water under the roofing membrane. Proper insulation and ventilation are key to preventing ice dams.
4. Wind Damage — Winter storms bring high winds that can lift and tear commercial roofing membranes. Loose seams, flashing, and perimeter edges are particularly vulnerable. Regular maintenance and prompt repairs of any loose areas can prevent wind damage.
5. Ponding Water — Snow and ice that don't drain properly can lead to ponding water, which adds significant weight and can cause your roof membrane to deteriorate. Ensure your drainage system is clear and functional before winter.
6. Emergency Repair Challenges — Finding a roofer for emergency repairs in the middle of winter can be difficult. Establish a relationship with a trusted commercial roofing contractor before you need emergency service.
Helm Construction provides comprehensive commercial roofing maintenance plans that include pre-winter inspections, snow removal services, and 24/7 emergency repair. Protect your business assets — schedule your commercial roof inspection today.
About Helm Construction Company
Helm Construction Company is a GAF Master Elite Certified roofing contractor serving Lancaster, PA and all of South Central Pennsylvania. Founded by Cody Helm in 2020, we specialize in residential and commercial roofing, siding, gutters, and exterior renovations. Call us at (717) 606-4687 for a free estimate.



