5 Things That Commonly Damage Commercial Roofs

Commercial rooftops face constant exposure to weather, foot traffic, and environmental elements. Understanding what most commonly damages these systems is essential for property owners and facility managers who want to extend the lifespan of their roofing investment. Below are five key factors that often lead to commercial roof deterioration.

1. Extreme Weather Conditions

Coastal regions often experience a variety of harsh weather patterns throughout the year. Heavy snow, strong winds, intense sun, and rapid temperature shifts can stress roofing materials. Freeze and thaw cycles are especially damaging. When water seeps into small openings and freezes, it expands and widens cracks, eventually causing significant structural concerns if left unaddressed.

2. Poor Drainage

Poor drainage is one of the leading causes of commercial roof problems. Clogged drains, debris buildup, improper slopes, or neglected maintenance can cause water to pool on the roof. Standing water adds unnecessary weight, accelerates material deterioration, and increases the likelihood of leaks, mold development, and interior damage. Ensuring proper drainage is crucial for long term roof performance.

3. Debris and Vegetation

Branches, leaves, dirt, and organic material often accumulate on commercial roofs, especially those near trees or landscaped areas. While debris might seem harmless, it can trap moisture and clog drainage paths. Over time, vegetation can take root in accumulated debris, and roots can compromise the membrane, seams, and other roofing components. Regular surface cleaning helps prevent material breakdown.

4. UV Radiation and Thermal Cycling

Commercial roofs are exposed to direct sunlight for extended hours each day. UV radiation causes roofing materials to dry out, fade, and weaken. Combined with thermal cycling as temperatures rise and fall, roofing components expand and contract repeatedly. This process leads to cracks, seam separation, and gradual degradation that reduces the roof’s ability to resist water.

5. Mechanical Damage

HVAC systems, vents, satellite equipment, and service personnel often access commercial roofs. Without proper protective pathways or careful handling, foot traffic and tool use can puncture or scratch roofing membranes. Even small punctures become entry points for water. Ensuring that contractors follow safe rooftop practices helps preserve the roof’s integrity.

Contact A1 Roofing and Construction for Commercial Roof Care

Protecting a commercial roofing system requires proactive maintenance, regular inspections, and quick repairs when damage appears. A1 Roofing and Construction proudly serves Newport, RI, and is ready to assist with inspections, repairs, and routine maintenance to keep your commercial roof performing at its best. Call us at 401-265-1019 or fill out our online form to schedule service today.