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Leaks in Flat and Low-Slope Roofs: Causes, Warning Signs, and Solutions

Al Kamphaus • February 7, 2025

Flat and Low-Slope Roofs are prone to leaks due to ponding water, membrane wear, and structural movement. Knowing the Causes and Warning Signs can help prevent COSTLY DAMAGE to your Commercial Building.

COMMON CAUSES OF LEAKS IN COMMERCIAL ROOFS:
  • Ponding Water - Flat and Low-Slope Roofs don't naturally shed water like pitched roofs, they are more vulnerable to leaks from ponding water that can accelerate wear and tear.
  • Aging Roofing Materials - Roofing Membranes can crack, shrink, or pull apart at the seams, creating entry points for water.
  • Improperly Sealed Penetrations - Many Commercial Buildings have rooftop HVAC units, and improperly sealed penetrations around these systems are common leak sources.
  • Clogged Drains - Unlike slopped roofs, Flat Roofs rely on drains to remove water. If these drains become clogged with debris, water builds up and increases the potential for leaks.
  • Foot Traffic Damage - Flat roofs are often accessed for HVAC maintenance and other building upkeep. Without designated walk paths, repeated foot traffic can wear down the roofing membrane, causing cracks, punctures, and weakened areas that allow water to seep in over time.
 HOW TO IDENTIFY A LEAK BEFORE IT'S TOO LATE:
  • Water Stains or Dripping inside your building
  • Soft Spots or Bubbling in the roofing membrane
  • Flashing gaps or deterioration around vents, chimneys, and skylights
  • Musty Odors or Mold indoors
 WHY FAST REPAIRS ARE CRITICAL:
  • Prevents costly interior damage to equipment and inventory
  • Reduces the risk of structural issues caused by prolonged water exposure
  • Helps avoid business disruptions and unexpected downtime
  • Extends the life of your commercial roof
Contact Us For a Commercial Roof Inspection or Repair
If your roof is showing signs of wear, don't wait for a major leak. We offer roof inspections to catch small issues before they turn into large, costly problems. Protect your business with our top-tier services! Contact us for to schedule an inspection or repair.
Two workers performing a commercial roof repair in Waverly, NE, using professional tools on a shingl

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Need reliable commercial roof repair in Waverly, NE? Call (402) 890-2343 today for expert repairs that protect your business from damage and costly repairs!
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