Summer brings longer days and warmer temperatures—but it also brings intense storms. For commercial property owners, preparing for seasonal rain is essential to avoid water-related damage. From clogged drains to weakened membranes, even minor issues can become costly if left unchecked.
In this post, we’ll look at practical strategies to protect commercial roofing systems from the effects of heavy rain and stormwater.
The Risks of Summer Storms for Commercial Roofs
Water Intrusion and Structural Damage
Flat or low-slope commercial roofs are especially vulnerable during summer storms. Heavy rainfall can lead to ponding water, clogged drainage systems, and eventual leaks. Over time, this moisture can penetrate insulation, rust metal components, or degrade adhesive bonds.
Water intrusion doesn’t just damage roofing materials—it can impact the building’s interior, affecting operations, equipment, and tenant satisfaction.
Increased Load and Drainage Problems
When drains or scuppers are blocked, water can accumulate quickly, putting added weight on the roofing structure. In severe cases, this can compromise structural integrity and increase the risk of collapse or expensive emergency repairs.
Key Strategies to Prevent Water Damage
1. Conduct Routine Roof Inspections
Routine inspections help identify signs of wear before they develop into problems. After the winter and before summer storms begin, have a professional assess the following:
- Membrane seams and penetrations
- Flashing conditions
- Drain and gutter functionality
- Signs of ponding or soft spots
Early detection of cracks, blisters, or deteriorated sealants can reduce the likelihood of storm-related damage.
2. Clean and Maintain Drainage Systems
One of the most effective ways to protect a roof from rain damage is by keeping water moving. Regularly clear debris from:
- Gutters and downspouts
- Internal drains
- Scuppers and overflow systems
If drainage slows or stops, water can collect in low areas and eventually seep through the roof system. Keeping these paths clear helps reduce water weight and protects the roof’s structural performance.
3. Reinforce Flashing and Sealants
Flashings around roof edges, HVAC units, vents, and other penetrations are common entry points for water. Over time, flashing and sealants can crack or detach, especially in areas exposed to movement or UV exposure.
Check these areas regularly and reseal or reinforce as needed to help resist moisture during storms.
4. Trim Nearby Trees
Overhanging branches can drop leaves or debris that clog drains, or even damage the roof if high winds knock them loose. Trimming trees around your building can minimize this risk and reduce maintenance needs throughout the summer.
Plan Ahead with Preventive Maintenance
Being proactive with inspections and routine upkeep is one of the most reliable ways to reduce water damage risks during storm season. Preventive maintenance helps maintain roof integrity and provides a clearer picture of your system’s current condition.
Partner with NV Roofing to Prepare for Summer Storms
A rain-ready roof starts with preparation. If you’re managing a commercial property, taking steps now can help avoid emergency repairs and disruptions during peak business months.
NV Roofing works with building owners across Northern Virginia to protect roofs before, during, and after the storm season. Our team is equipped to inspect, maintain, and repair commercial roofs with an eye on long-term value and day-to-day performance.
Contact NV Roofing today to schedule a summer inspection and keep your building protected through every storm.