Water damage can strike any commercial building, from office spaces to warehouses, and the aftermath often goes beyond soggy carpets or warped floors. One of the most insidious consequences is mold growth. Mold can start developing within 24 to 48 hours after water intrusion, and if left unchecked, it can compromise building integrity, trigger health issues for employees, and lead to costly restoration. Understanding how to check for mold after water damage is essential for commercial property owners in Rochester, NY, who want to protect both their property and their workforce.
This guide will explore why mold grows so quickly after water damage, where it commonly hides in commercial buildings, how to spot it early, and when to bring in professional help.
Why Mold Grows Quickly After Water Damage
Mold spores are present in nearly every environment, but they remain dormant until they encounter moisture. Water damage creates the perfect conditions for spores to thrive, especially in commercial buildings where water may go unnoticed in hidden areas. Several factors contribute to rapid mold development:
Porous Materials - Carpets, drywall, ceiling tiles, and insulation are highly absorbent. When they get wet, they hold moisture, giving mold a place to colonize. Even small leaks behind walls or under flooring can lead to significant mold growth if not addressed promptly.
Poor Air Circulation - Many commercial spaces, particularly larger ones, have areas with limited airflow. Poor ventilation slows drying, creating pockets of dampness that encourage mold development.
High Indoor Humidity - Water intrusion combined with high indoor humidity accelerates mold proliferation. Humidity levels above 60% can allow spores to germinate within a day or two.
Preventing mold starts with immediate action. Fast water removal, dehumidification, and thorough drying are crucial to stopping spores from taking hold.
Common Areas to Check for Mold in Commercial Spaces
After water damage, some parts of a commercial building are more prone to mold than others. Regular inspections in these areas help detect problems before they spread:
Ceilings and Walls - Leaks from plumbing, roofs, or burst pipes often create hidden mold behind drywall or ceiling tiles. Inspect for stains, warping, or bubbling paint, which may indicate moisture.
HVAC Systems - Ductwork, air vents, and filters can trap moisture and disperse mold spores throughout the building. Inspect HVAC components regularly, especially after flooding or roof leaks.
Basements and Storage Areas - Damp basements, storage rooms, or areas with boxes and materials stacked directly on the floor provide ideal mold-growing conditions. Even minimal moisture can encourage hidden growth.
Routine inspections of these locations after any water-related incident can help detect mold before it becomes a major problem.
How to Check for Mold After Water Damage
Commercial property owners can take several steps to identify potential mold issues. While some detection methods are visual, others rely on sensory cues or specialized tools:
Look for Discoloration - Mold often appears as black, green, or gray patches on surfaces. Even subtle discoloration or streaks behind walls and ceilings warrants further investigation.
Smell for Musty Odors - A persistent, earthy odor is one of the most reliable indicators of hidden mold. If employees notice strange smells in certain areas, it could point to contamination behind walls or in HVAC systems.
Monitor Air Quality - Spore circulation can cause coughing, sneezing, or irritation among employees. Pay attention to health complaints that arise after water damage.
Use Moisture Meters and Humidity Monitors - These tools help identify areas with elevated moisture that may not be visible. Moisture meters can measure the wetness of walls, ceilings, and floors, while humidity monitors track levels that promote mold growth.
By combining visual inspection, sensory observation, and technological tools, property owners can catch mold early, minimizing damage and health risks.
When to Call a Professional Mold Inspection Team
While basic inspections can identify many issues, certain situations require professional expertise. Commercial property owners should bring in certified mold inspection teams when:
Large-Area Water Damage - Leaks or flooding that affect multiple rooms or floors increase the risk of widespread mold contamination. Professionals have the tools to detect hidden growth and assess structural impact.
Recurrent Odors or Health Complaints - Persistent musty smells, respiratory irritation, or other symptoms may indicate contamination that is not visible. Professionals can perform air testing to locate the source.
Compliance Requirements - Some industries, including healthcare, food service, and education, require certified remediation to meet safety standards. Professional inspection ensures compliance and reduces liability.
ServiceMaster Recovery by Close – Rochester offers full commercial mold inspections, air testing, and professional remediation services. Their team identifies affected areas, removes contamination safely, and restores your facility to a safe, compliant state.
Protect Your Building and Employees from Mold
Knowing how to check for mold after water damage is a critical part of maintaining a safe and efficient commercial building. Early detection not only protects your property from structural damage but also safeguards the health of employees, clients, and visitors. Acting quickly after water damage, through thorough inspection, moisture monitoring, and professional remediation, when necessary, can prevent mold from spreading and reduce costly downtime. Routine checks of ceilings, walls, HVAC systems, basements, and storage areas ensure that hidden mold does not go unnoticed.
Commercial property owners in Rochester, NY, can rely on expert teams like ServiceMaster Recovery by Close for professional mold inspection and remediation. Our trained technicians provide comprehensive solutions to remove mold safely, restore affected areas, and help businesses stay compliant with industry standards.
Don't wait for mold to become a serious problem. Contact ServiceMaster Recovery by Close in Rochester, NY, for a professional inspection and remediation plan after water damage. Protect your business, employees, and investment by addressing mold early and effectively.