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Understanding the Risks of Standing Water on Commercial Roofing Systems

Posted on November 18, 2024

Understanding the Risks of Standing Water on Commercial Roofing Systems

Standing water is a common yet overlooked threat to commercial roofing systems. Often, building owners and facility managers may not realize the severity of water ponding on their roofs until significant damage has occurred. This blog post delves into the critical issues associated with standing water on commercial roofs, highlighting both immediate and long-term concerns that can compromise the integrity of roofing structures.

Immediate effects of accumulated water can range from structural damage due to increased weight on the roof deck to accelerated wear and tear of roofing materials. Over time, these issues may lead to leaks, growth of mold and algae, and even roof failure if left unaddressed. Understanding the causes of water pooling on flat roofs, particularly in areas like Denver, is crucial in order to conduct effective maintenance and prevention strategies.

Primary Causes of Water Pooling on Flat Roofs

Water pooling on flat roofs is a significant concern for many commercial properties, particularly those in regions like Denver where heavy rainfall tends to be common. Understanding the primary causes of water accumulation is essential for effective prevention and maintenance. One of the major reasons behind ponding water is architectural design flaws. Flat roofs, due to their lack of slope, do not shed water as efficiently as pitched roofs, which can lead to water retention if the roof is not properly designed with an adequate drainage system.

Lack of proper roof maintenance also plays a critical role in water pooling. Regular maintenance routines and practices such as roof inspections, are crucial to ensure that drainage systems are not blocked and that the roof’s surface remains in good condition to prevent water accumulation. Neglecting these important maintenance tasks can lead to significant water-related damage over time. 

The Structural Impacts of Water Accumulation

Standing water on commercial roofing systems can lead to severe structural issues if it’s not addressed promptly. One of the primary concerns and impacts is the way in which standing water compromises roofing materials. Water that remains stagnant on the roof’s surface can break down the roofing materials over time, especially on flat roofs where water tends to pool more easily. When the roofing materials begin to degrade it can lead to leaks, which worsen the problem by allowing more water to penetrate the roofing structure, potentially reaching the internal components of the building.

Prolonged exposure to standing water can increase the risk of roof collapse as well. This is particularly dangerous in areas with heavy rainfall or snowfall, like Denver, where the additional weight of accumulated water or snow can put a strain on the roof’s structural support. In worst-case scenarios, this can lead to a complete failure of the roofing system, posing serious safety risks to occupants and expensive damage to the property. Property owners should ensure that their roofing systems have adequate drainage and that all components are in good working condition to handle the challenges posed by standing water.

Biological Risks Associated with Standing Water

Standing water on commercial roofing systems can lead to the growth of mold, algae, and bacteria, which creates a host of biological risks. These organisms thrive in moist environments, making stagnant water on roofs a perfect breeding ground. 

Mold and algae that’s accumulated on roofing materials can degrade the quality of the roof over time, leading to expensive repairs and replacements. More critically, the presence of mold can contribute to poor indoor air quality, potentially causing respiratory issues and other health problems for those within the building. In Denver’s variable climate, the issue of water ponding on roofs can be aggravated by sudden weather changes, making regular roof maintenance and proper drainage systems essential.

Implementing effective solutions for standing water is crucial for preventing the growth of harmful organisms on commercial roofs. Regular inspections, timely maintenance, and installing adequate drainage systems are vital practices that help mitigate these biological risks. By addressing the causes of water pooling, property owners can protect their buildings from the damaging effects of mold, algae, and bacteria.

Preventive Measures to Avoid Water Ponding

The importance of regular roof inspections and maintenance cannot be overstated when it comes to preventing water from ponding on commercial roofs. These preventive measures are crucial, especially in cities like Denver, where the weather can greatly influence the condition of the roofing structure. Routine inspections help identify and fix issues that could lead to water accumulation, such as clogged drainage systems or compromised roof membranes.

Technological solutions and design modifications also play a pivotal role in managing the risks associated with standing water. Innovations in roofing materials and drainage designs can significantly improve water flow and prevent the accumulation of water on flat roofs. For instance, installing a tapered insulation system beneath the roofing membrane can create a slight slope, encouraging water to flow toward drainage points rather than pooling.

Solutions for Existing Water Ponding Issues

Addressing the issue of standing water on commercial roofs requires both immediate and long-term strategies. Short-term solutions focus on quickly removing standing water to prevent immediate damage, such as using temporary pumps or squeegees to clear the water that’s pooled on the roof’s surface. These measures are crucial in preventing the immediate risks of water accumulation, which include structural damage and the potential for leaks.

For long-term resilience against ponding water, structural renovations and improvements are essential. One effective long-term solution is the installation of enhanced drainage systems designed specifically for flat roofs, which are a common architectural feature in commercial buildings. Upgrading the roof with slight slopes known as tapered insulation systems can also significantly mitigate this issue by facilitating better water runoff.

Additionally, regular maintenance and inspections are vital to ensure that the drainage systems remain unblocked and efficient. Over time, these proactive measures can save property owners significant costs in repairs and replacements, thereby maintaining the structural integrity and longevity of the commercial roofing system.

What To Do If Your Roof Has Pooling

If you notice your commercial roof has pooling water, it’s crucial to contact a commercial roofing contractor for a thorough inspection and assessment. Pooling water, especially on flat roofs, can lead to severe structural and material damage, like the examples we mentioned above, if not addressed promptly. A professional can help determine the root cause and recommend appropriate solutions to prevent further damage.

Allowing water to accumulate on your roof can lead to significant problems, particularly as winter approaches. Freezing temperatures can cause trapped water to freeze and expand, deepening cracks and other vulnerabilities in the roofing material. This can lead to leaks, increased energy costs, and even roof collapse in severe cases. 

Find Solutions for Existing Ponding Water with Roper Roofing & Solar

Don’t let standing water compromise your commercial roof’s integrity. Contact Roper Roofing & Solar at (720) 475-1065 for a comprehensive inspection and expert assessment. 

Our team specializes in addressing issues with ponding water, offering short-term strategies to remove standing water and prevent immediate damage, as well as long-term roofing solutions and renovations to address chronic water pooling. Act now to avoid potential structural impacts, biological risks, and costly repairs. Trust Roper Roofing & Solar to safeguard your commercial property from the risks of standing water. Your roof’s safety is our priority.