How to Fix Leaking Industrial Roofs

How to Fix Leaking Industrial Roofs

Maintaining the durability, stability, and general weatherproofing of industrial roofs is a commonly overlooked task at many commercial facilities despite being incredibly important for the safety of the business.

Industrial roofs are exposed to various weather conditions just like any other property. They are equally susceptible to roof leaks and wear over time. These leaks threaten not only the safety of the building but also the valuable company assets and operations housed within it. 

You might even argue that the actual people within the building are at risk, depending on the severity and suddenness of the problem.


The simple fact is that addressing industrial roof repair and leaks effectively will ensure a greater lifespan and functionality of a business’s key assets. If that is something you consider important, you might benefit from reading this short article as we guide you through understanding, identifying, and resolving industrial roof repair and how to stop leaks in a roof. 

By implementing certain solutions and addressing specific issues relating to commercial roof leaks, this guide will help provide comprehensive strategies for industrial roof repair and potentially save your business from spending a small fortune on a whole new roof. 

Before we arrive at those solutions, you first need to ascertain if you actually have a roofing issue in the first place. With that in mind, let’s take a quick look at how to qualify industrial roof repair before tackling how to stop leaks in a roof.

Identifying Leaks in Industrial Roofs

Detecting leaks in industrial roofs is the first step in maintaining the structural integrity of commercial roofs. Early identification of these issues not only prevents extensive damage but also reduces repair costs. 

There are a few important indicators that facility managers and maintenance teams should be aware of to spot roof leaks, all of which are worth exercising habitually.

Arguably the most common sign is the presence of stains on ceilings or walls. These discolourations often indicate prolonged exposure to moisture and are frequently observed in areas directly beneath roof leaks.

In addition to visual clues, unusual odours within the building can signal hidden moisture issues. Persistent dampness encourages mould growth, which not only damages the structure but also poses real health risks to the building occupants.

Another giveaway indicator is the direct observation of water intrusion, such as puddles on the floor or dripping water, both of which demand immediate attention as they can lead to terrible damage to both the structure and interior contents of the building. 

Finally, visible damage to the roof – such as cracks, peeling, or wear – should motivate a thorough roof inspection – although drones can be used for a quick inspection if something more comprehensive is not possible. 

Regular assessments using these main indicators are your prerequisites for maintaining a leak-free roof and ensuring the long life of industrial buildings.

Common Causes of Roof Leaks

Roof leaks in industrial settings can stem from various issues, each requiring various degrees of industrial roof repair. Grasping these causes is the first measure you can employ toward how to stop leaks in a roof.


One common issue is gutter-related problems. Designed to channel water away from the building, gutters can have the opposite effect and seep water into the roof when they become clogged or damaged. Regular cleaning and maintenance of gutters are an obvious but essential step to prevent issues like this from developing.

Cracks & Peeling

Age-related wear and tear also play a large part in causing roof leaks. Over time, roofing materials can (and probably will) deteriorate, leading to cracks, peeling, and other forms of damage that allow water to penetrate the building – even more so with older asbestos roofing systems. It is a natural and somewhat relentless degradation process that further demonstrates the need for periodic roof inspections and maintenance.

Roof Lights

Roof lights are another common source of leaks that often come as a surprise to many people. While these features are great for natural lighting, they can become problematic as they age and degrade. They are prone to developing cracks – or their seals may fail – allowing water to enter in each instance. Again, preventative measures are not exactly complicated – the solution is simply Inspecting and maintaining (or even replacing) roof lights periodically.


Lastly, a common cause of roof leaks in metal roofs is cut-edge corrosion. Metal sheets are coated for protection, but the cut edges remain exposed and are liable to rust over time, leading to deterioration and subsequent leaks. To prevent this, regular treatments and protective coatings are necessary for all metal roofs.

It may feel unnecessary to many of you. After all, the notion of occasionally inspecting your commercial roof could seem a little over-cautious and not something you ever imagined asserting into your work priorities. But the fact is, commercial roofs frequently present potentially costly issues. More often than not, actually.

Proactive measures and timely repairs can render serious issues obsolete if you get into the habit of doing so on a regular, scheduled basis.

How to Stop Leaks in a Roof

While basic maintenance might be undertaken with basic DIY knowledge and a ‘hands-on’ attitude, industrial roof repair will require a professional contractor in most cases. 

Fibreglass relining is a common method for creating a waterproof barrier for roofs. This technique involves layering a fibreglass material over the existing structure, providing a renewed and stable surface that resists water penetration, and is especially useful for older roofs.

Delcote GS coatings are another great choice for preventing water ingress, owing to the application of a seamless and flexible layer, which is perfect for sealing cracks and gaps. We find this particular approach most effective in roofs with minor to moderate damage – in addition to being a budget-friendly method for prolonging roof life.

For roof light leaks, the approach varies from case to case based on the extent of damage. Minor roof light leaks often can be resolved by resealing, which involves applying a new sealant to prevent water entry, although in cases where the roof lights are extensively damaged (or just old), replacing them might be a better idea for a secure, watertight seal.

Metal roofs sometimes suffer from cut-edge corrosion, leading to leaks. Treating this problem usually involves the application of specific coatings and roof spraying to the corroded areas, protecting them from further damage and leaks. 

The salient point with all of these solutions lies not just in fixing the issues but in preventing future problems – experienced commercial decorating contractors will treat both cure and future prevention with equal importance.

Advanced Techniques for Industrial Roof Repairs

Commercial cladding with new metal sheeting and adding insulation is usually a good method for improving a roof’s durability and weather resistance: an approach that not only improves the roof’s protective capabilities but also boosts energy efficiency.  For certain projects, like refurbishing empty warehouses, installing insulated Kingspan roofing sheets offers an excellent solution.

Health and Safety Considerations

Working at height on industrial roofs requires strict adherence to health and safety regulations, including (but not limited to) scaffold edge protection and underside netting, especially around rooflight areas, which is crucial to ensure the safety of workers. 

The measures taken by Anglia Decor, for example, not only comply with legal standards but also provide peace of mind for the business in question, ensuring that repair work proceeds without incident.

Bottom Line

We fully understand that for most people, showing diligence and forward-thinking when it comes to the roof of your business is unlikely something you would consider anything even close to a priority. 

However, you can save yourself a small fortune if you just keep an eye on your commercial roof and make sure it is in good shape once in a while. Do that, and the question of how to stop leaks in a roof should never be a concern.

If you do miss a few obvious signs that escalate into something serious, requiring eventual industrial roof repair, we can help. Our team of experts is on standby to remedy your commercial roof leaks and ensure your property stays in excellent condition going forward. 

Questions? Feel free to browse our FAQ section for the most common points related to industrial roof repair, commercial cladding, painting, or resin flooring.

You can also contact Anglia Decor directly for a quick chat or to arrange a free quote anytime.

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