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Storm damage to a commercial roof can create urgent problems: leaks, lifted sheets, damaged gutters, loose flashings, ponding water, exposed materials and disruption to staff, stock or operations. For facilities managers and building owners, the first priority is safety and temporary protection. The next priority is evidence.
This guide explains what information a commercial property team should gather after suspected storm damage before discussing an insurance claim. It is written for facilities managers, landlords, managing agents, estates teams and business owners responsible for industrial or commercial premises.
The purpose is not to tell you whether a claim will be accepted. That depends on the policy, the insurer, the weather conditions, the condition of the roof and the assessed cause of the damage. The purpose is to help you collect useful roof evidence early, while avoiding unsafe access and avoiding assumptions about what caused the damage.
This guide does not provide insurance advice, legal advice or a guarantee that a claim will be accepted. It does not interpret policy wording, decide whether an event qualifies as a storm or replace the role of an insurer, loss adjuster, surveyor or competent roofing contractor.
It also does not make roof access safe. Severe weather can leave roof sheets, flashings, rooflights, gutters and edge details unstable. If evidence can only be gathered by walking on or near the roof, pause and arrange professional help. A report from commercial roof survey evidence can be more useful and safer than informal photos taken from an unsafe position.
For the website, this guide should sit as a claim-preparation and evidence guide. It should not be positioned as a generic weather damage article, because the site already has related weather protection content.
Pause immediately if roof materials are loose, hanging, cracked, displaced or visibly unstable. Escalate if water is entering near electrical systems, if stock or machinery is at risk, if the building remains open to staff or visitors, or if a damaged section could fall into a public or operational area.
Stop any internal attempt to inspect the roof if the building has fragile rooflights, older fibre-cement sheets, asbestos cement materials, damaged flat roof surfaces, snow loading, ice, high winds or unclear access routes. A post-storm roof can be more hazardous than it looks from the ground.
Escalate to a competent contractor where temporary make-safe work is needed. A quick temporary patch may reduce water ingress, but it should still be recorded clearly so there is a record of what was damaged before temporary repairs were made.
Evidence matters because a commercial roof claim often turns on cause, timing and condition. A storm may damage a well-maintained roof. However, an insurer may also consider whether the damage was linked to wear, poor maintenance, corrosion, blocked gutters, failed seals, defective previous repairs or gradual deterioration.
The Financial Ombudsman Service explains that buildings insurance policies usually cover financial loss caused by storm damage, but the practical question is often whether the damage was caused by a storm. This is why dates, weather evidence, photographs and maintenance records matter.
Good evidence does not need to be complicated. It needs to be clear, dated and consistent. The sooner the evidence is gathered, the easier it is to show what changed after the storm and what condition the roof was in before the event.
Start with the basics. Record the date and time the damage was first noticed, the area affected, who found it and what immediate action was taken. If the problem is a leak, record where water entered, what was below it and whether water appeared during, immediately after or some time after the weather event.
Take photographs from safe locations. Include wide shots that show the area of the building, mid-range photos that show the roof or gutter zone, and close-up photos only where they can be taken safely. Do not climb onto the roof to get better photos if the roof has not been checked.
Record weather information. This can include local weather warnings, wind direction, rainfall, hail, snow, local reports and internal incident logs. The Association of British Insurers notes that insurers may need to understand whether wind or rain intensity met policy criteria.
Record maintenance evidence. This may include previous roof surveys, gutter cleaning records, repair invoices, photos taken before the storm and planned maintenance notes. If the damage relates to gutters, outlets, hoppers or downpipes, commercial gutter repair support may be needed to separate storm impact from existing drainage defects.
If temporary works are carried out, record what was done, when it was done, who authorised it and what condition was seen before the work started. Temporary work should reduce immediate risk but should not remove evidence without photographs or notes.
After safety has been addressed, the facilities manager needs to decide which route applies: emergency make-safe, survey first, maintenance issue, or insurer escalation. These routes can overlap, but the decision framework helps avoid rushed assumptions.
Use this route where there is active water ingress, loose material, risk to people, risk to stock, or business interruption. The immediate aim is to reduce danger and prevent further avoidable damage. Evidence should still be recorded before and during temporary works where this can be done safely.
Use this route where the damage is visible but the cause is unclear. For example, a leak may appear after high winds, but the roof may also have failed seals, blocked outlets, old patches or deteriorated membranes. In these cases, a professional inspection can help record condition and likely cause.
For flat roofs, ponding, membrane splits, failed laps and blocked outlets can complicate the evidence. commercial flat roof inspection support can help identify whether visible damage is consistent with recent weather or longer-term roof condition issues.
Use this route where the evidence suggests the problem may be linked to gradual deterioration, long-term water ingress, blocked drainage, failed previous repairs or a known maintenance issue. This does not mean there is no claim. It means the language used with insurers should be careful and evidence-led.
Use this route where the roof damage is significant, the claim value may be high, business interruption is involved, or the insurer requests inspection, quotations, photographs or supporting information. Keep a clear record of correspondence and do not discard damaged materials without checking what the insurer needs.
First, secure the affected area. Keep staff, visitors and contractors away from unsafe roof zones, leak zones, electrical hazards and loose materials. Mark internal areas affected by water and protect stock or equipment where possible.
Second, record initial evidence. Take safe photographs, note the date and time, list affected rooms, record visible roof issues from ground level if possible, and save any local weather alerts or incident reports. Do not rely only on memory.
Third, arrange a competent inspection where roof condition or cause is uncertain. The inspection should record what can be seen, what areas were not accessible, what temporary works are needed, and what may have contributed to the damage. Avoid asking the contractor to overstate certainty where the evidence is incomplete.
Fourth, gather maintenance records. Include previous roof surveys, planned works, gutter clearance, repair invoices and photos. These records can help show that the roof was being managed before the storm. If maintenance records are weak, record that honestly and improve the process going forward.
Fifth, keep an evidence file. Store photos, inspection notes, weather information, invoices, temporary repair details, emails, insurer correspondence and internal incident logs in one place. This gives the facilities team and insurer a clearer picture.
One common mistake is assuming every leak after bad weather is storm damage. A storm may reveal an existing weakness, such as a failed seal, blocked outlet, deteriorated membrane or old repair. This is why cause should be described carefully.
Another mistake is delaying photographs. Water may dry, damaged items may be moved and temporary repairs may cover evidence. Take safe photos early, including both the roof-related issue and the internal damage.
A third mistake is removing damaged materials without a record. If sheets, flashings, gutter parts or internal materials are removed during emergency works, photograph them first and note where they came from.
A fourth mistake is using unsafe access to gather evidence. No claim evidence is worth a fall from height. Use ground-level photos, drone inspection, scaffolded access or professional inspection where appropriate.
A fifth mistake is failing to record existing roof condition. If the roof has no recent survey, no maintenance record and repeated leaks, insurer questions may be harder to answer. Planned roof management helps both prevention and evidence quality.
The best storm evidence often exists before the storm happens. Regular survey records, repair logs, gutter clearance notes and dated photos can help show the roof was being monitored. They can also help identify weak areas before severe weather exposes them.
For larger sites, planned industrial roof maintenance records should include roof zones, drainage checks, repair dates, photos, contractor notes and any areas recommended for future attention.
Use weather events as review triggers. After high winds, heavy rain, hail, snow or prolonged cold, inspect safely from ground level and check internal risk areas. If there are known weak points, schedule a professional review before the next severe weather period.
For broader prevention guidance, use this claim-evidence page alongside the existing weather-related commercial roof damage guidance. The existing page can support prevention, while this guide focuses on what to record after suspected storm damage.
Start with safety. Keep people away from damaged areas, record what has happened and avoid roof access until the area has been assessed. Gather photographs, weather information, internal damage records, maintenance history and previous roof survey documents.
If the roof condition is uncertain, request a professional inspection before making assumptions about cause. A useful roof report should identify the affected areas, visible damage, access limitations, urgent make-safe needs, likely maintenance issues and whether further investigation is needed.
For industrial and commercial buildings in the North East, contact Industrial Roofing Services (NE) Ltd about storm roof damage with the site address, roof type, affected areas, photographs, date of the weather event, known maintenance history and any insurer information already received.
After suspected storm damage to a commercial roof, safety comes first and evidence comes next. Facilities managers should record the date, weather event, visible damage, internal impact, maintenance history, temporary works and inspection findings.
Insurers may need to understand whether the weather was severe enough, whether the damage is consistent with a storm and whether gradual deterioration contributed. A careful evidence file helps keep the claim discussion clear and reduces reliance on assumptions.
Do not climb onto a damaged roof to gather evidence. Use safe photographs, professional inspection and clear records. The strongest approach is to combine immediate make-safe action with calm, dated and practical documentation.
Record the date and time, weather conditions, photographs, internal leaks, visible roof damage, affected rooms, temporary works, previous maintenance records and any roof survey history.
Emergency make-safe work may be needed to reduce danger or further damage. Record the condition before and during temporary works, and check policy or insurer requirements where possible.
Yes. A roof inspection can record visible damage, roof condition, access limitations, urgent works and possible contributing factors. It does not guarantee that a claim will be accepted.
Record the facts clearly. Existing maintenance issues do not automatically decide the outcome, but insurers may consider whether damage was caused by a storm, gradual deterioration or both.
No. Staff should not access a damaged or unverified roof to take photos. Use safe ground-level photos, professional inspection or suitable access arrangements.
A useful report should include affected roof areas, visible defects, photos, access limitations, urgent make-safe needs, possible cause notes, maintenance context and recommendations for repair or further investigation.
