A well-maintained roof is critical for any commercial property. It not only protects the building from weather damage but also helps to maintain energy efficiency, support daily operations, and preserve the safety of staff and customers. However, commercial roofs face a range of challenges due to their size, structure and exposure to the elements. At Borrowash Roofing Repairs, we assist businesses across Borrowash, Derbyshire with expert solutions to common commercial roofing problems.
Here are the most frequent issues affecting commercial roofs — and how to deal with them effectively.
Ponding Water
Flat or low-slope commercial roofs are especially prone to ponding water, where rainwater fails to drain properly and pools on the surface. If left untreated, this can lead to roof membrane deterioration and eventual leaks.
Causes:
- Blocked drainage systems
- Poor roof slope or sagging areas
- Ageing or compressed insulation beneath the membrane
Solutions:
- Inspect and clear all drains and guttering
- Re-slope affected areas using tapered insulation
- Consider installing additional drainage points
At Borrowash Roofing Repairs, we ensure that commercial roofs are properly contoured and free-draining to prevent ponding in the future.
Roof Leaks and Water Ingress
Leaks are one of the most disruptive and damaging commercial roof issues. Even small breaches can allow water into the building, damaging interiors, equipment, and stock.
Common leak sources:
- Cracks in the roof membrane or surface
- Damaged flashing around vents, skylights or HVAC units
- Faulty or poorly sealed seams
Solutions:
- Prompt identification using professional leak tracing
- Seam sealing or patching with compatible roofing materials
- Full replacement of damaged flashing or roof sections if needed
Regular inspections help detect early signs of wear before leaks appear.
Blistering and Membrane Damage
Blistering occurs when moisture or air becomes trapped beneath the surface of a roof membrane, causing raised bubbles. Over time, these blisters can burst and leave the roof vulnerable to water ingress.
Contributing factors:
- Inadequate ventilation
- Poor installation of membrane layers
- UV exposure causing material fatigue
Solutions:
- Cut and reseal small blisters with proper roofing adhesive
- Replace affected sections of the membrane for larger areas
- Improve roof ventilation where possible
Borrowash Roofing Repairs uses quality materials and careful techniques to repair or replace damaged sections without compromising the rest of the roof.
Damaged or Deteriorated Flashing
Flashing is used to seal roof joints and transitions, particularly around walls, parapets, and rooftop units. If flashing is cracked, rusted or pulled away, it can become a major entry point for water.
Signs of flashing failure:
- Rust marks on exterior walls
- Water stains on internal ceilings
- Gaps where flashing meets adjoining surfaces
Solutions:
- Replace old or defective flashing with new lead, zinc or EPDM options
- Reseal all joints and edges to maintain watertight protection
Flashing repairs are one of the most cost-effective ways to prevent widespread water damage on commercial roofs.
Poor Insulation and Heat Loss
Commercial roofs that lack adequate insulation can cause heat to escape in winter and allow excessive heat gain in summer. This can lead to higher energy bills and uncomfortable working conditions.
Contributing issues:
- Outdated or compressed insulation
- Gaps around service penetrations
- Roof deck movement causing cracks
Solutions:
- Upgrade to modern insulation with higher thermal performance
- Install vapour control layers to manage condensation
- Seal all gaps and joints around penetrations
An energy-efficient roof helps businesses reduce running costs and meet building performance standards.
Conclusion
A proactive approach to commercial roof maintenance can prevent small issues from becoming expensive repairs. By understanding the most common problems — and knowing how to respond — business owners can protect their premises, staff and bottom line.
If your commercial property in Borrowash, Derbyshire is showing signs of roof damage or ageing, contact Borrowash Roofing Repairs. Our experienced team delivers professional commercial roofing solutions designed to resolve problems quickly and extend the life of your roof. Let us help keep your business protected from the top down.
Call us on: 01332 215 195
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