Roof Condition Surveys and Diagnostic Testing
Our roof condition and diagnostic services focus on understanding how a roof is performing before any repair or refurbishment work takes place. The combined approach helps identify water ingress, trapped moisture, thermal irregularities, early signs of cut edge corrosion and the general condition of existing materials. Using a mix of ground inspection, aerial imaging and specialist equipment, clients gain a clear understanding of the issues affecting their roof.
Surveys
Roof surveys provide a structured assessment of the roof surface, reviewing membrane condition, detailing, drainage performance and areas where water may be entering the structure. They offer a reliable starting point for maintenance planning and remedial action.
Drone Services
Drone surveys capture high-resolution aerial images of areas that may be difficult or unsafe to access. This method highlights problems such as damaged membranes, standing water and defective detailing, giving clients an efficient overview of the entire roof.
Moisture Mapping
Moisture mapping identifies trapped moisture within the roofing build-up. The technique highlights saturated insulation and areas where water has spread below the surface, allowing clients to decide whether targeted repairs or partial replacement are necessary.
Thermal Imaging
Thermal imaging detects heat loss and temperature variation across the roof, helping to locate insulation defects, moisture presence and other performance issues that may affect energy efficiency.
RAAC Assessment and Structural Risk Surveys
These services focus on identifying the presence and condition of Reinforced Autoclaved Aerated Concrete in buildings. The assessments provide clarity for duty holders and building owners who need to understand structural risks and potential next steps.

Investigations, Sampling and Leak Tracing
These services help diagnose issues that are not visible at the surface level. They provide detailed insights into the roofing system, identifying the true cause of water ingress and revealing hidden problems that impact long-term roof performance. This approach reduces unnecessary repairs and supports informed decision-making.
Core Sampling
Core sampling removes a small section of the roof to examine the build-up, identify moisture levels and assess the condition of insulation and substrates. The results support accurate refurbishment planning and material specification.
Leak Investigation
Leak investigations use controlled testing and targeted inspection methods to trace the source of water ingress. This helps determine whether the issue originates from membrane damage, failed detailing or external building components.
On-Site Analysis
On-site analysis consolidates findings from inspections and sampling to establish the overall condition of the roof. This helps clients understand the steps needed to resolve identified issues and prevent further deterioration.
Roof Maintenance Plans and Condition Management
Our maintenance plans provide a structured and proactive approach to keeping flat and low-slope roofs performing as intended. These services help prevent unexpected failures, reduce long-term repair costs and extend the lifespan of the roof. Regular inspections allow potential issues such as drainage problems, surface wear, early cracks, ponding water, and signs of ageing materials to be identified before they become costly. Each plan is tailored to the roof type, condition and usage of the building, supporting performance throughout the year.
Routine Maintenance Inspections
Routine inspections review the condition of the roof surface, detailing, drainage points and upstands. These visits help identify wear, early signs of deterioration and issues affecting performance, allowing for planned intervention rather than reactive repairs.
Condition Monitoring
Condition monitoring tracks how the roof performs over time, noting changes such as increased ponding, blistering or localised surface breakdown. This helps clients understand developing trends and make informed decisions about repair, refurbishment or further investigation.
Tailored Maintenance Plans
Each plan is customised to the specific roof type and the requirements of the building. This ensures the correct level of inspection, cleaning and monitoring is carried out, helping to maintain performance and reduce the likelihood of avoidable defects.
Technical Reporting and Specification Development
Technical reporting and specification development provide the documentation required to guide refurbishment or replacement works. These services help clients understand the findings of initial inspections, explore suitable materials and define a clear scope of work for contractors, reducing ambiguity and improving project control.
Technical Reports
Technical reports summarise survey outcomes, highlight condition issues and outline recommended solutions. They provide a clear overview of the roof’s condition and support informed decision-making.
Specifications
Specification writing sets out the required materials, preparation steps and installation methods for contractors to follow. This reduces the risk of errors, supports consistent quality and ensures the chosen system is applied correctly.

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