Flat roofs on schools, hospitals, warehouses and apartment blocks work hard in the UK climate. They sit under standing water in winter, bake under solar gain in summer and often carry plant, PV arrays or access decks all year round, so when these roofs start to leak, the visible drip inside the building is usually the last stage of a much longer process of water ingress and hidden damage.
Trapped moisture inside a flat roof build-up causes several problems at once. Wet insulation loses a large part of its thermal performance, so heating bills rise and U-values that were compliant at design stage may no longer meet the intent of BS 6229:2018 and Building Regulations. Wet timber or RAAC decks can deteriorate in ways that are difficult to spot from inside the building, increasing structural risk, while corrosion develops on steel decks and fixings. Persistent dampness also raises the risk of mould growth and indoor air quality issues, particularly in schools and healthcare settings where occupants may already be vulnerable.
Moisture mapping sits within a wider flat roof investigation process, rather than replacing it. A competent survey will normally include desktop research, visual inspection, basic non-destructive testing and selective core sampling, and moisture mapping takes that further by providing a structured, roof-wide picture of where water has accumulated and where the build-up remains dry. Used properly, it allows clients and designers to target strip-out and repairs instead of guessing or replacing everything by default.
This guide explains what moisture mapping is, where it fits in UK practice and how it is carried out on real projects. The aim is to give facilities and estates managers, surveyors and asset owners enough understanding to commission the right level of investigation, interpret reports sensibly and connect moisture data to refurbishment decisions.
What Is Flat Roof Moisture Mapping?
Flat roof moisture mapping is the structured process of testing a roof build-up for hidden moisture at many points across its surface, then plotting those readings on a plan so you can see where the roof is wet, where it is dry and where it is uncertain. Instead of relying on a few isolated checks, the survey creates a coherent moisture picture across the whole area.
Moisture checks vs systematic mapping
Many roofs receive only basic moisture checks. A surveyor might press a hand-held capacitance meter against the surface in a few suspect areas, or cut one or two cores to see whether the insulation is wet, which can confirm a problem in a localised spot but tells you very little about the rest of the roof. You do not know whether the leak is confined to that area, whether there are multiple unrelated defects, or whether much of the insulation is still serviceable.
Systematic moisture mapping takes a different approach. The roof is divided into a grid, typically 1–3 metres apart, and readings are taken at each node using one or more non-destructive methods such as capacitance or nuclear gauges, often supported by thermographic imaging; these readings are logged, referenced to the grid and then interpreted against known “dry” baselines and core samples. The outcome is a moisture “heat map” that shows patterns across the roof area, for example a wet band along a gutter, saturated zones around rooflights or a dry central area with isolated wet patches at penetrations, and this supports evidence-based decisions instead of guesswork.
The role of moisture mapping in the diagnostic process
Moisture mapping does not replace visual inspection, core sampling or structural appraisal; instead, it knits these strands together. Visual inspection identifies obvious defects, drainage issues and detailing problems, while moisture mapping reveals the invisible consequences inside the build-up and selective core samples validate readings and allow laboratory tests where required. Where RAAC or suspect decks are present, structural engineers may use the moisture map to prioritise intrusive openings in higher-risk zones, making best use of limited access opportunities.
In short, moisture mapping is most useful when you need to move from “we know we have leaks somewhere” to “we know which parts of the roof are salvageable and which are not” and to do so in a way that can be documented and justified.
Common Flat Roof Constructions and Moisture Behaviour
Flat roofs are built in several different configurations, and each type handles moisture differently. Understanding how common constructions respond to water helps surveyors choose suitable diagnostic methods and interpret moisture mapping results more accurately.
Warm roofs
Warm roofs are now the dominant form of flat roof construction in the UK for heated buildings. The waterproofing sits above the insulation, which in turn sits above the structural deck, with a vapour control layer immediately above the deck, and BS 6229 and BS 5250 both emphasise good control of condensation and continuity of insulation for this arrangement.
When the waterproofing or detailing fails, water can track laterally through the insulation layer, particularly in fibre-based or board systems with joints, and moisture tends to accumulate at low points, along falls and around penetrations. Capacitance meters and nuclear gauges usually perform well on warm roofs with accessible membrane surfaces because the insulation is close to the surface and there is a relatively clear path for signals into the build-up.
Inverted roofs
In inverted roofs, the waterproofing is laid directly on the structural deck, and the insulation sits above it, often under ballast or paving, so moisture can sit within or below the ballast, within the insulation or at the membrane level. Distinguishing between water in the ballast and genuine ingress to the deck is more complex, and BS 6229 notes that inverted roofs require careful allowance for water flow through the insulation and any water flow-reducing layers.
Moisture mapping on inverted roofs is generally more challenging. Capacitance meters struggle on heavy surfacing, nuclear gauges may detect moisture in the ballast rather than in the structure, and thermography can help where areas over saturated insulation cool or warm at a different rate but the results need cautious interpretation and good understanding of the build-up.
Cold or hybrid roofs
Cold roofs, where the insulation sits below the structural deck with a ventilated void, are now strongly discouraged in new work because of the difficulty of controlling condensation and ensuring adequate ventilation. BS 5250:2021 specifically warns against cold flat roofs with large voids, and the main UK trade bodies treat them as high-risk forms of construction rather than standard practice.
Hybrid roofs, where insulation is split above and below the deck, are recognised in BS 6229 as carrying increased risk of interstitial condensation. In practice these roofs are complex to assess because moisture may be present in the upper layer, lower layer, deck or void, and moisture mapping should therefore be planned in close coordination with core sampling and condensation risk analysis so that abnormal readings can be understood in context rather than misinterpreted.
Typical membranes and decks
Common UK waterproofing types include built-up bituminous felt, mastic asphalt, single ply membranes such as PVC or TPO, cold-applied liquids, hot melt systems and metal sheet roofing, while decks may be concrete, profiled steel, timber or RAAC panels. Each combination responds differently to moisture and to diagnostic tools, and the survey strategy should reflect these differences.
For example, metal decks are particularly vulnerable to corrosion at laps and fixings where moisture becomes trapped, concrete decks and screeds can hold large quantities of water and take longer to dry out, and timber decks may decay and lose strength if persistently wet. RAAC panels are highly sensitive to prolonged water ingress and can deteriorate structurally, something that has been highlighted in many investigations of failing school and hospital roofs, so moisture mapping on these roofs is often combined with cautious intrusive checks and structural engineering input.
A good moisture mapping strategy therefore takes account of these behaviours and chooses instruments and survey patterns that suit the build-up, rather than applying a single method by default.
Survey Methods Used in Moisture Mapping
Different survey methods detect moisture in different ways, and each has its own strengths and limitations. Understanding these techniques helps ensure the right combination is chosen for the roof type, site conditions and level of accuracy needed.
Capacitance or dielectric moisture meters
How they work
Capacitance meters, sometimes called dielectric meters, measure changes in the electrical properties of materials beneath the probe. Water has a much higher dielectric constant than dry insulation or roofing materials, so as moisture content increases, the meter reading rises relative to a “dry” baseline.
Strengths
They are non-destructive and quick to use on accessible membrane surfaces, which makes them useful for warm roofs with relatively thin membranes and insulation just below the surface. They are effective as comparative mapping tools for identifying areas that are “wetter than typical”, the equipment is relatively inexpensive and portable, and results can be gathered at many points in a single visit.
Limitations and pitfalls
Readings are relative rather than absolute, so meters are usually scaled in arbitrary units or simple “dry / medium / wet” bands instead of percentage moisture content. Metal components, foil facings or reinforcement can interfere with readings and very thick membranes or heavy surface finishes reduce penetration depth, while on inverted or ballasted roofs capacitance meters are often unsuitable because the signal does not reach the right layer.
Misuse often occurs when operators treat a capacitance reading as a direct measurement of moisture content, or fail to establish a baseline in known dry areas confirmed by cores. Used correctly, capacitance meters are valuable trend indicators rather than precise gauges and they work best when combined with other methods.
Nuclear moisture probes or gauges
How they work
Nuclear moisture gauges, such as roof-specific neutron probes, use a sealed radioactive source to emit neutrons into the roof build-up. Hydrogen atoms, primarily from water, slow these neutrons down, and detectors within the gauge measure the returned neutron flux, which correlates with the amount of hydrogen present; because water is usually the main hydrogen-bearing material in the roof, higher counts indicate greater moisture content.
Strengths
Nuclear gauges can achieve penetration depths of 200–300 mm, depending on the instrument, and are effective on multi-layer systems, thick insulation and some ballasted roofs where other methods struggle. They are less affected by surface temperature or night-time cooling than thermography and provide repeatable quantitative data suitable for statistical analysis and contour mapping across large areas.
Limitations and pitfalls
The equipment is specialised and expensive, so it is typically used by dedicated diagnostic specialists rather than general roofing contractors. Because gauges contain radioactive sources, their use in the UK is regulated under the Ionising Radiations Regulations 2017 and Environmental Permitting Regulations, which means operators require appropriate training, procedures and radiation protection supervision, along with secure transport and storage arrangements.
Hydrogen from other sources, such as certain insulation materials or entrained moisture in screeds, can influence readings, so interpretation must account for the exact build-up. Access over heavily congested or fragile roofs can also be slow, and common mistakes include failing to calibrate the instrument on known dry and wet cores from the actual roof, using too coarse a grid for complex roofs, or treating minor variations as significant when they fall within normal statistical noise.
Infrared thermographic surveys
How they work
Infrared thermography records the surface temperature of the roof using a thermal imaging camera. Areas above wet insulation often cool and warm at different rates from dry areas because moisture changes the thermal mass and conductivity of the build-up, and under the right conditions this creates visible thermal patterns that suggest underlying moisture.
UK guidance on thermographic surveys, including BS EN ISO 6781-3, sets out expectations for equipment, operator competence and reporting, and these principles apply equally when thermography is used as part of moisture mapping rather than for general building heat loss surveys.
Strengths
Thermography is non-contact and rapid, especially on large unobstructed roofs, and can be carried out from the roof surface or via drone where airspace and safety constraints permit. It is particularly helpful for identifying wet patches around penetrations, laps and thermal bridges, and it provides intuitive visual outputs that clients and stakeholders can understand at a glance when overlaid on roof plans.
Limitations and pitfalls
Thermography is highly dependent on weather and timing. Surveys usually need a clear diurnal temperature cycle, a dry roof surface and minimal wind for meaningful results, while standing water, reflective finishes and heavy coatings can mask or distort thermal patterns, and IR shows temperature differences rather than moisture directly. Other causes, such as shading, thermal bridges or HVAC exhausts, may mimic wet patterns, so misinterpretation is the biggest risk and thermography should be combined with spot moisture readings and cores to distinguish genuine saturation from other thermal effects. Drone surveys add further considerations such as flight permissions, data protection and safe operation around hospitals or schools.
Electrical leak detection and vector mapping
How they work
Electrical leak detection techniques use electrical currents to identify breaches in waterproofing membranes. Low-voltage earth leak detection normally involves wetting the roof surface and applying a small voltage between the membrane surface and an earth reference; current flows towards a defect where water is able to bridge through to the substrate. High-voltage “holiday” testing uses a higher potential and a dry roof surface so that the test probe arcs to earth at points where the membrane is thin or absent. Vector mapping builds on similar principles, creating an electrical field across the roof and tracking current paths to locate leaks and map how water is moving through or under the membrane.
Strengths
These techniques are very good at pinpointing individual defects in otherwise sound membranes, which makes them especially useful on new or relatively young roofs and on some green roof systems where the membrane is concealed. They can locate small punctures, unbonded laps and poorly sealed details that may not be obvious visually, and the results are often immediate and clear, with surveyors able to mark defect locations directly on the roof. On some projects they complement moisture mapping effectively, because once wet zones have been identified, electrical tests can be used to find the specific breach that is feeding them.
Limitations and pitfalls
Electrical techniques are primarily leak location tools rather than moisture mapping tools, so they do not quantify how far moisture has spread within the insulation or deck. Their effectiveness depends on the membrane type, the presence of suitable earthing paths and the ability to wet or dry the surface as required, which can be challenging on heavily ballasted, inverted or complex roofs. Green roofs and systems with multiple conductive layers may need specialist approaches, and standing water, contamination or poor contact can all interfere with results.
A common pitfall is to assume that electrical testing alone can define the repair scope for an ageing roof, when in reality it may only show where the most obvious breaches are. Used without supporting moisture or condition data, it can encourage a “patch and hope” strategy on roofs where insulation or deck condition is already poor, so it is best treated as one tool in a broader diagnostic toolkit rather than a stand-alone solution.
Core Sampling and Test Cuts
How they work
Core sampling involves cutting through the membrane and insulation to remove a small section for inspection and possible lab testing. It exposes each layer, allowing the surveyor to assess moisture, confirm build-ups, examine deck condition and evaluate vapour control performance.
Strengths
Cores provide definitive evidence. They validate the build-up, reveal defects invisible to instruments and calibrate non-destructive readings. Samples can be laboratory-tested for moisture content, compressive strength or structural deterioration, which is especially important when dealing with RAAC, corroding steel decks or decaying timber.
Limitations and pitfalls
Coring is intrusive and must be planned carefully, with agreed locations and reinstatement methods. Poorly chosen cores can invalidate warranties or miss key problem zones. Too few cores leave data unverified; too many cause unnecessary disruption. Sensitive decks such as RAAC require structural oversight. Clear documentation is essential for future reference.
Laboratory Testing of Samples
How they work
Laboratory testing analyses materials removed during coring. Insulation may undergo gravimetric moisture analysis, thermal conductivity checks or compressive strength testing. Deck sections, fixings or reinforcement can be examined for corrosion, carbonation, deterioration or RAAC-related degradation.
Strengths
Lab analysis provides quantifiable, defensible data for borderline decisions where visual inspection is inconclusive. It helps determine whether insulation retains structural or thermal capability and whether deck deterioration poses safety or compliance concerns. This level of certainty is crucial for warranty approval, overlay decisions and capital planning.
Limitations and pitfalls
Lab testing is slower and more expensive than site assessments, and results depend on how representative the samples are. Poor sampling, mislabelling or insufficient documentation can reduce confidence in the findings. Laboratory testing is most valuable when used selectively, focusing on decisions where quantified data genuinely influences the recommended design or refurbishment strategy.
Planning a Moisture Mapping Survey
Once the planning is complete, the survey moves to site. The aim is to collect consistent, well-documented data that can be trusted when design and investment decisions are made, rather than a loose collection of isolated readings.
Pre-survey information gathering
The starting point is a desk-based review of available information. This usually includes as-built drawings, previous survey or contractor reports, leak logs, warranty documents and any records of overlays, plant additions or PV installations. Details of known structural issues, RAAC, asbestos or fragile surfaces are particularly important, because they influence both access and the level of intrusive investigation that is appropriate.
Pulling this material together before visiting site helps the surveyor understand likely build-ups, drainage patterns, movement joints and critical zones. It also avoids wasting time on the roof trying to decipher how areas connect or discovering mid-survey that key spaces cannot be accessed.
Defining scope and level of detail
Not every roof needs the same intensity of investigation. A small, self-contained roof with isolated leaks may only require light-touch mapping, while a large hospital or logistics hub might justify a dense grid and multiple methods. In practice, scope is influenced by size, complexity, risk below, budget, time constraints and how close the roof is to the end of its expected life.
The survey brief should be explicit about what decisions the client is trying to make. If the immediate question is “can we safely overlay this roof”, the survey may focus on establishing wet percentages, deck condition and compatibility with proposed systems. If the question is “should we phase replacement over ten years”, a broader condition and risk picture may be more useful.
Selecting suitable methods or combinations
Once scope is set, the surveyor chooses methods that suit the construction and the decisions required. A straightforward warm roof might be adequately covered with capacitance mapping and selective cores. A multi-layer felt roof on a steel deck could benefit from nuclear mapping and thermography, while a complex hybrid or RAAC-supported roof might need a closer grid, more cores and perhaps laboratory testing of samples.
The key is to design a method mix that plays to each tool’s strengths and recognises its limits, rather than forcing a favourite technology onto every roof. This also helps control costs, because more sophisticated techniques are reserved for roofs where they add genuine value.
Safety, access and operational constraints
Planning must also address safety and logistics. Work at height, fragile surfaces, rooflights, plant zones and public access routes all require control measures. On schools, hospitals and live industrial sites, survey work may need to be phased or scheduled out of hours to avoid operational disruption.
If nuclear gauges or drones are proposed, the surveyor must plan for radiation safety procedures, transport and storage of sources, CAA requirements for flights and any additional site permissions. Agreeing these elements early with estates or health and safety teams avoids last-minute compromises that could weaken the quality of the survey.
On-Site: How Moisture Mapping Is Carried Out
Once the planning is complete, the survey moves to site. The aim is to collect consistent, well-documented data that can be trusted when design and investment decisions are made, rather than a loose collection of isolated readings.
Initial walkover and grid setting-out
The surveyor begins with a walkover to confirm access routes, identify fragile or restricted zones and note visible defects such as ponding, splits, failed laps or poor detailing. Based on this, a survey grid is set out, typically between 1.5 and 3 metres, and referenced to fixed points like rooflights, parapets or structural gridlines.
Each grid point is given an identifier and marked discreetly on the roof. A roof plan, sketch or CAD base is updated so that every reading and core can later be plotted accurately.
Consistent data collection and logging
At each grid point, the chosen instruments are applied in a consistent way. That might mean capacitance readings with the probe held in a standard orientation and contact pressure, or nuclear readings with a fixed count time and probe depth. If thermography is used, images are captured in a pattern that can be related back to the grid and to specific features.
Readings are logged with enough context to make sense later. As a minimum this includes the raw value, any adjusted value, the location reference and comments on surface condition, nearby details or visible defects. Photographs of representative conditions and anomalies are taken throughout so that desk-based interpretation is not relying on memory alone.
Managing environmental conditions
Environmental conditions, particularly for thermography, can make or break the value of a survey. For IR, the team will normally target periods when there is a useful temperature difference between inside and outside, dry roof surfaces and low wind speeds. For capacitance and nuclear readings, standing water, frost or saturated surfacing layers can still influence results and should be recorded.
The surveyor should note recent weather, including heavy rain, prolonged sun or frost, as these can all affect both readings and the way moisture presents within the build-up. Simple notes of conditions at the time of the survey often explain apparent anomalies when the data is later reviewed.
Integrating cores and test cuts
Non-destructive readings are supplemented by core samples or test cuts in carefully selected locations. Likely core positions are identified as the survey progresses, picking up high-reading areas, transition zones between dry and wet, key junctions and representative low-reading areas.
Cores are agreed with the client in advance, both in terms of number and approach to reinstatement. On sensitive decks such as RAAC, or over critical spaces, cores may be smaller and fewer, and taken in coordination with structural engineers. Each core is photographed, described and referenced back to the grid so that its findings can be used to interpret surrounding readings.
Working on sensitive or operationally critical sites
On operational schools, hospitals and major industrial facilities, the practicalities of working safely and discreetly are often as important as the technical method. Noisy work, dust or odours from reinstatement materials may need to be timed around teaching, clinic sessions or production schedules.
Clear communication with the client’s site team about working hours, access routes, exclusion zones and emergency procedures helps prevent misunderstandings. Where drones are used, privacy and safeguarding considerations may exclude certain areas or require flight paths that avoid windows, courtyards or public spaces.
Interpreting and Presenting Moisture Mapping Results
Collecting data is only half the task; the real value lies in making sense of it and turning it into clear, actionable information. Good interpretation links instrument readings, cores and visual observations into a coherent story about how the roof is behaving.
Turning readings into plans and graphics
Once fieldwork is complete, readings are transferred into a format that can be plotted. This might be a spreadsheet that feeds into CAD, GIS or simple drawing software. The surveyor will typically produce colour-coded plans showing different moisture categories and, where enough data points exist, contour or isopleth plots that show how moisture levels change across the roof.
Thermal images may be stitched into mosaics and laid over plans, with annotations explaining key features. Tables that summarise the proportion of the roof in each moisture category and list core locations help clients understand the scale of any problems at a glance.
Using cores to define “dry”, “damp” and “saturated”
Instrument readings are relative. To make them useful, they need to be anchored to what was actually found at core locations. By comparing readings with the physical condition of insulation and decks in those cores, the surveyor can define what constitutes acceptably dry, borderline or saturated for that particular roof.
This calibration then informs how the full data set is categorised. For example, readings similar to cores that contained only trace moisture and sound insulation can be classified as “retain”, while those matching cores where insulation was saturated and decks corroding are classed as “replace”. The logic behind these thresholds should be explained clearly in the report.
Being transparent about uncertainty and limitations
No survey method is perfect, and a good report is explicit about uncertainties. This might include areas that could not be accessed, parts of the roof where surface finishes limited testing, weather conditions that were less than ideal or assumptions about build-ups where intrusive investigation was restricted.
By setting out these limitations openly, the surveyor helps designers and asset owners judge how much weight to place on different parts of the data. It also reduces the risk of later disputes by making it clear what was and was not known at the time.
Recognising common moisture patterns on UK roofs
Certain moisture patterns recur on many UK roofs. These include saturated bands along internal gutters, wet patches around penetrations and upstands, damp zones behind parapets, wet strips beneath failed laps or patch repairs and isolated patches under obsolete plant plinths or rooflights.
On roofs with tapered insulation, moisture often collects at low points in the scheme or along board joints, which can create complex shapes on the moisture map. Recognising these patterns helps distinguish between systemic problems and genuinely isolated defects and supports more nuanced recommendations.
Strengths, Limitations and Common Pitfalls
Moisture mapping is valuable because it reveals where a roof is dry, damp or saturated, helping clients avoid unnecessary replacement and focus investment where it is genuinely needed. When combined with visual inspection and selective cores, it provides a defensible understanding of a roof’s condition that supports both refurbishment design and warranty discussions.
Its limitations usually come from roof type, site conditions or operator experience. Ballasted or inverted roofs, thick screeds and reflective membranes can distort readings, and thermography is highly weather-dependent. Instruments require calibration and correct handling, and results always need anchoring to real core findings. Problems often arise when a single method is used in isolation or when assumptions are applied to complex build-ups.
Used as part of a balanced diagnostic approach, moisture mapping is reliable and insightful. Used without validation or an understanding of the construction, it can mislead. The key is recognising where it adds clarity and where it needs support from intrusive checks or structural assessment.
From Data to Decisions: Using Moisture Maps in Refurbishment Design
Moisture maps help define which areas can be retained, which require local repairs and which need partial or full strip-and-replace. By linking mapped moisture categories with core results and deck condition, designers can set clear boundaries for overlay, insulation replacement or structural investigation, ensuring specifications meet manufacturer and warranty expectations.
Because the data is geographic and quantifiable, it also supports budgeting, phasing and long-term asset planning. It helps avoid broad assumptions, allowing clients to distinguish between immediate high-risk areas and sections that can remain in service for longer. When incorporated into a roof’s technical record, moisture maps form a useful baseline for future inspections and lifecycle decisions.
Practical FAQs and Buyer’s Checklist
Frequently asked questions to cover:
- When to commission moisture mapping
- Intrusiveness
- Costs and timescales
- Weather constraints
- Whether mapping pinpoints leaks
- Survey frequency
- Pre-survey information needed
- How to store results
Buyer’s checklist includes questions on:
- Methods used and suitability
- Surveyor qualifications
- Instrument calibration
- Core sampling approach
- Reporting outputs
- Safety arrangements
- Sample project reports
- Independence of recommendations
Frequently asked questions to cover:
- When to commission moisture mapping
- Intrusiveness
- Costs and timescales
- Weather constraints
- Whether mapping pinpoints leaks
- Survey frequency
- Pre-survey information needed
- How to store results
Buyer’s checklist includes questions on:
- Methods used and suitability
- Surveyor qualifications
- Instrument calibration
- Core sampling approach
- Reporting outputs
- Safety arrangements
- Sample project reports
- Independence of recommendations
Conclusion and Next Steps
Moisture mapping is a powerful diagnostic tool when combined with visual inspection, core sampling and structural assessment. It provides evidence-based clarity that helps clients make confident decisions about repair, overlay or replacement. In a landscape of ageing roofs, tightening standards and concerns about RAAC, early, structured investigation offers far greater long-term value than reactive repairs.
For your own assets, gather existing information, identify roofs with risk or high impact, and commission a proportionate moisture mapping strategy from a competent specialist
Allbase Flat Roofing Services
Allbase provides a full range of flat roofing solutions for commercial, public sector and residential buildings across the UK. Our team works with facilities managers, surveyors and contractors to supply and install liquid-applied roofing systems, along with detailed support for overlays, full replacement and complex refurbishment projects.
We combine technical expertise with clear, practical guidance. Whether you require condition surveys, drone inspections, moisture mapping, specification design, on-site support or a complete roofing installation, we ensure all work is carried out to the highest standards and in line with current regulations, manufacturer requirements and building-specific constraints.
If you are planning a refurbishment, dealing with leaks, preparing for an overlay, or reviewing the long-term strategy for your roofs, our technical team can help you determine the best approach. Get in touch with us today or book a consultation with our technical services team.
Stay connected
Subscribe to receive the latest blog posts and offers from Allbase direct to your inbox.
