Atrium Leak Detection & Repair

Why Atrium Leaks Demand Specialist Attention

Atrium leaks worsen rapidly because overhead glazing is subject to constant hydrostatic pressure from standing water - unlike vertical glazing, there is no gravity drainage path to compensate for a failed seal. Pooling water corrodes aluminium cappings, degrades sealant joints and can eventually compromise the structural integrity of the entire glazing system.

Many general glazing contractors attempt atrium leak repairs from below using mastic guns and generic sealants. This approach almost always fails because it treats the symptom rather than the cause. Our specialist team works directly on the overhead glazing from above, using rope access and MEWPs to reach every joint, seal and drainage channel. We identify the precise failure point using controlled water testing, thermal imaging and systematic joint inspection before carrying out a targeted, permanent repair.

Our Leak Detection Process

We pinpoint the exact source of every atrium leak using controlled water testing, thermal imaging and systematic joint inspection - then provide a fully costed repair proposal. The investigation begins with a comprehensive visual inspection from both above and below, assessing all sealant joints, gaskets, glazing bar cappings, drainage channels and flashings.

For complex or intermittent leaks, we use thermal imaging cameras to detect moisture trapped within the glazing system that is invisible to the naked eye. This non-invasive technique allows us to map the full extent of water penetration and identify secondary failure points that would otherwise be missed. Once the source is confirmed, we provide a detailed report with photographs, a clear diagnosis and a fully costed repair proposal.

Permanent Repair Solutions

Every repair we carry out is designed to be permanent, not a temporary fix. Our solutions include complete strip-and-reseal of affected glazing bar joints using high-performance structural silicone, replacement of failed EPDM gaskets, repair or replacement of corroded aluminium cappings, clearance and re-grading of blocked drainage channels, and installation of additional weathering details where the original design is inadequate.

All sealants and materials are specified to withstand the UV exposure, thermal cycling and standing water conditions unique to overhead glazing applications. We do not use general-purpose construction sealants - every product is selected specifically for its performance in horizontal and low-pitch glazing environments.

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