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Approved Case Study (Rev04)Verified On-Site Work

Farringdon Project: Concrete Slab & Wall Leak Remediation

Structural joint injection and tie-bolt water ingress repair under dynamic hydrostatic pressure. Targeted S&S Formula chemical injection stopped running water at the slab-wall interface from the internal access side, avoiding external excavation.

Seal Smart specialist operative drilling concrete floor slab during Farringdon remedial injection waterproofing
Main Project Feature • Farringdon Site

Subterranean Floor Slab Joint Remediation

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Project Evidence

Farringdon On-Site Gallery

3 project photos
Slab Fissure Drilling Under Artesian Water Head
Stage 2

Slab Fissure Drilling Under Artesian Water Head

Vertical Core Penetration & Borehole Preparation
Stage 3

Vertical Core Penetration & Borehole Preparation

High-Pressure Injection Probe & Sealant Displacement
Stage 4

High-Pressure Injection Probe & Sealant Displacement

1. The Challenge

Continuous hydrostatic water transmission through subterranean concrete floor slab joints and wall kicker interfaces. High water table pressure caused uncontrolled ponding across the operational sub-base.

2. Investigation

Diagnostic mapping revealed compromised day joints and failed formwork tie-rod seals. Core moisture testing confirmed active water paths running through the concrete matrix under continuous hydraulic head.

3. Solution (Rev04)

Deployment of Seal Smart's S&S Formula system. Low-viscosity Seal Smart High-Performance Rubber Sealant was injected under controlled high pressure via mechanical packers, triggering the targeted waterproofing reaction to seal the water pathways inside the structure.

4. Verified Result

Active water ingress arrested at the slab interface. Internal access-side delivery reduced disruption and eliminated the need for external perimeter excavation, leaving a stable, dry structural slab.

Rapid Engineering Review • UK-Wide Coverage

Request Site Survey for Slab or Retaining Wall Leakage

Discuss your subterranean water ingress challenge with our engineering desk. Rapid UK-wide mobilisation from our Knowsley technical hub.

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Helps our engineers assess ingress points, access height and injection feasibility prior to survey.

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