UKAS Water Tightness Testing

Trace Surveys provides UKAS-accredited water tightness testing services for curtain walling, windows, doors, and building facades. Our systematic approach and calibrated equipment ensure compliance with relevant British and European standards, giving you confidence in your building’s weather resistance performance.

Comprehensive Water Tightness Testing

Our methodical testing procedures include:

  • Dynamic Water Testing – Simulating wind-driven rain conditions
  • Hose Testing – Site-specific testing to CWCT standards
  • Diagnostic Testing – Identifying specific failure mechanisms

Standards Compliance

We test to all relevant standards including:

  • BS EN 1027 (Windows and doors)
  • BS EN 13051 (Curtain walling)
  • CWCT Technical Standards
  • AAMA 501.2 (Field testing)
  • Project-specific performance requirements

Why Water Tightness Testing Matters

Effective weatherproofing is critical for:

  • New Construction – Verifying installation quality before handover
  • Existing Buildings – Diagnosing water ingress problems
  • Quality Assurance – Meeting warranty requirements
  • Due Diligence – Pre-purchase building surveys
  • Remedial Works – Confirming repair effectiveness
  • Legal Compliance – Demonstrating fitness for purpose

The Trace Surveys Advantage

Our experienced team combines water tightness testing with our broader building diagnostics expertise:

  • Thermal imaging to track water paths
  • Air permeability testing for complete envelope assessment
  • Defect diagnosis to identify root causes
  • Clear reporting with remedial recommendations

Professional Reporting

Our UKAS-accredited reports provide:

  • Pass/fail results against specified criteria
  • Detailed defect locations with photographs
  • Technical analysis of failure mechanisms
  • Prioritised remediation guidance
  • Certification for compliance purposes

Contact us on 0800 612 0855 to arrange UKAS water tightness testing for your project.