Curtain Walling Survey

Independent inspection of curtain walling systems to assess the installed condition against approved design information, project specifications and manufacturer requirements, identifying defects, installation issues and potential non-conformances.

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When You Need a Curtain Walling Survey

A curtain walling survey may be appropriate for:

  • Practical completion or handover inspections
  • Verification of installation quality on new-build or refurbishment projects
  • Investigating water ingress, condensation, thermal or visible façade defects
  • Reviewing workmanship during a defects liability or warranty period
  • Resolving concerns about installation, specification or system performance
  • Independent evidence for a contractual or construction dispute

Curtain Walling Survey Scope & Methodology

The survey is tailored to the curtain walling system and available project information and may include:

  • Review of approved drawings, specifications and manufacturer information
  • Inspection of mullions, transoms, brackets, fixings, gaskets, seals and interfaces
  • Assessment of installation details against the approved design and manufacturer requirements
  • Identification of missing, damaged or incorrectly installed components
  • Review of interfaces with adjacent façade, roof and building elements
  • Identification of areas requiring further investigation or performance testing
  • Thermographic, air or water testing where specifically required

Deliverable

  • Curtain walling survey report
  • Assessment of installed condition against the available design and manufacturer information
  • Schedule of defects and potential non-conformances with location references
  • Photographic evidence and annotated drawings where appropriate
  • Recommendations for remedial works, further investigation or performance testing

Process & Timeline

  1. Initial scoping — confirm the curtain walling system, project requirements and available information
  2. Document review — examine drawings, specifications and manufacturer guidance
  3. Site inspection — inspect the installed curtain walling and relevant interfaces
  4. Further testing — undertake testing where required and specifically scoped
  5. Reporting — issue findings and recommendations with a defect/non-conformance schedule

The scope and timescale will depend on the size and complexity of the installation, access requirements and level of investigation required.

Standards and Competence

  • Relevant CWCT guidance and standards for curtain walling and building envelope systems
  • Applicable project specifications and manufacturer installation requirements
  • Relevant British and European standards where applicable
  • Testing undertaken to appropriate CWCT methodologies where included within the scope
  • Assessment undertaken by façade professionals experienced in curtain walling systems

Who Commissions a Curtain Walling Survey

Curtain walling surveys are commissioned by organisations responsible for the construction, ownership or management of buildings, including:

  • Developers and main contractors
  • Building owners and landlords
  • Property managers and managing agents
  • Facilities and asset managers
  • Housing associations and social landlords
  • Employers and project management teams
  • Other organisations requiring independent verification of curtain walling

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FAQS

The survey examines the installed curtain walling system, including mullions, transoms, fixings, gaskets, sealants and relevant interfaces, and compares the installation with available design and manufacturer information.

Yes. The survey can identify visible installation defects, missing or incorrect components, damaged elements and other issues that may affect the performance or compliance of the installed system.

Yes. Where appropriate, findings can be documented against the approved design, project specification and manufacturer information to provide clear technical evidence. Legal liability remains a matter for the relevant contractual and legal parties.

Not as standard. The core service is inspection and verification of the installed system. Air permeability, water penetration, thermal or structural testing can be added where required.