Sandberg has extensive experience of all elements of the building envelope and many of our staff are nationally recognised specialists in these fields. Our UKAS-accredited laboratory services are extensively used for assessing the performance of facades and facade components. Our services include, but are not limited to:
Specification and Design
- Drafting of specification clauses
- Critical review of specifications
- Specialist specification advice (e.g. stone cladding)
- Materials specification
- Test specification review of design calculations
- Review of detail drawings
- Comment on construction detailing
- Advice on design
- Selection of materials
- Assessment of buildability
- Interfaces
- Durability assessment.
Tender Review
- Assessment of bids
- Feasibility checks
- Supplier assessments
- Review of buildability.
Supplier Audits
- Selection of contractors and suppliers
- Factory visits
- Experience audits
- Quality audits
- Independent quality checks
- Quarry assessments
- Stone supplier assessments
Construction and Testing
- Quality assurance and management
- Site inspectors witnessing off-site fabrication and site construction
- Specification for testing
- Independent witnessing of testing (laboratory and site)
- Provision of UKAS accredited testing services (laboratory and site)
- Certification of testing
- Physical, mechanical and durability testing
- Project and system-specific designed test programmes
- Evaluation of relative moisture/thermal movement under cyclic regime
- Fatigue testing
- Water-tightness
- Hard and soft body impact
- Dye testing
- Fixing tests to evaluate all types of gravity and restraint systems
- Development and undertaking of approval, design and production control testing of materials
We are UKAS accredited to carry out impact testing in accordance with:
- BS EN 14019:2016 – Curtain walling – impact resistance – Performance requirements. This uses the double tyre impactor.
- CWCT Technical Note 76 Impact performance of building envelopes: method for impact testing of cladding panels. This is in accordance with the methods used in BS 8200:1985 Code of Practice for the design of non-loadbearing external vertical enclosures of buildings.
Maintenance
- Asset surveys
- Planned preventative maintenance
- Drafting of maintenance manuals
- Review of maintenance manuals
- Survey for maintenance
- Review of repair methodology and remedial programme specification
- Design, implementation and witnessing of site trials
- Inspection of maintenance quality
Inspection and Survey
- Inspection of facades, cladding and roofing
- Condition surveys (historic and modern buildings)
- Rope access (abseiling)
- Condition monitoring
- Wall tie investigations
- Tiling systems
- Powder coatings
- Thermographic (infra-red) surveys
- Leak detection
- Materials sampling and testing
- Fire, explosion and bomb damage survey
- Cyclic fatigue assessments
Failure Investigation
- Leakage investigation
- Mechanical failure
- Glass and glazing failure
- Stone failure
- Fixing failure
- Corrosion and finishes
- Seals and sealants
- Expert witness services
Conservation
- Historic building surveys
- Investigation and analysis of wrought and cast iron, early steels, mortars, concretes, renders, screeds and natural stone
- Stone replacement and matching
- Cleaning techniques
- Conservation, restoration and repair techniques
For more information, contact our in-house experts:
