Stone Consultant
David Ellis is a stone consultant with over 35 years of experience in geomaterials and stone consultancy. He has worked internationally as a stone consultant in Europe, the Middle East, Asia, Africa, the USA and South America.
Specialist areas of stone consultant expertise include:
- Specification, selection, testing, interpretation and failure investigation
- Stone consultant in the technical appraisal for internal and external cladding
- Stone consultant in the technical appraisal for internal flooring and external paving
- Expert opinion and stone consultancy concerning long-term durability and in-service performance
- Management of comprehensive UKAS-accredited testing performed in-house to national and international standards in support of stone consultancy services
Building Conservation
Graham Lee is an experienced Architect with specialist knowledge of building contracts, Architectural appointments, professional obligations and liability. His expert witness work has involved him in oral evidence to Family and Coroners Court as well as all types of mediation and other pre-court processes.
Specialist areas of expertise include:
- Chartered Member of the Royal Institute of British Architects.
- Over 25 years of experience in commercial Architectural Practice
- Building failure investigations, on-site testing, technical report writing
- Expert Witness
- Contract and Professional liability investigations
- Stone Federation Great Britain Lecturer, Technical Committee member, Awards Judge
Concrete Consultant
Julie Dell has worked in the construction industry for more than 20 years in both consultancy and contracting environments, developing a thorough understanding of the design and construction of buildings and structures.
She has investigated failures and defects and acted as an Expert Witness in cases associated with concrete and structures, including:
- Cementitious materials, in particular, floor screeds and reinforced concrete
- Precast concrete, glass fibre reinforced concrete (GRC) and cast stone
Cement Consultant
Gavin Mayers is a cement consultant with over 25 years of experience in chemical analysis and has worked extensively on new build and historic structures as a cement consultant.
Specialist areas of cement consultant expertise include:
- Specification
- Analysis
- Interpretation
Facade Consultant
John Glen is a facade consultant with over 20 years of experience in facades and materials and has worked internationally as a facade consultant in Europe.
Specialist areas of facade consultant expertise include:
- Specification
- Testing
- Interpretation
- Failure investigation
Glass Consultant
John Glen is a glass consultant with over 20 years of experience and has worked internationally as a glass consultant in Europe.
Specialist areas of glass consultant expertise include:
- Specification
- Testing
- Interpretation
- Failure investigation
Hygrothermal Analysis
At Sandberg, we have a dedicated multidisciplinary team specialised in hygrothermal software analysis. The analysis is used to assess the condensation risk of proposed designs and to investigate damage caused by condensation on existing structures.
Specialist areas of hygrothermal analysis expertise include:
- Thermal assessment of curtain wall and window systems (U-value calculations)
- Thermal assessment of wall assemblies (U-value calculations)
- Surface and interstitial condensation risk analysis (static – Glaser method – and dynamic hygrothermal modelling)
- Software applications: Therm, Mould, Wufi, BuildDesk
Materials Consultant
Graham Lee is a materials consultant with over 10 years of experience and has worked extensively on new builds and existing structures as a materials consultant.
Specialist areas of materials consultant expertise include:
- Specification
- Testing
- Interpretation
- Failure investigation
Metallurgy Consultant
Simon Clarke is a metallurgical consultant with over 30 years of experience covering materials and component investigations both in the UK and internationally, including in Europe, Asia, the Middle East, Africa, and Australia.
Specialist areas of metallurgy consultant expertise include:
- Specification, selection, testing, interpretation and failure investigations. Much of the investigation work is for some form of dispute resolution or litigation for both civil and criminal cases, including cases for the High Court and Old Bailey
- Specialist experience with historic materials and structures, including Eros and Forth Rail Bridge
Water Ingress and Condensation
Jason Irwin is a leak investigation consultant with a trade background career spanning over 30 years with a history of Historic building refurbishment and super-prime residential basements providing construction defect investigation.
Specialist areas of water ingress and construction defects include:
- Inspections and intrusive investigations
- Moisture detection and diagnosis (Electric, dye and trace testing, moisture mapping, thermography)
- Water testing
- Temperature and relative humidity monitoring
- Structural, bonded and cavity waterproofing design
