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Anchor Installation services from Celtest
Celtest installs and tests a large range of mechanical, chemical, resin and grout-based anchor systems for safe, secure fastenings and structural reinforcement or repair. Anchors are suitable for a range of construction materials, including concrete, soil, and masonry.
Celtest staff are approved installers for several of the world’s leading manufacturers of anchor systems, including:
- Cintec
- Simpson Strong-Tie/Liebig
- Minova Weldgrip Ltd: Geotechnical anchors
- Hilti
- Platipus Anchors
- Helifix
Being an approved installer means we’re trained and experienced in the deployment of these systems. We are also approved by the Construction Fixing Association to test all types of general-purpose anchors and fixings.
You can rest assured there’s an anchor system ideally suited for your project, and that you’re in capable hands for the installation of that system with Celtest.
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Contact Details
Please call us or send an email to discuss your requirements or ask us any questions.
Celtest Ltd Main Office
Phone: (+44) (0)1248 355269 Fax: (+44) (0)1248 351563
Email: .(JavaScript must be enabled to view this email address)
Post: Trefelin, Llandegai Bangor Gwynedd LL57 4LH United Kingdom
Celtest Ltd Laboratory
Phone: (+44) (0)1248 360409 Fax: (+44) (0)1248 355321
Email: .(JavaScript must be enabled to view this email address)
Post: Cyttir Lane Bangor Gwynedd LL57 4DA United Kingdom
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Quality materials testing, diamond core drilling and sawing, and controlled demolition
Formed in 1980, Celtest offers quality materials testing, diamond core drilling and sawing, and controlled demolition services to the construction, quarrying and civil engineering industry. Our experience in quality management, together with our skilled staff, have helped Celtest grow rapidly to become one of the foremost materials testing laboratories in the UK.
Celtest’s North Wales laboratories are exceptionally well equipped for construction materials testing and are accredited by UKAS to ISO/IEC 17025:2005 (General Requirements for the Competence of Testing Laboratories) for the majority of tests performed both at our laboratories and on clients’ sites.
We help support the local communities as the vast majority of our employees live in the area. Here you can download our policy statements on health and safety, quality, and the environment, as well as our UKAS accreditation certificate and testing schedule.
Call Celtest today on +44(0)1248 355 269
Contact Details
Please call us or send an email to discuss your requirements or ask us any questions.
Celtest Ltd Main Office
Phone: (+44) (0)1248 355269 Fax: (+44) (0)1248 351563
Email: .(JavaScript must be enabled to view this email address)
Post: Trefelin, Llandegai Bangor Gwynedd LL57 4LH United Kingdom
Celtest Ltd Laboratory
Phone: (+44) (0)1248 360409 Fax: (+44) (0)1248 355321
Email: .(JavaScript must be enabled to view this email address)
Post: Cyttir Lane Bangor Gwynedd LL57 4DA United Kingdom
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Work With Us


Use Celtest to fill the voids in your own testing service.
Perhaps you have your own testing service but it does not cover all the tests and services you need. Or maybe you are a testing house needing to outsource some work to fulfil your clients’ requirements.
Celtest can work with you seamlessly and confidentially to ensure you’re covered. Whether it’s for materials testing, diamond drilling or sawing, or controlled demolition, we can help.
With a high regard for sustainable working, Celtest has a vast range of modern resources available, and offers a fast turnaround, giving you complete peace of mind.
Call Celtest today on +44(0)1248 355 269
Laboratory materials testing from Celtest
On-site materials testing from Celtest
Including controlled demolition and radiological sites
Implement recognised management systems
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International Clients


Choose Celtest for materials testing – no matter where you are in the world
Celtest has years of experience safely handling and delivering a high-quality testing service to international clients. Worldwide, members of current staff have worked in Europe, the Far East, Africa and the United States.
With our vast range of UKAS-accredited testing services, Celtest can give your materials that vital seal of approval for use in the UK and Europe, and quality recognition in many other countries. Celtest handles the whole process for you, from materials collection and transport, to testing and reporting back, with a fast turnaround.
Call Celtest today on (+44) (0)1248 355 269
Laboratory materials testing from Celtest
On-site materials testing from Celtest
Including controlled demolition and radiological sites
Implement recognised management systems
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Implement recognised management systems with Celtest
Celtest has been developing management systems for many years – not just our own, but for our clients’ too! It’s our job to understand quality, environmental, health and safety and integrated management systems, so who better to help you implement these standards in your own organisation than Celtest?
We’ll work alongside you to help you reach and maintain accredited status for the following:
- BS EN ISO 14001 - Environmental Management Systems
- BS EN ISO 9001 - Quality Management Systems
- BSI OHSAS 18001 - Occupational Health and Safety Management Systems
These standards help future-proof your business, enabling you to better handle changing regulations and expectations from the industry. They also give your organisation a recognised seal of quality, and will raise your standing with your customers and stakeholders. Contact Celtest and we’ll help you improve your management system protocols.
Call Celtest today on +44(0)1248 355 269
Laboratory materials testing from Celtest
On-site materials testing from Celtest
Including controlled demolition and radiological sites
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Diamond drilling & sawing: Cutting, drilling and controlled demolition in radiological areas
Celtest has an experienced team of operatives trained and officially approved to work in radiological areas, such as active nuclear power stations and decommissioning sites.
Services provided include controlled demolition, diamond drilling, concrete cutting and remotely operated equipment. We work in a sustainable way to reduce waste and aim to cause minimum disruption.
Techniques used by Celtest for controlled demolition in radiological areas include:
- Concrete Crunching
- Concrete Bursting
- Diamond Cutting
- Diamond Drilling
With qualified technicians and a range of equipment in house, Celtest offers clients peace of mind with a complete solution from one supplier.
Diamond drilling & sawing: Safe and effective Controlled Demolition from Celtest
Celtest has all the resources needed to carry out controlled demolition. We achieve this with minimal disruption to your project while adhering to all the latest health and safety regulations, as well as best practices in sustainability. Celtest has years of experience carrying out controlled demolition services in construction and civil engineering environments, including radiological areas (hyperlink to radiological page).
Controlled demolition techniques carried out by Celtest include the following:
- Concrete Crunching
- Concrete Bursting
- Diamond Cutting
Celtest’s high-standard service covers the whole of the UK and will help ensure your projects remain on time and within budget.
Diamond drilling & sawing services from Celtest

Let Celtest be your on-site partner for diamond sawing and drilling. Our extensive resources include a range of modern, specialist equipment, vehicles, and highly skilled operatives. We work sustainably and adhere to all health and safety regulations.
A comprehensive service from one supplier makes life easier for you – you need only make one phone call.
Diamond sawing can be used to cut reinforced concrete and asphalt. Celtest’s diamond core drilling has a diameter range from 12mm to 1000mm and can be used for:
- Core samples of concrete, blacktop and rock for analysis
- Service openings and general controlled demolition of concrete, either with single holes or ‘Stitch’ drilling methods
- Under Reaming and/or Anker Bonding
- Holes for mechanical and chemical anchors
- Specialists in decommissioning radiologically controlled sites
Celtest also installs a range of mechanical, resin and grout anchor systems. We are approved installers for Hilti, Liebig, Weldgrip and Cintec. With UK coverage and years of experience, Celtest’s high-standard service will help ensure your projects remain on time and within budget.
Our diamond drilling & sawing services
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Site Testing: Technician secondment and equipment hire

Do you want to conduct your own tests but lack the specialist resources? Celtest provides a comprehensive range of modern, efficient equipment for hire. Trained, technical personnel can be seconded to carry out in-situ or laboratory tests at clients’ premises.
Contact Celtest today and check out our competitive hire rates.
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View our Site Tests
Visit the following pages to get a full lists of tests available.
Site Testing: Pavement testing
Tests marked with a U are UKAS accredited
- Visual Assessment
- Pavement Coring U
- Trail Pit Excavation & Logging
- Skid Testing
- DCP Testing
- Dynamic Plate Testing
- Window Sampling
- Texture Depth Measurement U
- Rut Depth Measurement
- Surface Regularity U
- Core Logging
- ITSM U
- RLAT U
- VRLAT U
- Bulk Density & Voids U
- Recovered Penetration & Softening Point U
- Compressive Strength (cement bound layers) U
- Compositional Analysis U
- Wheel Tracking
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View our Site Tests
Visit the following pages to get a full lists of tests available.
Site Testing: Environmental Monitoring and Testing
- Contamination Analysis
- Vibration Monitoring
- Water Level Monitoring
- Landfill Gas Monitoring
- Noise Monitoring
- Crack Monitoring
- Trial Pit Investigation & Logging
- Water Sampling
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View our Site Tests
Visit the following pages to get a full lists of tests available.
Site Testing: Concrete structure tests
Celtest technicians are fully trained to work in confined spaces. Tests marked with a U are UKAS accredited
- Half-Cell Potential Survey U
- Depth of Cover Survey U
- Visual Defect / Hammer Survey U
- Resistivity U
- Depth of Carbonation U
- Ultra Sonic Pulse Velocity Tests
- Sampling of Dust for Chemical Analysis U
- Post Tensioned Structures Special Inspection
- Test Core Removal U
- Optical / Digital Inspection of Obscure Areas
- Pull-Off Tests
- Rebound Hammer Survey
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View our Site Tests
Visit the following pages to get a full lists of tests available.
Site Testing: Concrete tests
Tests marked with a U are UKAS accredited
- Cube Manufacture of Fresh Concrete U
- Slump Test U
- Spot Sampling of Fresh Concrete U
- Composite Sampling of Fresh Concrete U
- Air Test U
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View our Site Tests
Visit the following pages to get a full lists of tests available.
Site Testing: Bituminous tests
Tests marked with a U are UKAS accredited
- Sampling and Laying Records U
- Temperature of Bituminous Mixtures U
- Texture Depth (Sand Patch Test) U
- Nuclear Density Gauge for Compaction Control U
- Rate of Spread of Pre Coated Chippings
- Surface Irregularity using a Rolling Straight Edge U
- Skid Resistance Value U
- Hydraulic Conductivity
- Coring of Surfacing Layers U
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View our Site Tests
Visit the following pages to get a full lists of tests available.
Site Testing: Soil Tests
Tests marked with a U are UKAS accredited
- Plate Loading Test (Plate Bearing) U
- California Bearing Ratio (CBR)
- Density (Sand Replacement) (SRD) U
- Density (Core Cutters) U
- Shear Strengths (Shear Vane)
- Cone Penetrometer
- CLEGG Hammer
- Resistivity Tests
- Redox Potential
- Percolation / Soakaway Tests
- Nuclear Density Compaction & Moisture Measurement U
- Dynamic Probing
- Window Sampling
- Dynamic Plate Bearing Test (DPBT)
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View our Site Tests
Visit the following pages to get a full lists of tests available.
On-site materials testing from Celtest
Celtest has the skilled technicians, specialist equipment, and its own fleet of vehicles to work at any site in the UK and Ireland. Our technicians take samples, undertake in-situ testing or inspections for all types of construction and civil engineering projects.
We operate a rapid response service and, with a satellite office in Manchester, can be on site within hours. Clients come back to us again and again, thanks to our high quality of service and experience in on-site materials testing.


Call Celtest today on
+44(0)1248 355 269
View our Site Tests
Visit the following pages to get a full lists of tests available.
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Lab Testing: Slate, stone and masonry
- BS EN 12326-2:2000: Compliance testing for discontinuous roofing and cladding
- BS EN 772 Masonry Units:
- Part 1: Compressive Strength
- Part 13: Net and Gross Dry Density
- Part 14: Moisture Movement
- Part 16: Dimensions
- Part 20: Flatness
Natural Stone:
- BS EN 12327: Flexural Strength
- BS EN 13161: Flexural Strength
- BS EN 1341: External Paving
- BS EN 1469: Requirement Slabs for Cladding
- BS EN 1468: Rough Slab
- BS EN 12057/58: Modular Slate Requirements
- BS EN 1925: Water Absorption
- BS EN 1926: Compressive Strength
- BS EN 1936: Real and Apparent Density
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View our Lab Tests
Visit the following pages to get a full lists of tests available.
Lab Testing: Tests > Concrete
Tests marked with a U are UKAS accredited
- Concrete Mix Design
- Compressive Strength of Cubes U
- Compressive Strength of Cores U
- Density Tests U
- Beam Testing
- Flexural Strength
- Chloride Ion Content -Potentiometric Method U
- Chloride Ion Content U
- Chemical Analysis (Cement Content, Sulphate…etc)
- Slump Test U
- Air Content U
- Non-Destructive Testing
- Petrographic Analysis
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View our Lab Tests
Visit the following pages to get a full lists of tests available.
Lab Testing: Bituminous materials
Tests marked with a U are UKAS accredited
- Bitumen Affinity - Part A - U
- Bitumen Affinity - Part B
- Binder Content (By Ignition) & Grading Analysis
- Binder Content (By Difference) & Grading AnalysisU
- Binder Content (Direct) & Grading Analysis U
- Percentage Refusal Density Test (PRD) U
- Hot Sand Test U
- Air Voids Determination U
- Theoretical Maximum Specific Gravity & Density (REISS) U
- Hot applied thermoplastic road materials U
- Binder Recovery U
- Softening point - Ring & Ball Method U
- Needle Penetration Test U
- Bituminous mix design U
- Marshall Mix Designs U
- Wheel Tracking Rate
- Indirect Tensile Stiffness Modulus (NAT) U
- Resistance to Permanent Deformation (RLAT) U
- Vacuum Repeated Load Axial Test (VRLAT) U
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View our Lab Tests
Visit the following pages to get a full lists of tests available.
Lab Testing: Soil
Tests marked with a U are UKAS accredited
- Moisture Content U
- Dry Density / Moisture Relationship U
- Porosity Determination
- Particle Size Distribution U
- Atterberg Limits U
- Linear Shrinkage
- Swelling Test
- Slake Durability
- California Bearing Ratio (CBR) U
- Frost Susceptibility (Frost Heave) U
- Undrained Shear Strength U
- Unconfined Compressive Strength
- Shear Vane Testing
- Shear Box Testing U
- Odometer Consolidation
- Triaxial Permeability Testing U
- Contamination Analysis
- Moisture Condition Value (MCV) U
- Constant Head Permeability
- Falling Head Permeability
- Particle Size Distribution (Pipette Method) U
- Particle Density (Gas Jar) U
- Particle Density (Small Pyknometer) U
- Uniformity Coefficient U
- Sulphate Content (Aqueous) U
- Sulphate Content (Total) U
- Carbonate Content U
- pH Value U
- Chloride Ion Content
- Multi Element Scans
- Total Oxide Analysis
- Organic Matter Content U
- Chemical Analysis (ICRCL) / (CLEA)
- Redox Potential
- Resistivity
- Core Cutter Density U
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View our Lab Tests
Visit the following pages to get a full lists of tests available.
Lab Testing: Aggregates
Tests marked with a U are UKAS accredited
- Acid Solubility U
- Aggregate Impact Value (AIV) U
- Alkali Silica Reaction (Mortar Bar Test)
- Assessment of Fines (Sand Equivalent) U
- Assessment of Fines (Methylene Blue Test) U
- Aggregate Abrasion Value (AAV) U
- Aggregate Crushing Value (ACV) U
- Bond Work Index
- Bulk Density U
- Bulk Density of Filler in Kerosene U
- Calcium Carbonate Equivalent U
- Chemical Analysis
- Cylinder Test
- Drying Shrinkage U
- Effective Angle of Internal Friction U
- Elongation Index
- Flakiness Index U
- Frost Susceptibility (Frost Heave) U
- Los Angeles Coefficient U
- Micro-Deval Coefficient U
- Moisture Content U
- Particle Density & Water Absorption U
- Percentage Crushed & Broken Surfaces U
- Petrographic Analysis
- Particle Size Distribution U
- Point Load Test
- Polished Stone Value (PSV) U
- Resistance to Freezing & Thawing U
- Shape Index U
- Shell Content U
- Slake Durability
- Soundness U vTen Per Cent Fines - Dry U
- Ten Per Cent Fines - Soaked U
- Uniaxial Compressive Strength
- Wet Attrition U
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View our Lab Tests
Visit the following pages to get a full lists of tests available.
Laboratory materials testing from Celtest

Let Celtest be your specialist partner in materials testing. Backed by unrivalled in-house resources, Celtest undertakes a vast range of UKAS-accredited testing for national and international clients. We offer a high standard of service to tight deadlines, and we are always ready to go that extra mile. That’s why Celtest is the testing service of choice for many customers, who come back to us again and again.

Complete Testing Solution
With just one phone call, Celtest can be your complete testing solution for the following materials:
Call Celtest today on +44(0)1248 355 269
View our Lab Tests
Visit the following pages to get a full lists of tests available.
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Celtest provides professional quality materials testing and consultancy services for UK and international construction & civil engineering organisations.
Here at Celtest we undertake UKAS-accredited site sampling and testing, as well as laboratory testing, on a range of materials including aggregates, bitumen, soil, natural stone and concrete. Our diamond drilling, sawing, and controlled demolition services complement testing, giving customers an effective solution from one supplier or one point of contact. We also help organisations develop management systems to meet international standards.
Work with us
With unrivalled in-house resources, fast turnaround, and a drive towards sustainable working, Celtest has become the partner of choice for many organisations, both large and small. Established in 1980, Celtest is now one of the UK’s leading materials testing companies.
Call Celtest today on +44(0)1248 355 269
Laboratory materials testing from Celtest
On-site materials testing from Celtest
Including controlled demolition and radiological sites
Implement recognised management systems
Sign Up to our Newsletter
Keep up to date with our latest news!
Copyright © 2010 Celtest Company Ltd. Registered as a company in Wales and England. Company No. 1533370. Registered Office: Trefelin, Llandegai, Bangor, Gwynedd. LL57 4LH