Accredited Lab
for Construction Materials & Structures
At Contech-lab, precision is more than a principle - it’s our foundation.
We provide accredited testing and expert consultation for construction materials and structural components, serving investors, contractors, designers and manufacturers across the construction sector.
Accreditations & Certifications
HAA Accreditation – Croatian Accreditation Agency
ISO/IEC 17025 – International standard for testing laboratories
ISO 9001 – Quality management system certification
These accreditations guarantee that all our results are scientifically valid and internationally recognised, offering confidence and credibility for every project.
Concrete Testing
Comprehensive assessment of compressive strength, consistency, and long-term durability.
Geosynthetics Analysis
Evaluation of mechanical behavior, permeability, and long-term performance.
Aggregates
& Metals
Testing for gradation, strength, purity, tensile resistance, and hardness.
Asphalt Testing
Advanced testing of asphalt mixtures for stability, density, and resistance.
Our testing facilities & Equipment
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Hydraulic compression presses
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Marshall presses for asphalt
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Non-destructive testing equipment
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Spectrometers for chemical analysis
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Climatic chambers for durability testing
Unmatched Efficiency.
Unwavering Performance.
Material Testing
Comprehensive testing of construction materials to evaluate performance, durability, and compliance.
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Concrete; Strength, consistency, and durability
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Asphalt; Stability, density, and resistance
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Aggregates; Gradation, purity, and compressive strength
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Geo-synthetics; Mechanical properties and permeability
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Metals; Tensile strength and hardness
Structural Testing
Control and monitoring of construction quality.
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Non-destructive concrete testing
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Construction phase quality control
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Condition assessment of existing structures
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Soil and foundation testing
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Long-term structural monitoring
Laboratory Analyses
Detailed study of the physical and chemical properties of materials.
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Mechanical and chemical analysis
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Durability and environmental resistance
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Microscopic and compositional evaluation
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Ageing and degradation studies
Consulting & Technical Support
Tailored expert advice for every project stage.
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Detailed testing reports and certifications
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Technical assistance during execution
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Project support and supervision
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Staff education and training programs
We Take Pride in Our Projects
Pelješac Bridge
Croatia
Comprehensive testing of concrete and reinforcements
Client: HAC (2022)
Industrial Hall Rijeka
Metal structure and weld joint testing
Client: Metal Industry d.o.o. (2021)
Zagreb Office Tower
On-site quality control of concrete and structural elements
Client: Invest Grupa d.o.o. (2023)
Residential Complex Split
Field and laboratory testing of soil and foundations
Client: Adriatic Invest d.o.o. (2022)
Hydropower Plant Project
Analysis of concrete and Geo-Synthetics for dam and tunnels
Client: HEP d.d.
(2021)
CLIENTS
Working With the Best
Our Partners
