Quality Assurance

German Standards.
No Compromise.

Our work is governed by rigorous German quality standards. From DIN specifications to on-site testing protocols, every project receives the same uncompromising attention to quality.

DIN Standards

Quality Standards We Apply

German DIN standards form the foundation of our quality system. These aren't just certifications—they're working specifications we apply daily.

DIN 18202

Flatness Tolerances

German standard defining permissible deviations in floor flatness. Table 3 specifies tolerances for industrial floors, with Lines 1-4 representing increasing precision requirements.

Application

All industrial floor projects. Line 3 for standard warehousing, Line 4 for VNA and high-precision applications.

DIN EN 12350

Fresh Concrete Testing

European standard for testing fresh concrete properties including slump, flow, density, and air content. Essential for quality control during placement.

Application

On-site testing of every concrete delivery. Results documented for quality records.

DIN EN 12390

Hardened Concrete Testing

European standard for testing hardened concrete including compressive strength, tensile strength, and density. Cube or cylinder specimens tested at 7 and 28 days.

Application

Cube testing from each pour. Results verified against specified concrete grade.

DIN EN 13813

Screed Materials

European standard for screed materials and screeds. Defines classification, requirements, and test methods for cementitious and synthetic resin screeds.

Application

Specification and testing of bonded screeds and surface treatments.

Quality Control

Testing Protocols

Every project follows documented testing procedures. Results are recorded, verified, and included in project handover documentation.

Fresh Concrete Testing

Slump test, temperature check, and visual inspection of every concrete delivery. Air content testing for external works.

DIN EN 12350
Frequency:Every truck delivery

Cube Specimens

150mm cube specimens cast from fresh concrete. Cured under controlled conditions for 7-day and 28-day compressive strength testing.

DIN EN 12390-2
Frequency:Minimum 3 cubes per 50m³ or per pour

Flatness Measurement

Floor flatness surveyed using digital floor profiler or straightedge and wedge. Results recorded on grid pattern.

DIN 18202
Frequency:100% coverage, 3m grid typical

Coating Adhesion

Pull-off adhesion testing of coating systems using calibrated equipment. Minimum 1.5 N/mm² for standard applications.

DIN EN ISO 4624
Frequency:1 test per 200m² or per batch

Coating Thickness

Wet film and dry film thickness measurement using calibrated gauges. Ensures specified coverage achieved.

DIN EN ISO 2808
Frequency:Continuous during application

Moisture Content

Carbide moisture measurement of concrete substrate before coating application. Maximum limits vary by coating type.

CM Method
Frequency:Before coating, minimum 1 per 100m²
Monitoring

Inspection Classes

German monitoring classes define the level of quality inspection required for different project types.

Überwachungsklasse 2 (ÜK 2)

Enhanced monitoring class for structural concrete

  • Fresh concrete testing every delivery
  • Cube specimens per DIN EN 12390
  • Third-party inspection available
  • Full documentation package

Überwachungsklasse 3 (ÜK 3)

Highest monitoring class for critical structures

  • All ÜK 2 requirements
  • Continuous third-party inspection
  • Enhanced testing frequency
  • Real-time quality monitoring
Environmental

Environmental Protection

For facilities handling hazardous materials, we specify and install containment-rated floor systems meeting German environmental regulations.

WHG §19

Water Protection

German Water Resources Act section governing facilities handling water-hazardous substances. Requires certified containment systems with appropriate resistance and capacity.

Application

Chemical storage, fuel handling, industrial processing areas with hazardous materials.

AwSV

Facilities Ordinance

Ordinance on facilities for handling substances hazardous to water. Defines requirements for secondary containment and leak detection.

Application

Design and specification of containment-rated floor systems.

Materials

Material Specifications

We specify materials that meet German quality standards. Here are typical specifications across our main material categories.

Concrete

C30/37
Typical for standard industrial slabs
Standard structural grade, 30 MPa cylinder / 37 MPa cube strength
C35/45
Heavy-duty applications, external works
Enhanced grade, 35 MPa cylinder / 45 MPa cube strength
C40/50
Special applications, high load areas
High performance, 40 MPa cylinder / 50 MPa cube strength

Steel Fiber

Hooked End
Standard structural fiber for slabs
60mm length, 0.75mm diameter, aspect ratio 80
Dosage - Light
Crack control, light industrial
20-25 kg/m³
Dosage - Standard
Standard industrial floors
30-35 kg/m³
Dosage - Heavy
Heavy industrial, joint-free construction
40-50 kg/m³

Hard Materials

Mineral Aggregate
Standard abrasion resistance
Quartz-based, 3-4 kg/m² application
Metallic Aggregate
Heavy-duty, highest abrasion resistance
Iron-based, 4-5 kg/m² application
Corundum
Non-sparking environments
Aluminum oxide, 4-5 kg/m² application

Coatings

Epoxy - Standard
General purpose sealing
Two-component, 0.3-0.5mm DFT
Epoxy - Chemical
Chemical containment areas
Novolac-based, 2-3mm DFT
Polyurethane
Traffic areas, thermal movement
Flexible system, 2-4mm DFT
Lithium Silicate
Dust-proofing, hardening
Penetrating densifier, 2-3 coats

Need Technical Specifications?

Contact us for project-specific technical specifications and material recommendations tailored to your requirements.