Stratalab Klerksdorp

Test. Verify. Build with Confidence.

Stratalab Klerksdorp is a professional civil and materials laboratory serving the construction and building industry with reliable testing, analysis, and quality control.

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About Stratalab Klerksdorp

Based at 4 Ivor Street, Wilkoppies, Klerksdorp, we are a dedicated civil and materials laboratory delivering accurate, dependable testing services to the construction and building industry.

Our team combines hands-on site experience with rigorous laboratory methods to help engineers, contractors, and developers make informed decisions and build with confidence.

From geotechnical investigations, soil classifications and testing to concrete coring and testing, we cover every stage of your project's material requirements.

0+ Years Combined Lab and Construction Experience
Stratalab Klerksdorp team standing together outside the laboratory

Our Services

Comprehensive testing and quality control for every stage of your civil engineering project.

Official SANAS logo

SANAS

South African National Accreditation System recognition presented with the official SANAS logo and aligned to published symbol-use rules.

Concrete cubes curing in a water bath Technician marking concrete test cubes

Concrete Testing & Mix Design

Cube testing, slump tests, and mix design verification to ensure strength, durability, and specification compliance.

Concrete coring machine Rebound hammer on concrete surface

Rebound Hammer Tests and Concrete Coring

Non-destructive surface testing with Rebound Hammers, and accurate strength verification through Concrete Coring.

Field investigation work at a geotechnical test pit Geotechnical soil profile exposed in a test pit

Geotechnical Investigation

  • Dolomite investigation
  • NHBRC registered investigation
Technician preparing soil samples for analysis Technician weighing soil sample material
Technician preparing soil material at the laboratory bench Close-up of laboratory balance used in soil testing
Soaking tank used during soil testing procedures Laboratory equipment used for soil sample compaction and strength testing
Technician operating a compaction-related soil testing machine Technician preparing soil samples for analysis

Soil Testing & Analysis

  • Maximum dry density (MDD)
  • CBR (California bearing ratio)
  • Gradings
  • PI (Plasticity Index)
  • Foundation indicators
  • UCS
  • ITS
  • PH Testing
  • Electrical conductivity
Technician preparing aggregate laboratory testing equipment Technician operating aggregate testing equipment in the laboratory

Lab Testing on Aggregates

  • Flakiness index
  • ACV (Aggregate crushing value)
  • 10% fact.
  • Loose + compacted bulk density
  • ALD (Average least dimension)
Technician operating compaction testing equipment on site Technician recording compaction testing results on site

Compaction Testing

  • On site sand replacement test
  • Density testing (Troxler)
  • Moisture verification
  • DCP testing
Stratalab vehicle and site machinery during on-site quality control work On-site excavation and inspection activity

On-Site Quality Control

Independent inspections ensuring compliance and maintaining quality throughout your project.

Single consolidation testing apparatus Multiple consolidation testing apparatuses

Consolidation Tests

  • Swell potential
  • Free swell
  • Collapse potential

Why Choose Stratalab Klerksdorp

We combine technical expertise with real-world site experience to deliver results you can trust.

SANAS

(South African National Accreditation System)

Accredited Methods

Testing performed to South African National Standards (SANS) and TMH specifications.

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On-Site Capability

Our team comes to your construction site for all your testing requirements and inspections.

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Industry Trusted

Serving engineers, contractors, and developers across South Africa.

Products

Quality materials and equipment available for purchase.

Concrete test cube mould

Concrete Test Cube Moulds

Standard 150mm steel cube moulds for concrete compressive strength testing. Manufactured to SANS 5861 specifications.

Contact for pricing
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Concrete slump set

Slump Sets

Reliable slump testing sets for measuring concrete workability accurately on site and in controlled testing environments.

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Dynamic cone penetrometer

DCP's

Dynamic Cone Penetrometers for efficient in-situ strength indication and pavement or layer evaluation on site.

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Our Policy

A summary of the commitment and operating principles shown in Stratalab Klerksdorp's policy document.

STRATALAB Klerksdorp (Pty) Ltd

Materials Laboratory | 4 Ivor Street, Wilkoppies, Klerksdorp, 2571

Stratalab Klerksdorp was established in 1984. Stratalab Klerksdorp operates independently and is privately owned.

We endeavor to offer excellent service to meet our client's needs, with goals and objectives set by management.

We commit to being fully impartial and will not allow commercial, financial, or other pressures to compromise impartiality.

Our service areas include the North West, Free State, Gauteng, Northern Cape, KwaZulu-Natal, Northern Province and Limpopo.

Stratalab Klerksdorp operates in accordance with ISO 17025, TMH, Colto and SANS methods to ensure constant, reliable and accurate laboratory results.

We request that all personnel read this policy to help ensure efficient and professional service towards our clients.

This will enable us to serve our clients in a professional and efficient manner whilst remaining competitive.

D van Vreden Director
WRC Burley Director
WJ Cilliers Director

What Our Clients Say

Trusted by engineers, contractors, and developers across the region.

★★★★★

"Quick and friendly service, thanks"

Dirk Kotzé
★★★★★

"Excellant service"

Ap
Public review
★★★★★

"Loved it"

HC
Public review

Meet the Experts

The people behind Stratalab bring practical field insight and dependable laboratory discipline to every project.

Portrait of Dieter van Vreden

Dieter van Vreden

Managing Director + Technical Signatories

Portrait of Charles Burley

Charles Burley

Managing Director + Technical Signatories

Portrait of Willy Celliers

Willy Celliers

Director

Portrait of Erlene Burley

Erlene Burley

Office Manager

Portrait of Lea van Vreden

Lea van Vreden

Office Manager

Portrait of JJ Burley

JJ Burley

Technician

Get in Touch

Ready to start your project? Contact us for a quote or to discuss your testing requirements.

Contact Details

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Address 4 Ivor Street, Wilkoppies, Klerksdorp
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Phone / WhatsApp +27 72 287 4318
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Hours Mon–Fri: 7:30 – 17:30

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