Chief Executive Officer

Jan Kunigk

Chief Executive Officer

INSEE Cement, Sri Lanka’s Number 1 cement brand and Member of the Siam City Cement Public Company Limited (SCCC) of Thailand, announced the appointment of Jan Kunigk as Chief Executive Officer (CEO) as of 01 January 2023, marking the beginning of a new year with a change of guard in the company. With his appointment, Jan replaces Nandana Ekanayake, who retired as CEO but will continue as Chairman of the company.

Jan took on responsibilities as INSEE Cement, Executive Vice Presidency in 2017, and also functioned as the company’s Commercial Director, responsible for Marketing, Sales, Products & Solutions, and Innovation. In his new role, Jan will strengthen INSEE Cement’s position as industry leader, address pressing industry and market challenges, promote INSEE Cement’s culture of innovation and the company’s stewardship towards sustainable, green construction solutions that are “Made in Sri Lanka”, and explore untapped opportunities to grow beyond cement and concrete in a rapidly evolving construction industry.

Jan’s well-established career in the construction and building materials industry is anchored to his tenure at the Swiss Based Holcim Group, where he held a number of strategic leadership positions including Regional Head – Strategy & Business Development for South Asia/ASEAN region, and the post of Senior Vice President at publicly listed Holcim Indonesia just prior to joining INSEE Cement; here he was responsible for revenues exceeding USD 1 Bn. Before joining Holcim, Jan worked in management consulting. He holds a Masters’ degree in Business Administration (MBA) from Western Illinois University (USA) and a Diploma in European Business Studies from Bamberg University, Germany, concluding as Diplom Kaufmann. He has participated in various Executive Management Programs at IMD Lausanne (Switzerland), and Chicago Booth School of Business (USA).

A wide range of tests and equipment to assess fresh and hardened concrete properties

  • Specified Tests for Self-Compacting Concrete
    • Flow Table Test – BS EN 12350-5:2019
    • J-Ring Test – BS EN 12350-12:2010
    • V Funnel – BS EN 12350-09:2010
    • L Box – EN 12350
  • Slump test – BS EN 12350-2 and ASTM C143
  • Density of fresh concrete – ASTM C138
  • Air content in fresh concrete – ASTM 231
  • Concrete bleeding – ASTM 232
  • Concrete setting time – ASTM C403
  • Compressive Strength up to 180 MPa – Testing Machines (3000 & 4000KN) – Double the existing strength standards in Sri Lanka
  • NDT for Compressive Strength up to 130 MPa – Impact Rebound Hammers – Double the existing equipment capacity in Sri Lanka
  • Flexural Strength – ASTM C78 / BS EN 12390-5-2019
  • Splitting Resistance – ASTM C-496 / EN 12390-6 / EN 1338
  • Concrete Specimen Grinding Machine – BS EN 12390-2 2019/ ASTM D4543

A wide range of tests and equipment to assess and ensure your aggregate grade meets the demand and requirement of your concrete.

  • INSEE Measurement Tools
    • INSEE Blue™ – Assess clay content as key quality indicator for manufactured and natural pit sand
    • INSEE Shape™ – Assess the grain shape particles as key quality indicator for manufactured sand
  • Coarse and fine aggregate particles size distribution – ASTM C136 / C136M – 19 & BS EN 933-1
  • Relative Density and Absorption of Coarse Aggregates – ASTM C127-12
  • Aggregate Impact Value (AIV) – BS EN 1097-2:2010
  • Flakiness Index & Elongation Index – BS EN 933-3:2012
  • Soundness Test of Aggregates – SN EN 206-1
  • Aggregate Crushing Value (ACV)- BS EN 1097-2:2010
  • Los Angeles Abrasion Test – ASTM C 131-06

A range of tests to assess properties of fresh concrete that go beyond the traditional ‘slump test’, improving the quality and consistency of concrete.

  • INSEE Measurement Tools
    • INSEE Flow™
    • INSEE Heat™
    • INSEE Color™
    • INSEE ConTemp™
  • ICAR Rheometer for paste, mortar & concrete toassess pumpability, flow resistance, thickness, slump retention, admixtures compatibility
  • Grout for Pre-Stressing Tendons – BS EN 445 2007
  • Electrical Conductivity for paste & mortar
  • Cementometer™ latest microwave technology for the determination of fresh concrete water to cement w/c ratio

Advanced testing with durability indicators to optimize structural performance and extend the service life of concrete structures exposed to severe environments.

  • Rapid Chloride Permeability Test - ASTM C1202
  • Bulk Electrical Conductivity of Hardened Concrete - ASTM C1760-12
  • Specific Resistivity - RILEM TC154 - AASHTO T358
  • Concrete Carbonation - Swiss SIA 262-1/1 CEN/TS 12390-12
  • O2 Permeability - RILEM 116-PCD CEMBUREAU Method
  • Capillary Water Absorption/ Sorptivity - Swiss SIA 262/1:2013 ASTM C1585-04
  • Initial Surface Absorption (ISAT) - BS 1881 Part 5
  • Water Permeability - EN 12390-8:2000
  • Concrete Sulphate Resistance - SIA 262-1/A