PrīmX® Concrete
Technology

Advanced jointless concrete floors, foundations, rafts, walls, and load-bearing structures

We control concrete behavior through chemically prestressed, steel fiber reinforced systems with full responsibility for design, materials, and execution.

Faster and Stronger

Faster and Stronger

Longer spans. Faster pours. Built for earlier operations.

Lower Lifetime Costs

Lower Lifetime Costs

Stable slabs. Fewer interventions. No operational disruption.

Reduced CO₂ by Design

Reduced CO₂ by Design

Thinner cross sections. Less concrete and steel.

One Accountable Partner

One Accountable Partner

Design, workmanship and materials controlled by one team.

Consistent Quality Worldwide

Consistent Quality Worldwide

Same system applied globally. Predictable project outcomes.

PrīmX® Concrete Technology 

Built to perform. Engineered to last.

PrīmX® is trusted by developers, owners, and contractors who demand more speed, strength, adaptability, and measurable CO₂ reduction. Our inhouse structural engineers optimize baseline design, while concrete engineers create project specific  mix designs based on locally available materials - for every project. Tests done in our R&D and at a local concrete plant ensure consistent quality worldwide.

Concrete Technology

Expertise - Projects & Case Studies

No matter the project scale or complexity, PrīmX combines advanced engineering, dedicated R&D, and complete design-build responsibility to deliver future-flexible, performance-driven solutions.

PrīmX Double Slab is our go-to solution for high-density automation - it’s precise, fast, and completely joint-free.

CTPark BUW 27 Automated Warehouse

Trusted by Leading Innovators Worldwide

29+ Years

Delivering engineered concrete solutions for mission-critical facilities.

26M+ m²

High-performance floors and structures built across industries.

>4000 Projects

Proven on complex builds - from logistics hubs to gigafactories.

>3280 Clients

Trusted by developers, owners, and contractors worldwide.

PrīmX® Concrete Research and Development

The most researched concrete in Northern Europe

Find out more

€2M+ Invested in Concrete R&D Every Year

Research, testing, and development funded continuously

30+ Researchers and Engineers

Structural designers, concrete chemists, and R&D specialists

Accredited Testing Laboratory

PrīmX Testing Laboratory is an accredited laboratory recognized by the Latvian National Accreditation Bureau (LATAK), operating in compliance with the requirements of the LVS EN ISO/IEC 17025:2017 standard.

Every Project Tested Before Pouring

Local cement, sand, and aggregates analyzed in our lab

Sensors

Embedded sensors enabling real-time monitoring of concrete performance.

29+ Years of Continuous Research

Steel fiber and prestress technology, advanced since 1997

Research partners

PrīmX Pure

Calculate your CO2 footprint. Enter your project details. See the CO2 reduction PrīmX Pure concrete delivers.

Admixture Factory and Products

The engineers, specialists, and teams behind PrīmX - turning complex demands into reliable results.

Safety First

Built into every process, every site, every decision.

Meet Our People

Our people are PrīmX. Dedicated, skilled, and proud of what they build. Validating every mix for every job.

ConcreteX Podcast

Our goal is to share valuable content by interviewing industry leaders and provide insight on topics relating to: R&D for Innovation. How research and development are vital to improve the quality, sustainability and durability of concrete; · Carbon Neutrality.

ISO Certificates

Certified across quality, environment, and safety. International standards, fully met.

Latest News & Events!

Webinar: Steel Fiber Reinforced Concrete (SFRC) Structural Performance, Material Efficiency and CO₂ Reduction

Webinar: Steel Fiber Reinforced Concrete (SFRC) Structural Performance, Material Efficiency and CO₂ Reduction

The International Conference on SFRC 2025 has officially concluded - uniting more than 440 industry leaders, researchers, and structural engineers in Riga to advance the future of Steel Fiber Reinforced Concrete (SFRC).

The International Conference on SFRC 2025

In the world of large-scale construction, standards are not optional - they are the foundation of trust. Primekss is proud to announce that our Integrated Management System has achieved certification in four internationally recognised ISO standards, placing us among an elite group of construction specialists worldwide.

Primekss Secures Four ISO Certifications - Raising the Global Benchmark for Concrete Construction Engineering Excellence, Independently Verified

We are proud to announce that two members of the Primekss team have been recognized at this year’s Construction Industry Grand Award (Būvindustrijas lielā balva) Pamatakmens ceremony.

Primekss Team Members Honored at 2025 Construction Industry Awards

Young Presidents’ Organization (YPO) Recognizes Primekss CEO Janis Oslejs with the 2026 Construction Industry Sustainability Award for Environmental Impact to reduce carbon emissions, resource consumption, and promote sustainable practices.

YPO Honors Janis Oslejs with the 2026 Construction Industry Sustainability Award for Reducing CO₂ Through Structural Efficiency