Sustainability is not only about what we use, but also about what we choose not to use. The same applies to waterproofing. Primostar’s Integrated Waterproofing Solution reduces the need for additional materials and installation steps, helping to lower the CO₂ footprint. Estonia ranks FIR... Oct 27, 2026
It feels good to do good. And it’s touching when it’s recognised. 💙 It feels good to do good. And it’s touching when it’s recognised. Last week, we attended Tallinn Children’s Home’s appreciation event for supporters, where our contribution was recognised. This year... Oct 22, 2026
Every new concrete pour creates a new construction joint. Floors, walls, and intermediate slabs are not cast in a single pour. Where one concrete pour ends and the next begins, a construction joint is formed. Primostar® Metal Sheet Waterstop waterproofs cons... Oct 6, 2026
Primostar LLC Selected for Florida’s Ambition Accelerated Resilience Program Primostar LLC, the U.S. subsidiary of Primostar Group AS, has been selected to participate in the 2026 Ambition Accelerated Resilience Accelerator program in Florida. Primostar will take part in the S... Sept 28, 2026
Sometimes, a construction site turns into a place for real creativity. When a metal sheet waterstop needs to be secured between the reinforcement, there are no limits to creativity. Our customers generally use installation holders, but on some sites, the solution is simp... Sept 22, 2026
Overview of the Primostar team Who does what? Here’s a quick overview of the Primostar team. This time, we’ve put names, faces, and responsibilities together to make it easier to see who does what. The right person = a faster answe... Sept 13, 2026
A glimpse into what we actually do. A glimpse into what we actually do. Together with Ken Põldis from Nasdaq Tallinn, we visited several construction sites to see our solutions in practice. Which projects did we visit, and what did we d... Sept 10, 2026
Common Mistakes When Installing Metal Sheet Waterstops A metal sheet waterstop doesn't perform as intended simply because it is embedded in concrete. Its waterproofing performance also depends on the quality of the installation. Three common mistakes on c... Aug 25, 2026
Primostar now has a patent in Ukraine! Primostar® Crack Control System technology is now patent-protected in Ukraine as well. 🙌 Ukrainian patent UA 130868 C2 describes a solution that enables the creation of a controlled crack in a concret... Aug 17, 2026
Every concrete pour is another step towards completing the project. Every concrete pour is another step towards completing the project. Floors, walls, and ceilings are constructed in stages, and each subsequent concrete pour creates a construction joint. Primostar® Fo... Aug 10, 2026
Primostar presented its patented waterproofing solutions in Miami. International growth begins with building trust, sharing knowledge, and finding the right partners. This week, Primostar visited Kobi Karp Architecture & Interior Design in Miami, where Primostar's CE... Aug 7, 2026
Primostar continues to take the next steps in the U.S. market. Last week, Primostar held a series of important meetings in Miami with a common goal: introducing our innovative waterproofing solutions to the U.S. construction industry. Over the course of three day... Aug 4, 2026