United Felts Acquires BKP Berolina
United Felts, a leading manufacturer of CIPP liners and a subsidiary of Vortex Companies, has completed the acquisition of BKP Berolina Polyester GmbH & Co. KG, a leader in advanced composite and UV CIPP liner technology, anchored by its Berolina-Liner System.
In-depth Expertise and a Unique Setting: A Review of the BKP Relining Days
The BKP Relining Days were more than just a typical user meeting. In addition to a diverse program of presentations, intensive professional exchange, and practical demonstrations, the supporting program will be remembered for a long time.
Donation to the Björn Schulz Stiftung – a heartfelt commitment with tradition
Looking back on our commitment last Christmas: Once again, we supported the Sonnenhof children’s hospice of the Björn Schulz Foundation with a donation of 4,000 euros.
Daniel Will joins BKP Berolina as CTO
We are pleased to announce that Daniel Will will join the company as CTO starting July 1, 2025. With him, one of the most respected technical figures in the trenchless pipe rehabilitation industry is joining the team.
“Three pillars and a clear plan”: Interview with CEO Thomas Christiansen
How does a small, medium-sized company hold its ground in an international competitive environment shaped by price pressure and rising demands? Find out more in the in-depth interview with BKP CEO Thomas Christiansen.
BKP Berolina Acquires Majority Stake in CarboSeal® Manufacturer PPR Sweden
In a strategic move to solidify its position as one of the industry leaders in trenchless pipe rehabilitation, the BKP Berolina Group has now reached an 85% majority stake in PPR Sweden.
Stehmeyer + Bischoff rehabilitates large mouth profile pipe in Berlin with Berolina-HF-Liners
Stehmeyer + Bischoff Berlin GmbH renovated a mouth profile canal with a direct outlet into the capital’s water artery on behalf of Berliner Wasserbetriebe over a length of around 280 meters. Four Berolina-HF-Liners were installed.
Mainova: Carbon for the Frankfurt underground
Mainova AG’s district heating pipelines at Untermainkai in Frankfurt am Main have been in operation for over 40 years. They have now been renovated without trenches on two sections using the CarboSeal® district heating liner. It could contribute a small part to the “Frankfurt heating transition” announced by Mainova.
First-class support on first-class holiday island – BKP Berolina and ProKASRO train installation team on Guadeloupe from 0 to DN 1,200
ProKASRO und BKP Berolina trained and supported Grands Travaux Caribéens in installing three UV light-curing Berolina-HF-Liners. The DN 1,200 hoses with a total length of 95 meters were successfully put in place.
BKP application meeting 2024 – a complete success!
We had the honor of welcoming many of our partners and customers frontline teams to Velten and Berlin the week before last. In addition to an exchange of experiences, the kick-off in Berlin offered insights into a lot of installation-related topics referring to our Berolina-Liners etc.
Another Christmas donation for the Björn Schulz Stiftung
Instead of Christmas presents, we are once again making a donation to the Björn Schulz Foundation in Berlin on behalf of our customers and employees this year. On St Nicholas’ Day, BKP CEO Thomas Christiansen presented a cheque to the Björn Schulz Foundation in Berlin.
3,006 kilometers in three weeks: BKP at “Stadtradeln” in Velten
During “Stadtradeln”, our riders collected 3,006 kilometers – for the climate and their own health. In the ranking of the municipality of Velten, BKP takes a strong fourth place and has the best result among the employers in Velten.
Video: Thomas Christiansen on the Rehabilitation of District Heating Pipes with CarboSeal®
Thomas Christiansen makes it clear what the liner @CarboSeal, manufactured in the BKP factory, can do for the rehabilitation of district heating pipes, where it already is was installed and what @PPR Deutschland GmbH is all about.
Video: Arkil Inpipe rehabilitates DN 1,000 and DN 1,400 sewers in Osnabrück, Germany
Arkil Inpipe used Berolina-Liners to rehabilitate sewers in the dimensions DN 1,000 and DN 1,400 in Osnabrück, Germany, partly under adverse conditions. With the help of a BKP application technician, this project of the collaboration that has been going on since 1997 could also be successfully completed.
Rehabilitation of discharge pipe with a special profile: AST and BKP impress with meticulousness and flexibility
AST Grupo rehabilitated a total of 2,347 meters of a sewage pipe with Berolina-HF-Liners in Asturias, Spain. The fact that the box profiles of the discharge pipe sewers, which primarily measure 1,400 x 1,000 mm, have different dry weather gutters, a number of step joints and crossing lines in the crown area made it an ambitious undertaking.
Christmas donation for the Björn Schulz Stiftung
With Christmas approaching, we want to turn our focus to those who for whom health does not come easy. We made a donation to the Björn Schulz Stiftung’s “Sonnenhof” children’s hospice in Berlin.
The Berolina-Liner turns 25!
The Berolina-Liner is 25 years old! In 1997, BKP Berolina delivered the first liner to Teerbau Rohrtechnik GmbH. Since then, many customers and companions have been added. We want to say THANK YOU!


















