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Felix and Jakob Kropfelder take over MASTERTEC from January 2026

A message by our company founders

From left to right: Felix, Gabriele, Rainer and Jakob Kropfelder

In 1998, we, Rainer and Gabriele Kropfelder, founded MASTERTEC. Our goal was to develop high-quality special products for reinforced concrete construction to offer our customers reliable solutions at all times. This idea turned into a success story that we continue every day: At present, MASTERTEC has more than 60 employees who serve and supply customers in 35 countries.

After 28 exciting – and sometimes challenging – years, the time has come for us to pass on the responsibility. We are delighted that our two sons, Felix and Jakob, who have been actively involved in the company for many years, will be leading MASTERTEC into the future.

We are now both 63 years old and will continue to work for the company. At the same time, we are handing over the leadership to Felix and Jakob with complete confidence and trust. We are proud to see what MASTERTEC has become, and we know that our sons will consistently drive its further development.

MASTERTEC Luftaufnahme

This success would not have been possible without you – our customers, suppliers, business partners and friends. We would like to express our sincere thanks for your long-standing support, your trust and the constructive cooperation we have always enjoyed.

We would be pleased to see you continue to accompany Felix and Jakob as well as the entire MASTERTEC team on their journey. Together, we take an optimistic view of the future and look forward to many more years of successful cooperation.

Kind regards
Rainer & Gabriele Kropfelder

MASTERTEC Produkte

28 years of MASTERTEC

1998

  • Introduction MASTERTUBE injection hose 

1999

  • Development and start of production of MASTERSTOP bentonite swelling tapes

2001

  • MASTER joint sheet metal:  first coated joint sheet metal with fixing angle

2002

  • MASTERSTOP SK: self-adhesive bentonite swelling tape

2004

  • First attendance at the bauma trade fair in Munich 
  • Development of WELLO active lining pipe
  • Introduction of FASO lining pipe
  • VB joint sheet metal  
  • RONDO sealing collar  
  • KG sewage pipe bushing type double socket 

2007

  • VB joint sheet metal roll
  • Launch of lightning protection

2012

  • MASTERSTOP LONG TIME 

2013

  • RONDO MINI 

2014

  • High-pressure swelling tape FLOWSTOP

2016

  • STOPPER and ActiveRings

2017

  • First attendance at the BAU trade fair in Munich

2018

  • Development and production of stopend panels

2019

  • LinkForm 
  • LinkFix
  • RONDO Protect sealing collar

2020

  • Development STOPPER SCREW   

2022

  • Stopend panels in all designs 
  • ABS formwork comb
  • Waterproofing technologies for agricultural buildings 
  • Lining pipe UniCut 
  • Connection seal MASTERTEC Connector 
  • Pipe bushing Novo, type double socket

2023

  • Patent STOPPER SCREW
  • 25 years of MASTERTEC 

2024

  • MASTER-HOME-CONNECT service ducts
  • FIX formwork aid

2025

  • Robot-assisted production for crack inducing elements 🦾

2026

  • Felix and Jakob Kropfelder take over MASTERTEC