About us

MASTERTEC is based in Oberhaid, Germany, ten kilometres from the UNESCO World Heritage city of Bamberg. The family business was founded in 1998 by Rainer and Gabriele Kropfelder. Over the years, the number of employees has grown to over 50. We have established a network of dealers, sales partners and friends in 35 countries. They support us with their professional expertise and contribute significantly to the development of MASTERTEC.

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25 years of innovations from 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