Knierzinger Industrieisolierungen GmbH, which was founded by Mr. Philipp Knierzinger in 1998, deals in production and maintenance of industrial insulations for the pulp, paper, chemical and steel industries as well as for power and waste incineration plants.

Knierzinger Industriegerüstebau GmbH, established in 2014 by Mr Philipp Knierzinger and Mr René Pillwatsch, specialises in industrial scaffold erection so it is the perfect complement to industrial insulation.

Currently, between 80 and 120 employees work at the company's premises in Marchtrenk, Upper Austria and Passau, Germany. They regularly take part in trainings and receive instructions that are necessary for maintaining the high quality and safety standards.

Knierzinger has been certified according to EN ISO 9001:2008 and SCC** certifications already since 2002.

Our professionally faultless state-of-the-art workmanship according to the current applicable standards and required safety standards contribute to a reliable and successful cooperation.

  • in procedural plants for industry
  • insulation for boilers, pipes, fittings, appliances, containers, stoves, reactors, gas turbines, air separation systems, and many more
  • with standardised or customised material such as:
    • Mineral fibre products, insulation mattresses, foam glass, cellular rubber, polyurethane foam
    • ceramic fibres, extruded foams
    • Special products for high-temperature insulation with specific demands such as silicate fibre and Microtherm protective casing
Furthermore, Knierzinger is your contact with regard to international business activities. We also offer the following services:
  • Provision of supervisors for major projects
  • Engineering services for major and minor sites
  • Technical documentation including insulation strength calculations and layout and detail drawings

Quality= the customer returns and not the product.

Gesch�ftsf�hrer Philipp Knierzinger
Gesch�ftsf�hrer Ren� Pillwatsch