Protecting power plant chimneys
Introducing the most versatile acid resistant chimney lining for fossil fired power plants.

Unique product features

  • Chemical resistance
    For low temperature wet flue gas to high temperature untreated gas, even with a high SO content
  • Temperature resistance
    Up to 200 °C or even higher for short periods
  • Thermal Shock resistance
    Most thermal shocks have no effect on HadekTM linings
  • Low weight
    12 – 15 kg/m², does not require anchors, earthquake resistant
  • Long service life
    virtually no maintenance


Hadek is the expert on power plant chimney and FGD ductwork protection, and a global supplier of borosilicate glass block lining systems.

We deliver:

  • Research and feasibility studies
  • Detail engineering
  • Installation supervision
  • Lifetime Performance Monitoring System
  • 10 year limited warranty

Most recent project report

Opatovice power station

Lignite fired power station renews its flue gas desulphurization system and converts its existing chimney to a borosilicate lined wet stack

  • Lignite fired power station, 330 MWe and 650MWt
  • Wet limestone FGD
  • 135 m high reinforced concrete chimney with sectional brick flue
  • Lining applied directly onto internal surface of the brick flue

Our latest news

Discover the publications and study reports

Use of Guide Vanes in KPCL’s new FGD Wet Stacks
CICIND Ahmedabad / October 2023 – By Shri CHINNASOMAIAH, Karnataka Power Corporation Limited (KPCL), India