Ash Screens

Filtration & Wire ClothAsh Screens

Ash Screens

Custom filtration solutions protect seal troughs in wet bottom hoppers

  • Variety of alloys and materials mitigate corrosion
  • Multiple corrugation patterns
  • Designed for easy installation


  • Filters and screens ash at boiler seal and joints
  • Protects refractory lined walls
  • Maintains water seal integrity
  • Flexibility eliminates thermal fatigue and warping

Tech Specs

  • Multiple materials and alloys available
  • Available in flexible and rigid mesh
  • Custom and standard widths available
  • Hanging systems
  • We offer ash analysis to determine best alloys and materials for each plant and boiler


Coal-fired power plants must protect their equipment from ash buildup and clogging. Ash screens filter ash at the boiler seal trough and expansion joints. They also protect refractory lined walls and maintain water seal integrity. Cambridge has supplied ash screens to the power industry for over 40 years. Accelerated lead times and rush shipments are available.

How-To Video