1. Ventilation and Process Ducting with Dampers and Valves
2. Storage Tanks (Shop and Field Fabricated) - Chemical, Settling and Process
3. Stacks, Stack Liners and Chimney Caps
4. Buried and Above Ground Piping Systems - Cooling Tower, Water Treatment, Slurry and Process
5. Precipitators, Mist Eliminator Vessels, Filter Vessels and Fume Scrubbers
6. Field Services for Inspection and Repairs, Relinings, Scrubber Installation,  and  FRP Mainatenance

Ershigs designs, manufactures, fabricates and installs corrosion-resistant products made of Fiberglass Reinforced Plastics (FRP) such as process and effluent piping, abrasion resistant piping, storage and process vessels, stacks and chimney liners, duct systems and valves.