1. Flue Gas Systems - Stacks, Stack Liners, Chimney Caps Scrubbers, Mist Eliminators, Breeching and Ducting with Dampers and Valves
2. Buried and Above Ground Piping Systems - Make-Up Water, Recirculating Water, Cooling Tower, Fire Water, In-Take Water Lines, Top Ash, Bottom Ash, Slurry and Penstocks
3. Storage Tanks (Shop and Field Fabricated) - Water Holding, Chemical and Slurry
4. Field Services for Inspection and Repairs, Stack Relinings, Scrubber Installation, Stack Erection and  FRP Mainatenance
5. Pipe Closure Kits for Retrofit of RPM

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.