We have built a double-duct, double-wall steel stack in Olsztyn, 25 m high and 3.15 m in diameter, with an insulated flue gas duct made of SS with a diameter of 2 x 1.3 m.

We have comprehensively performed: design works, prefabrication, delivery and assembly of the stack together with the equipment. The stack equipment included: ladders; platform for operation of measuring nozzles; top platform; condensate drainage system with neutralisation; electric and lighting instalation.