Refractory Mason

Job Summary

The Refractory Mason at Dangote Cement Plc is repsonsible for carrying out installation, maintenance, and repair of refractory linings in kilns, furnaces, and other high-temperature equipment to ensure optimal plant performance, safety, and operational efficiency.

Key Duties and Responsibilities

• Install refractory bricks, castables, and insulation materials in kilns, cyclones, preheaters, and related equipment.


• Ensure proper alignment, spacing, and thickness in line with technical specifications.


• Carry out anchoring and lining activities as required.


• Inspect refractory linings for wear, cracks, and damage.


• Remove defective refractory materials and replace with new installations.


• Perform patching and emergency repairs during plant operations and shutdowns.


• Prepare surfaces prior to installation (cleaning, leveling, etc.).


• Mix and apply refractory materials (castables, mortar, gunning mixes).


• Ensure proper curing and drying of installed materials.


• Conduct routine checks to ensure integrity of refractory linings.


• Adhere strictly to installation procedures and manufacturer specifications.


• Report defects and recommend corrective actions.


• Follow all plant safety procedures and use appropriate PPE.


• Work safely in high-temperature and confined environments.


• Maintain good housekeeping of work areas.


• Provide feedback on work completed and materials used.


• Support supervisors in tracking maintenance activities and shutdown work.

Requirements

• Minimum of Trade Test Certification.


• At least 3–5 years experience as a Refractory Mason in a cement plant or heavy industrial environment.


• Proven experience working on kilns, furnaces, or similar high-temperature equipment.


• Strong knowledge of refractory materials and installation techniques.


• Ability to read and interpret basic technical drawings.


• Good physical strength and stamina.


• Attention to detail and quality workmanship