Install aluminium windows, frames, sliding systems, casement windows, louvers, and related components. Measure site dimensions and verify installation drawings before work commencement. Carry out alignment, leveling, fixing, sealing, and finishing works. Install glass panels and ensure proper handling to avoid damage. Use hand tools, power tools, and lifting equipment safely. Perform dismantling and replacement of defective windows or glass when required. Conduct waterproofing and silicone sealing works. Ensure completed work complies with project specifications and safety requirements. Coordinate with supervisors, site engineers, and other trades on site. Maintain cleanliness and proper housekeeping at the work area. Report defects, safety hazards, and material shortages to supervisors. Follow all workplace safety regulations and Safe Work Procedures (SWP).