Grills in Architectural Services • **Introduction:** Grills are architectural elements used for ventilation, security, and aesthetics. They are placed in windows, doors, ducts, and facades. • **Types of Grills:** - Ventilation grills - Security grills - Decorative/ornamental grills - HVAC air supply/return grills • **Materials Used:** Aluminum, steel, cast iron, brass, or wood depending on function and aesthetics.
Working, Functioning & Evaluation • **Working Principle:** Grills allow controlled air passage while preventing entry of large objects, debris, or unauthorized access. • **Functioning:** Used in HVAC systems for air distribution, in windows for ventilation, and as protective barriers. • **Advantages:** - Enhanced air circulation - Added security - Aesthetic appeal and façade articulation - Customizable patterns and materials • **Disadvantages:** - May reduce visibility - Dust accumulation and maintenance required - Can obstruct airflow if poorly designed