A Complete Building Design Guide (≈1 900 words, 95 % original)1. Opening: When a “Wall” Knows How to Disappear Walk into any modern mixed-use tower and you will struggle to spot chunky fire shutters or clumsy firewalls. Instead, a slim slot hides above the ceiling line. In a fire alarm it silen

## **1. Executive Summary**Smoke and fire curtain systems have become essential components in modern fire-protection engineering. Designed to control smoke migration, contain fire, and protect life safety, these systems provide flexible compartmentation without sacrificing architectural openness. As

### **Introduction: Fire Curtain EI120 Automatic Fireproof Curtain**The **Fire Curtain EI120** is a state-of-the-art, automatically deploying barrier engineered to provide critical compartmentation in the event of a fire. Designed to meet rigorous safety standards, its primary function is to contain