Smoke curtains: Sa, S200, DH and DHA
Sa and S200 limit smoke leakage; DH and DHA belong to smoke control. Different performances, not interchangeable — and Ra and R200 are something else again.
Standards
Knowledge and insights on fire and smoke protection
Knowledge on fire and smoke protection: regulations, standards, design choices and maintenance. Every article gives the short answer first, then the reasoning.
The difference between E, EW and EI: classifications explained
E, EW or EI 60 — the classification determines which curtain is suitable. How to read the codes from EN 13501-2 and choose the right requirement.
Standards
Fire and smoke control in atriums
An atrium does not automatically call for curtains. What counts is the function the separation must perform in a fire — and curtain versus smoke barrier.
Practice
Maintenance and inspection of fire and smoke curtains
A curtain stands open almost all of the time, so a fault can go unnoticed for a long while. What periodic checking covers and why a working fire alarm system is not enough.
Maintenance
Prefer the basics in one place? Read the fire safety information.
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