SD240GS® 3Hr with Door / Pass-Through Slot
The 3-hour SD240GS with an integral swing door or pass-through slot.

— APPLICATION
Openings in smoke barrier walls, openings in fire partition walls, elevator lobby interface, fire rating glass applications, and openings in corridors — where people pass through daily. Considered a "smoke barrier" in the IBC, the SD240GS® deploys to the floor in side guides (rails) recessed into the wall cavity or flush with the face of drywall. The headbox is bespoke, in two types — single roller or multi-roller — depending on the width of the opening. The integral swing door or pass-through slot means the curtain protects the opening without blocking circulation.
— KEY SPECIFICATIONS
| Fire rating | 3 Hr — UL 10D — UL · 3 Hr — UL 10D — Intertek |
|---|---|
| Also tested | UL 10B 20 min (no hose stream test requirement) — Intertek · ASTM E84 — Intertek · ASTM E136 — NGC |
| Max length | 146 ft |
| Max drop height | 45 ft |
| Headbox | 7"×7" (10 ft drop) or 9"×9" (20 ft drop) single roller · 11"×7" / 7"×11" multi |
| Side guides | 2" × 4" factory etch-primed steel |
| Deployment | Gravity · 6–24 in/sec per NFPA 80 Ch. 21 |
| Egress | Pass-through slot for walkable egress — not wheelchair egress, not an integral swing door |
| Power | 120V dedicated 20A circuit · up to 4 motors per panel |
| Battery backup | 2 × 12V in UL 864 listed control panel |
| Codes | IBC · ICC AC 77 · UL 1784 |
— COMPLIANCE
— SYSTEM DETAILS
Rendered from the engineering model



— IN THE FIELD
See it in action
PRODUCT DEMO
SD240GS® 2-3hr Fire Protective Smoke Curtain with Pass-Through Slot — Holy Cross Hospital



— FAQ
Frequently asked questions about this product
— SPEC ASSISTANCE
Spec this product with an architect, not a sales rep.
Our A&E team details curtains into projects from concept design through construction drawings — at no cost. Call 888-917-8777 or write aeteam@ussmokeandfire.com.