Therm (EFA-SST Therm)
Ideal for insulated, high throughput openings requiring speed and efficiency.
- Opens up to 2.5 m/s
- U value up to 1.4 W/m²K
- Wind Class 4
- Up to 500,000 cycles
- Widths 500–5,000 mm
- Heights 1,300–5,100 mm
Our EFA SST Therm door uses thermally separated EFA-THERM laths. It minimises heat loss and improves U values so temperature controlled areas keep energy in and costs down. A cold weather package caters to temperatures as low as −25 °C.
- Ultra‑low thermal loss: U‑value up to 1.4 W m⁻² K thanks to thermally separated EFA‑THERM® insulation laths.
- Fast, quiet operation: Opens at up to 2.5 m s⁻¹ and closes at 1.0 m s⁻¹, reducing wait times and improving throughput.
- Wind‑class 4 tolerance: Withstands high wind forces while maintaining tight sealing.
- Long‑lasting durability: Premium version can handle up to 500,000 operating cycles annually and is available in standard sizes up to 5 m wide and 5.1 m high.
- Modular, fully‑customisable: Three variants within a single concept, expandable via optional packages and interchangeable parts.
The EFA‑SST Therm spiral door blends exceptional insulation, high speed and wind‑class to minimise energy loss and wait times, also boosting overall efficiency. Its modular design is ideal for specific applications, whilst the integrated safety features and a flexible frame cover, enable quick maintenance. The result is a durable, low‑maintenance door that delivers substantial energy savings and operational reliability.
- The latest in high speed door technology
- Saves energy, reduces noise & quiet operation
- Space saving & sustainable
- Rapid opening, up to 4 m/s
- Advanced security & remote monitoring
Therm Features
(EFA-SST Therm)- Thermal performance – Thermally separated EFA‑THERM® insulation laths give a maximum U‑value of 1.4 W m⁻² K, minimising heat exchange
- Operating speeds – Up to 2.5 m s⁻¹ when opening and 1.0 m s⁻¹ when closing, supporting fast, uninterrupted flow
- Wind class 4 – Designed to function reliably under high wind pressure
- Control options – EFA‑Tronic® can be wall‑mounted or integrated into the spiral box; Light and Professional variants provide versatility
- Safety – EFA‑TLG® light grid (Premium/Eco), spring‑breakage detection, bolt lock, and optional mechanical or automatic locking integrated with alarm systems
- Pivotable frame cover - Facilitates maintenance and permits remote diagnosis via EFA‑SmartAssist®
- Adjustable endshield – Straight or slanted variants accommodate uneven floors, compensating up to 200 mm
- Modular packages – Cooling, process, and security packages suit applications from deep‑freeze to logistics
- Impact protection – FlexCore Bollard enhances safety and resilience against heavy impacts.
