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Type ESW-50REM Smoke VentZoom In

Type ESW-50REM Smoke Vent

Bilco natural smoke and heat exhaust ventilators are manufactured to comply with all the latest regulations including the Construction Products Regulation 305/2011. All standard vents are supplied CE marked and with a Declaration of Conformity and are manufactured to meet the demands of Building Regulations, Approved Document B, BS9999 and EN12101-2.


Natural Smoke Ventilator Models: ESW-50REM, ESS-50REM
Standard Features and Benefits
  • Linear actuators open the cover to the fire open position of 140 degrees within 60 seconds
  • Curb mounted junction box with terminal block enclosed for power cable connection
  • Built-in wind deflector to protect open vent against wind loads
  • Newly designed closed cell EPDM sponge gasket, helps meet Building Regulations air leakage targets by providing a better seal of the cover to the curb, ensuring complete weather-tightness
  • Entire vent shall be weathertight with fully welded corner joints on cover and curb
  • Fully insulated cover and curb for maximum energy efficiency
  • Curb features the Bil-Clip flashing system, an innovative method to quickly and easily secure single-ply roofing material to Bilco roof products
BILCO UK Smoke Ventilators are also designed to provide convenient direct access to roof areas
Standard Sizes
Type Size (mm)  Weight (kg) cm
ESW-50 REM 1260 x 1260 140 1.0m2
ESW-50 REM CL 1260 x 1260 150 1.0m2
ESS-50 REM Special*
* Fabricated to special size requirements. Min. 760mm x Consult Bilco for sizing
Guide Specifications
  • Material: Cover and curb are 3mm aluminium.
  • Cover: Brakeformed, hollow-metal design with 50mm concealed polyisocyanurate insulation with a U-value of 0.47 W/m2K, 100mm beaded overlapping flange, fully welded at corners, and internally reinforced for 195 kg/m2 live load and 97 kg/m2 wind uplift.
  • Curb: 305mm in height with integral capflashing, 50mm polyisocyanurate insulation with a U-value of 0.47 W/m2K, fully welded at corners, and 114mm mounting flange with 11mm holes provided for securing frame to the roof deck.
  • Wind Deflectors: 4mm aluminium with 3mm EPDM gasket
  • Gasket: Extruded EPDM rubber gasket permanently adhered to cover.
  • Operating Mechanism: A linear actuator mounted on a pivoting carriage capable of opening the cover to the fire open position of 140 degrees (Note: roof obstructions should be considered-alterante 90 degree opening products available). Information on control options available.
  • Finish: Mill finish aluminium
  • Hardware: Hinges and fasteners are type 316 stainless steel
  Performance Characteristics to EN12101-2
  Free Aerodynamic area 1.0m2
  Reliability RE 1000 (10,000*)
Snow Load SL400
  Low Ambient Temp T (-15)
  Wind Load WL 1500
  Resistance to Heat B 300
  *10,000 when used as a day to day ventilator
  Declarations of Conformity
  Type ESW-50REM
  Type ESS-50REM
U.S. Patent  5,960,596