Roof Single Leaf – Commercial (RSL-C) Smoke Vents are modular units designed for smoke and heat ventilation in commercial and industrial buildings and storage or manufacturing areas within protected lobbies and stairwells. They also provide natural comfort ventilation and when supplied with polycarbonate glazing will provide natural daylight. Roof Single Leaf – Commerical (RSL-C) are CE Certified to BS EN12101-2 and have been independently tested by an accredited third party.
RSL-C Smoke Vents are available with 300mm & 500mm high insulated upstands for installation into prepared roof apertures. They are also available with adaptor bases for installation onto builders upstand curbs, profile metal roofing or within continuous glazing. Size range is square 1000 x 1000mm to 2000 x 2000mm or rectangular from 1000 x 1200mm to 2000 x 2500mm. The units are manufactured from aluminium and are powder coated white internally as standard and may be mill finish or powder-coated externally to any RAL colour.
Values shown below are calculated U-Values, unless denoted otherwise. Complete unit U-Values are available on request.
Typical Values U-Value (W/(m2.K))
Polycarbonate multiwall 20mm: 1.60
Solid insulated cover 40mm: 0.73
Upstand 300mm or 500mm: 0.68
Coefficient Value (Cv): 0.56*
Reliability – Fire: RE1000
Reliability – Comfort: RE10000
Snow Load: SL1500
Wind Load: WL250
Resistance to Heat: B300
Low Ambient Temperature: (-05)
* With wind deflectors
Impact-resistant to EN 1873: 1200J
Sound reduction: 28 dB RW*
Water tightness to EN 1873: Pass
Fire-rated to BS 476 Part 3: AA
Actuator Voltage: 24V DC
* Sound reductions to 44 dB RW available.