Sertus Roof Single Leaf - Commercial - RSL-C

Designed for use in protected stairwells and corridors within commercial and industrial buildings and storage or manufacturing areas.


Single leaf smoke and heat vent, designed to reduce build-up in the event of a fire.

Features and benefits:

  • Manufactured and certified to BS EN 12101-2.
  • Fitted with an integrated electrical opening vent actuator.
  • Opens to 140° within 60 seconds.
  • Can incorporate roof access if required - consult manufacturer for details.
  • Provides natural comfort ventilation in addition to smoke ventilation.
  • Compliant with Building Regulations Approved Documents B and L.
  • Comes with a fully insulated aluminium upstand with 40 mm insulation.
  • Certified non-fragile, and class B for impact resistance according to EN 1873.
  • Available in square or rectangular formats.
  • CE marked.
  • When installed in accordance with the manufacturer’s recommendations, this product is expected to exceed the life of the roof covering.
  • Guaranteed against the effects of defective design, materials or construction for ten years, with an electrical components guarantee for 24 months.


Designed for use in protected stairwells and corridors within commercial and industrial buildings and storage or manufacturing areas.

General information


Uniclass 2015

Pr_70_65_04_56 Natural smoke and heat exhaust ventilatorsPrimary


L10/490 Roof ventilators

Specification data - Natural smoke and heat exhaust ventilators

Product Reference

Sertus Roof Single Leaf - Commercial - RSL-C





See 'Options' and insert requirements.




Glazed, polycarbonate multiwall, 16 mm

Glazed, polycarbonate multiwall, 20 mm

Solid insulated, aluminium, 20 mm

Solid insulated, aluminium, 40 mm

Colour/ Finish


Polycarbonate only.

Mill finish

Solid insulated only.


Polycarbonate only.

RAL, colour

Solid insulated only.


300 mm

500 mm

Special order.

Accessories/ Other requirements

Not required

Adaptor base

Enables the unit to be installed to builder’s upstand, profile metal roofing or within continuous glazing.

Additional sound reduction

Up to 44 dB Rw.

Aerodynamic wind deflectors

Optimizes aerodynamic efficiency.

Fall arrest grid

Certified to EN 1873. Protects the opening whilst in the open position.

Standard product features


  • Voltage: 24 V (d.c).
  • Opening angle: 140°.
  • Opening time: <60 s.

Thermal transmission (U-Value):

- Lid:

  • Polycarbonate, multiwall, 16 mm: 1.77 W/m²K.
  • Polycarbonate, multiwall, 20 mm: 1.60 W/m²K.
  • Aluminium, 20 mm: 1.40 W/m²K.
  • Aluminium, 40 mm: 0.73 W/m²K.

- Upstand:

0.68 W/m²K.

Impact resistance (to EN 1873):

1200 J.

Technical characteristics:

- General:

  • Sound reduction: 28 dB Rw.
  • Watertightness (to EN 1873): Pass.
  • Fire rating (to BS 476 Part 3): AA.

- Performance (to BS EN 12101-2):

  • Coefficient value: 0.56 (with wind deflectors).
  • Reliability (fire): RE1000.
  • Reliability (comfort): RE10 000.
  • Resistance to heat: B300.
  • Snow load: SL1500.
  • Wind load: WL250.

Product Options


- Rectangular:

Available 1000 x 1200 mm to 2000 x 2500 mm.

- Square:

Available 1000 x 1000 mm to 2000 x 2000 mm.

Consult manufacturer's literature for further details - free vent area will depend which size variant is specified.


Insulated, for installation onto prepared roof apertures. Powder-coated white internally as standard.

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