Home > Companies > Surespan Ltd > Smoke Vent Dome Skylight SRHP/AOV

Thermally broken aluminium smoke ventilator and roof hatch designed to BS EN 12101-2. The AOV also offers push-button comfort ventilation. The lid and upstand feature a 50-mm thermally broken section, which is fully insulated with 50 mm-thick CFC- and HCFC-free polyisocyanurate or non-combustible mineral wool insulation.

Performance (to BS EN 12101-2):

  • Free aerodynamic area: 1.0 m².
  • Reliability: RE 1000 (10 000 comfort ventilation).
  • Snow load: SL 500.
  • Low ambient temp: T (-15°).
  • Wind load: WL 1500.
  • Resistance to heat: B300.

Standard product features

Material:

Aluminium with 50-mm thermal break.

Cover:

50 mm-thick fully insulated kerb and lid, corner-welded and reinforced. Aluminium wind deflectors.

Curb:

300 mm in height with external curb-liner, 50-mm thermal break and 50 mm-thick insulation.

Seal:

Double unbroken bubble and blade seal to lid.

Hinges:

Heavy-duty continuous hidden hinge.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
90-45-80/370 Smoke and heat exhaust control panels
90-45-80/340 Natural smoke and heat exhaust ventilators
45-25-99/410 Framed rooflights

Product specification

An important note about specifying

Manufacturer

Name:

Surespan Ltd

Tel:

+44 (0)1922 711185

Product reference

SRHP/AOV 140°

Type

[Polycarbonate dome lid]
[Solid aluminium lid]

Size

[1050 x 1050 mm]
-
0.69 m² aerodynamic area.
[1260 x 1260 mm]
-
1 m² aerodynamic area.
[Special order]
-
Insert requirements, available 900–1260 x 900–1260 mm.

Colour/ Finish

 - Internal:
[Mill]
-
Standard.
[Polyester powder-coated]
-
Insert RAL colour insert requirement.
 
 - External:
[Mill]
-
Standard.
[Polyester powder-coated]
-
Insert RAL colour insert requirement.
 

Insulation

[50 mm-thick polyisocyanurate insulation]
-
0.43 W/m²K.
[50 mm-thick non-combustible mineral wool insulation]
-
0.63 W/m²K.

Operation

[24 V DC actuator]
[24 V DC control panel with 72-hour battery backup]
[48 V DC actuator]
[48 V DC control panel with 72-hour battery backup]

Controls

[24 V control centre]
[Fireman’s switch]
[Key switch]
[Push button]
[Smoke detector]

Manufacturer details

Leamore Close,
Leamore Enterprise Park,
Walsall,
West Midlands, WS2 7NL
Tel +44 (0)1922 711185
Fax +44 (0)1922 497943
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