Ventec AOV Ostro Access 1m² GFA Natural Smoke Ventilator
The Ventec AOV OSTRO 1.0m² GFA Access Natural Smoke Ventilator is a roof-mounted automatic opening vent with access functionality, designed for natural smoke and heat exhaust ventilation in commercial and residential buildings.
Ventec AOV Ostro Access 1m² GFA Natural Smoke Ventilator
Datasheets & Downloads
1 fileVentec AOV OSTRO Access
Combines certified BS EN 12101-2 smoke ventilation with safe roof access capability. Offset actuator design enables full lid opening for maintenance personnel.
Why specify the Ventec AOV OSTRO Access
Smoke Ventilation + Roof Access. Combines certified BS EN 12101-2 smoke ventilation with safe roof access capability. Offset actuator design enables full lid opening for maintenance personnel.
Document L Compliant. U-value of 2.92 W/m²K meets Approved Document L thermal performance requirements. Insulation options allow customisation to project-specific thermal targets.
Versatile Application. Suitable for flat and pitched roofs up to 15° across production halls, logistics centres, public buildings, commercial properties and residential developments.
Configuration options
1.06m² GFA (Standard). Standard in-stock size with 1100mm x 1100mm structural opening. 10mm opal polycarbonate lid. 30mm PIR insulated galvanised steel base. Weight approx. 100 kg.
Custom Options (Bespoke). Non-standard sizes, lid options and base insulation configurations available on request. Flange profile customisable to suit various roofing types.
Technical Specifications
Technical Specifications
| Specification | Detail |
|---|---|
| Structural Opening | 1100mm(W) x 1100mm(L) |
| Opening | 140° |
| Geometric Free Area | 1.06m² |
| Voltage | 24v |
| Lid Finish | Opal Polycarbonate |
| Base Height | 200mm |
| Roof Access | Yes |
| Document L Compliant | Yes |
| Certification | BS EN 12101-2 |
| GFA (Geometric Free Area) | 1.06m² |
| Opening Angle | 140° |
| Base Material | 1.25mm galvanised steel |
| Lid | 10mm opal polycarbonate (standard) |
| Opening Time | < 60 seconds |
| Snow Load | SL 250 |
| Wind Load | WL 1500 |
| Temperature Resistance | B300 (−25°C to +300°C) |
| Thermal Compliance | Approved Document L |
| Control Compatibility | 400 Series AOV panels |
| Suitable Roof Pitch | Flat to 15° |
| GFA | up to 2.5m² |
| With Access | Roof 140° opening |
| Lid Options | Poly, insulated or dome |
| Aerodynamic Free Area | 0.74m² |
| Compliance | Approved Document L |
| Maximum Opening Angle | 140° |
| Reliability (Smoke) | Re 50 |
| Reliability (Daily) | Re 10000 |
| Operating Temp Low | -25°C |
| Resistance Temp High | B 300 (300°C) |
| Operating Voltage | 24Vdc |
| Current Consumption | 1.6 amps |
| Cable Cores | 2 Core + Earth |
| Upstand Outer (max.) | 1500mm(W) x 1500mm(L) |
| Flange Outer | 1560mm(W) x 1560mm(L) |
| Base Cover Outer | 1566mm(W) x 1566mm(L) |
| U-value | 2.92 W/m²K |
| Base Insulation | 30mm PIR panel (standard) |
| Upstand Height | 150mm (min.) |
| Flange Width | 230mm (standard) |
| Weight | Approx. 100 kg |
| Roof Pitch | Flat to 15° |
Shipping & Returns
Shipping & Returns
