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Image of a square metal floor hatch access cover with recessed panels and a sturdy frame, designed for building and construction use, seamlessly integrating smoke ventilation features.

A rectangular ventilation unit on a corrugated metal roof enhances natural ventilation.

A metal rooftop with two rectangular skylights aligned in a row under a partly cloudy sky, enhanced by natural ventilation.

SV-R-L4 – AOV Roof Louvre

SV-R-L4 AOV roof Louvre is a multi louvred ventilator that provides ventilation of large quantities of warm air and/or smoke from a building within a short period of time.

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In stock, delivered within 3-5 days

Double insulated blades as standard
Can be supplied with polycarbonate or glass blade infills
Mill finish as standard. Custom RAL colour also available
24V DC motor

Colour

Custom RAL colour Mill finish

Free Area

1m² 1.5m²

Size

966x500mm 966x600mm 966x700mm 966x800mm 966x900mm 966x1000mm 966x1100mm 966x1200mm 966x1300mm 966x1400mm 966x1500mm 966x1600mm 966x1700mm 966x1800mm 966x1900mm 966x2000mm 966x2100mm 966x2200mm 966x2300mm 966x2400mm 1186x1000mm 1186x1100mm 1186x1186mm 1186x1200mm 1186x1300mm 1186x1400mm 1186x1500mm 1186x1600mm 1186x1700mm 1186x1800mm 1186x1900mm 1186x2000mm 1186x2100mm 1186x2200mm 1186x2300mm 1186x2400mm 1186x500mm 1186x600mm 1186x700mm 1186x800mm 1186x900mm 1400mm 1406x1000mm 1406x1100mm 1406x1200mm 1406x1300mm 1406x1400mm 1406x1500mm 1406x1600mm 1406x1700mm1406x1800mm 1406x1900mm 1406x2000mm 1406x2100mm 1406x2200mm 1406x2300mm 1406x2400mm 1406x500mm 1406x600mm 1406x700mm 1406x800mm 1406x900mm 1626x1000mm 1626x1100mm 1626x1200mm 1626x1300mm 1626x1400mm 1626x1500mm 1626x1600mm 1626x1700mm 1626x1800mm 1626x1900mm 1626x2000mm 1626x2100mm 1626x2200mm 1626x2300mm 1626x2400mm 1626x500mm 1626x600mm 1626x700mm 1626x800mm 1626x900mm 1846x1000mm 1846x1100mm 1846x1200mm 1846x1300mm 1846x1500mm 1846x1600mm 1846x1700mm 1846x1800mm 1846x1900mm 1846x2000mm 1846x2100mm 1846x2200mm 1846x2300mm 1846x2400mm 1846x500mm 1846x600mm 1846x700mm 1846x800mm 1846x900mm 2066x1000mm 2066x1100mm 2066x1200mm 2066x1300mm 2066x1400mm 2066x1500mm 2066x1600mm 2066x1700mm 2066x1800mm 2066x1900mm 2066x2000mm 2066x2100mm 2066x2200mm 2066x2300mm 2066x2400mm 2066x500mm 2066x600mm 2066x700mm 2066x800mm 2066x900mm 2286x1000mm 2286x1100mm 2286x1200mm 2286x1300mm 2286x1400mm 2286x1500mm 2286x1600mm 2286x1700mm 2286x1800mm 2286x1900mm 2286x2000mm 2286x2100mm 2286x2200mm 2286x2300mm 2286x2400mm 2286x500mm 2286x600mm 2286x700mm 2286x800mm 2286x900mm 2506x1000mm 2506x1100mm 2506x1200mm 2506x1300mm 2506x1400mm 2506x1500mm 2506x1600mm 2506x1700mm 2506x1800mm 2506x1900mm 2506x2000mm 2506x2100mm 2506x2200mm 2506x2300mm 2506x2400mm 2506x500mm 2506x600mm 2506x700mm 2506x800mm 2506x900mm

Voltage

24v DC

SV-R-L4 Datasheet

SCP500 – 5A AOV Smoke Control Panel

SCP500 AOV Control Panel (5 Amp) for the operation of 24V DC AOV or OV’s. Complete with Fire Alarm interface and 72 hour battery backup system as standard.

SCP800 – 8A AOV Smoke Control Panel

SCP800 AOV Control Panel (8 Amp) for the operation of 24V DC AOV or OV’s. Complete with Fire Alarm interface and 72 hour battery backup system as standard.

WSC 104 – WindowMaster Single Zone 4A AOV Control Unit

WindowMaster WSC 104 smoke control AOV panel (4 Amp) for control of ±24V DC Actuators for the function of smoke extraction combined with daily comfort ventilation.

WSC 310-PLUS – WindowMaster 10A AOV Smoke Control Panel

WindowMaster CompactSmoke WSC 310-PLUS Smoke Control AOV Panel 2 zone, 10 Amp for control of ±24V DC Actuators for the function of smoke extraction combined with daily comfort ventilation.

WSC 520 – WindowMaster FlexiSmoke 20A Smoke Ventilation Control Panel

WindowMaster WSC 520 Smoke Control AOV Panel for control of ±24V DC Actuators for the function of smoke extraction combined with daily comfort ventilation. Can be configured to operate up to 13 motorlines, with a 20 Amp max. motor load.

WSC 540 – WindowMaster FlexiSmoke 40A Smoke Ventilation Control Panel

WindowMaster FlexiSmoke WSC 540 Smoke Control AOV Panel for control of ±24V DC Actuators for the function of smoke extraction combined with daily comfort ventilation. Can be configured to operate up to 26 motorlines, with a 40 Amp max. motor load.

WSC 560 – WindowMaster FlexiSmoke 60A Smoke Ventilation Control Panel

WindowMaster FlexiSmoke WSC 560 Smoke Control AOV Panel for control of ±24V DC Actuators for the function of smoke extraction combined with daily comfort ventilation. Can be configured to operate up to 39 motorlines, with a 60 Amp max. motor load.

Natural Ventilation Smoke Ventilation

Key changes in the design of Smoke Ventilation with BS 9991:2024

The long-awaited BS 9991:2024 – Fire safety in the design, management and use of residential buildings, represents one of the most significant overhauls to residential fire safety in nearly a decade.

Smoke Ventilation

What is a Smoke Ventilation System and why every building needs one

During a fire, smoke moves rapidly through a building, making it one of the biggest threats to life and property. Smoke inhalation is the leading cause of fire-related deaths, which is why every building should have a smoke ventilation system to efficiently remove smoke and heat.

Manual Window Control Natural Ventilation Control

How many types of ventilation are there?

There are many types of ventilation, many of which are categorised as a form of smoke ventilation or natural ventilation. Providing buildings with ventilation controls is essential for complying with Approved Document B – Fire Safety, or Approved Document F – Ventilation of the UK Building Regulations.

Smoke Ventilation

Our quick guide to AOV window regulations

Natural Ventilation Control

How do electric window openers work

Generally, electric window openers, also known as electric window actuators, are operated remotely.

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