Roof Louvre Blade - Residential (RLB-R)
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Roof Louvre Blade – Residential (RLB-R) louvre smoke vent and air supply units are used in natural smoke and heat exhaust ventilation systems. Mounted on roofs, louvre smoke vents exhaust smoke and heat from a building, allowing low level escape routes to be kept clear of smoke. RLB-R are fully certified to BS EN 12101-2. They are particularly suited to residential and institutional buildings and may also provide natural comfort ventilation.
They are available in a wide range of sizes and types of upstands. They may be installed at any angle from 0 to 90°, but are generally installed horizontally and supplied with aerodynamic wind shields as standard. They consume minimal energy during the opening and closing cycle and have high resistance to weather and are therefore suited for use on exposed and high wind areas. They provide good security, are impact resistant and do not create a fall hazard when open.
- Certified to BS EN12101-2
- Available in a wide range of sizes and options from 966 x 500mm to 3826 x 2400mm
- Impact-resistant to EN 1873 1200 Joules
- Available with solid insulated aluminium blades
- Opening to 90° within 60 seconds
- Consume minimal energy during operation
- High resistance to weather and wind load
- When open they are not a fall hazard
- Actuator contains open/close end switches
- 1A 24V DC actuator (larger sizes have tandem actuators)
See U-Value Performance data sheet here.
Uninsulated base units are not compatible with projects needing to meet Approved Document L2 Table 4.1.
Insulated base units conform to Approved Document L2 Table 4.1, providing a U-Value <3.0W/(m²·K).
Water tightness to EN 1873: Pass
Impact resistance to ACRM: Class B
Voltage: 24V DC
Current (with load): 1A or 2A (depending on size)
Opening Angle: 90°
Ambient Operating Temperature: -25°C / +70°C
Speed: 3.4mm/sec
Protection Degree: IP40
Force: 900N
Downward Load: 250N
Upward Load: 1500N
Resistance to Heat: B 300
Low Ambient Temperature: -25°C
Reliability: 1000
Impact Resistance: Class B
Fire Rating: AA
Water Tightness: Pass
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The RLB-R was tested using wind baffles/deflectors and lifting eyes to establish the aerodynamic free areas provided.
No, our units are equipped with power-open and power-close actuators.
Yes, the RLB-R can be installed indoors as part of a façade setup.
While it is possible to install the RLB-R in a façade setup (FLB-R), it is not advisable to install it in a curtain walling system due to aesthetic considerations. However, it can include an additional cill detail.
The minimum collar dimensions are 50mm on each side.
No, the units have a small lip designed for the flange/collar to fit onto the upstands, making removal not possible.
Currently, intumescent painting is not provided.
Yes, it is currently possible to remove the glass and polycarbonate glazing from the outside by taking off one wind baffle and unclipping the glazing bead. We are considering solutions for the solid cover.
Our insulated base units meet the U-Value requirement. However, our uninsulated base units do not comply with projects needing to adhere to Approved Document L2 Table 4.1.
We do not manufacture burglar bars for the RLB-R, as they cannot be fitted through the blades.
We do not recommend installing permanent ladders on our RSL-R, RLB-R, or other smoke vent models, as they may impact the aerodynamic and free areas, potentially affecting performance.
Installation Instructions
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