Summary
Standard external weather louvre, providing good resistance to rain ingress with minimal obstruction to airflow.
Standard external weather louvre, providing good resistance to rain ingress with minimal obstruction to airflow.
Standard external weather louvre, providing good resistance to rain ingress with minimal obstruction to airflow.
Application
Suitable for external use.
Suitable for external use.
Suitable for external use.
Description
Series WL standard weather louvres are the standard weather louvre used in many installations throughout the world. They provide good resistance to rain ingress in normal conditions with minimal obstruction to airflow. The WL louvres are available in three formats to suit any size installation.
Series:
WL38: 40 mm blade pitch (for units up to 1 x 1 m nominal size).
WL50: 50 mm blade pitch (recommended for units up to 2 m²).
WL75: 75 mm blade pitch (recommended above 2 m²).
Features and benefits:
- Standard range of single bank louvres as used in countless installations worldwide.
- Good resistance to water ingress, with low resistance to airflow.
- All WL types have a single bank of blades with a 45° face for good levels of rain resistance in the majority of conditions.
- Polyester powder coating to the full range of RAL and BS colours.
- Available with burglar/ security bars.
Series WL standard weather louvres are the standard weather louvre used in many installations throughout the world. They provide good resistance to rain ingress in normal conditions with minimal obstruction to airflow. The WL louvres are available in three formats to suit any size installation.
Series:
WL38: 40 mm blade pitch (for units up to 1 x 1 m nominal size).
WL50: 50 mm blade pitch (recommended for units up to 2 m²).
WL75: 75 mm blade pitch (recommended above 2 m²).
Features and benefits:
- Standard range of single bank louvres as used in countless installations worldwide.
- Good resistance to water ingress, with low resistance to airflow.
- All WL types have a single bank of blades with a 45° face for good levels of rain resistance in the majority of conditions.
- Polyester powder coating to the full range of RAL and BS colours.
- Available with burglar/ security bars.
Series WL standard weather louvres are the standard weather louvre used in many installations throughout the world. They provide good resistance to rain ingress in normal conditions with minimal obstruction to airflow. The WL louvres are available in three formats to suit any size installation.
Series:
WL38: 40 mm blade pitch (for units up to 1 x 1 m nominal size).
WL50: 50 mm blade pitch (recommended for units up to 2 m²).
WL75: 75 mm blade pitch (recommended above 2 m²).
Features and benefits:
- Standard range of single bank louvres as used in countless installations worldwide.
- Good resistance to water ingress, with low resistance to airflow.
- All WL types have a single bank of blades with a 45° face for good levels of rain resistance in the majority of conditions.
- Polyester powder coating to the full range of RAL and BS colours.
- Available with burglar/ security bars.
Color
Grey, Other
Grey, Other
Grey, Other
Finish
Mill, Powder-coated
Mill, Powder-coated
Mill, Powder-coated
Material
Aluminium
Aluminium
Aluminium
Shape
Rectangle, Square
Rectangle, Square
Rectangle, Square
Length
Bespoke
Bespoke
Bespoke
Width
Bespoke
Bespoke
Bespoke
Height
Bespoke
Bespoke
Bespoke
Warranty description
One year
One year
One year
SKU Code
WL38, WL50, WL75
WL38, WL50, WL75
WL38, WL50, WL75
Specification
Classification data
Size (l x w x d)
Bespoke.
Bespoke.
Bespoke.
Material
Extruded aluminium.
Extruded aluminium.
Extruded aluminium.
Finish
Milled., Polyester powder coating., Satin anodized (AA5).
Milled., Polyester powder coating., Satin anodized (AA5).
Milled., Polyester powder coating., Satin anodized (AA5).
Colour
Grey (mill)., RAL colour., BS colour., Grey (anodized).
Grey (mill)., RAL colour., BS colour., Grey (anodized).
Grey (mill)., RAL colour., BS colour., Grey (anodized).
Construction
Flanged frame., Recessed frame., Reversed frame.
Flanged frame., Recessed frame., Reversed frame.
Flanged frame., Recessed frame., Reversed frame.
Air intake and exhaust performance
-
-
-
Application
Intake and extract.
Intake and extract.
Intake and extract.
Weather performance
-
-
-
Water penetration class (minimum)
To BS EN 13030, Class C and D.
To BS EN 13030, Class C and D.
To BS EN 13030, Class C and D.
Discharge loss coefficient (minimum)
To BS EN 13030, Class 3.
To BS EN 13030, Class 3.
To BS EN 13030, Class 3.
Louvre configuration
-
-
-
Blade orientation
Horizontal.
Horizontal.
Horizontal.
Blade pitch
40 mm.
50 mm.
75 mm.
Blade angle
Fixed.
Fixed.
Fixed.
Accessories
Not required., Bird mesh (BM)., Insect mesh (IM)., Vermin mesh (VM)., Burglar/ security bars (BB)., Rear mounted drip tray (DT)., Combination units.
Not required., Bird mesh (BM)., Insect mesh (IM)., Vermin mesh (VM)., Burglar/ security bars (BB)., Face mounted drip cill (DC)., Rear mounted drip tray (DT)., Combination units.
Not required., Bird mesh (BM)., Insect mesh (IM)., Vermin mesh (VM)., Burglar/ security bars (BB)., Face mounted drip cill (DC)., Rear mounted drip tray (DT)., Combination units.
Additional properties
Flanges
Not required., 30 mm flat flange (30FW)., 25 mm flat flange (25F)., 50 mm flat flange - shallow (50FS)., 3” (76.2 mm) flat flange (3” x 2” x 1/8”)., 4” (101.6 mm) flat flange (4” x 2” x 1/8”).
Not required., 30 mm flat flange (30FW)., 25 mm flat flange (25F)., 50 mm flat flange - shallow (50FS)., 3” (76.2 mm) flat flange (3” x 2” x 1/8”)., 4” (101.6 mm) flat flange (4” x 2” x 1/8”).
Not required., 50 mm flat flange - deep (50FD)., 3” (76.2 mm) flat flange (3” x 3” x 1/8”)., 4” (101.6 mm) flat flange (4” x 4” x 1/8”).
Fixings
Not required., Pre-punched face fixing holes (FH)., Rear mounted fixing lugs (RFL)., Glazing bar (GZ).
Not required., Pre-punched face fixing holes (FH)., Rear mounted fixing lugs (RFL)., Glazing bar (GZ).
Not required., Pre-punched face fixing holes (FH)., Rear mounted fixing lugs (RFL)., Glazing bar (GZ).
Mass
12 kg.
12 kg.
15 kg.
Free area
Approx. 50%.
Approx. 50%.
Approx. 50%.
Sustainability data
Country of product manufacture
United Kingdom
United Kingdom
United Kingdom