An extruded aluminium, single bank louvre system for screening and rain defence applications.
An extruded louvre system available in two discrete 75 mm pitch configurations for screening and rain defence applications.
[Finish, Available in mill aluminium or polyester powder coating. Consult with Colt for availability of colours and to obtain samples]
L10/490 Roof ventilators
L10/650 Metal louvres
Universal Louvre - E Series Extruded rain defence louvre
Mill finish aluminium
Anodised, Anolok (bronze)
Anodised, Anolok II (blue/grey)
Polyester powder coated, BS
Polyester powder coated, RAL
All components, except insect mesh (mill).
Louvre blades and visible outer frames only.
Internal flange frame
External flange frame
Expanded 1.2 mm aluminium 1050-H14 (opening size: SW = 12 mm, LW = 8 x 8 mm).
Insect mesh [OS1]
Woven aluminium .
Single skin aluminium - mill finish
Single skin aluminium - polyester powder coated
Single skin aluminium - anodised
Standard product features
Louvre blade pitch and angle:
75 mm at 45°.
ERD - extruded rain defence louvre. A double ‘Z’ shaped blade offering excellent performance for normal weathered ventilation applications.
Available in mill aluminium or polyester powder coating. Consult with Colt for availability of colours and to obtain samples.
Polyester powder coating coverage:
The louvres are available with either an internal or external flange frame.
- Bird guards:
Available in aluminium, galvanised steel or stainless steel.
- Insect mesh:
When guards are used, the louvre design should allow for additional resistance to airflow and reduced flow rate performance.
Consult with Colt for recommendations and details.
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