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Description

An extruded louvre system available in two discrete 75 mm pitch configurations for screening and rain defence applications.

General information
Size

As drawings

As schedule

Uniclass 2015
Louvre screen systems (Ss_25_50_45_45)Primary
Specification data - Louvre screen systems
Product Reference

Universal Louvre - E Series Extruded rain defence louvre

Size

As drawings

As schedule

Materials -
Finish

Mill finish aluminium

Anodised, Natural

Anodised, Anolok (bronze)

Anodised, Anolok II (blue/grey)

Polyester powder coated, BS

Insert requirement.

Polyester powder coated, RAL

Insert requirement.

Coverage

Not applicable

Total

All components, except insect mesh (mill).

Partial

Louvre blades and visible outer frames only.

Frame

Internal flange frame

Standard.

External flange frame

Guards

Bird guard

Expanded 1.2 mm aluminium 1050-H14 (opening size: SW = 12 mm, LW = 8 x 8 mm).

Fly guard

Aluminium.

Insect mesh [OS1]

Woven aluminium .

Ancillary items

None

Turret units

Circular panels

Triangular panels

Blanking panels

Not required

Single skin aluminium - mill finish

Single skin aluminium - polyester powder coated

Single skin aluminium - anodised

Standard product features

Type:

Static louvred.

Materials:

  • Extruded blades: Aluminium 6063-H T5.
  • All other components: Aluminium 3005 H14.
  • Anodising grade aluminium J57S.

Louvre blade pitch and angle:

75 mm at 45°.

Seals:

Not required.

Product Options

Product reference:

ERD - extruded rain defence louvre. A double ‘Z’ shaped blade offering excellent performance for normal weathered ventilation applications.

Finish:

Available in mill aluminium or polyester powder coating. Consult with Colt for availability of colours and to obtain samples.

Polyester powder coating coverage:

  • Total - All exposed surfaces and edges of components and assemblies are coated excluding fixings, rivets and insect guards.
  • Partial - Only external louvre blades, frames, corners and cills are coated, the remaining components are mill finish.

Frame:

The louvres are available with either an internal or external flange frame.

Guards:

- 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.

Fixing:

Consult with Colt for recommendations and details.

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