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Coltlite natural louvred ventilator

Coltlite is a natural louvred ventilator suitable for natural day-to-day building ventilation, as well as smoke control. Most variants conform to both EN 12101-2 as smoke ventilators and EN 14351-1 as natural ventilators. All products are CE marked. It can provide inlet and extract ventilation as well as the entry of natural daylight for most kinds of industrial and commercial buildings. It achieves high acoustic, thermal and aerodynamic performance. It is suited for installation into the façade.

Coltlite CLET

Coltlite CLET is a natural louvred ventilator for flush design without louvre frames and high wind load. 

Detailed Description

47mm wide thermally broken extruded aluminium outer frames, frame face width 40mm. Frameless controllable louvres with 38 mm deep thermally broken aluminium extrusion with optional additional insulation.

Dimensions / size range

From 300mm to 2000mm in width, and from 270mm to 4320mm.

Frame

Thermally broken, 47mm deep

Louvres

Thermally broken aluminium extrusion with optional additional insulation. 38mm thick (43mm overall dimension)

Blade Pitch

225mm with central pivot point.

Colours/ finishes options

  • Polyester powder paint to a RAL colour, standard 60 mµ
  • Anodised, standard 20 mµ

Fixing options

  • Fixing to curtain walling using separate adaptor
  • Fixing to structural opening using either through frame or strap fixings.

Controls options

  • Lever
  • 230 volt AC actuator
  • 24 volt DC actuator

The positioning of the frame-mounted actuator (hidden behind side frame profile) depends on the type of actuator selected. It is installed on either side frame (on the left or right) and with a typical operation time of 20-60 seconds. With electric versions there is an optional device to reduce the speed and force of the closing louvres in order to reduce the risk of finger trapping.

Performance

The following performance attributes follow tests to EN 14351-1:2006 (the standard for windows and doors). The exact performance attribute will depend on the chosen size, controls, and louvre type.

  • Air permeability Class 2
  • Water tightness Class 4A
  • Resistance to wind class C5
  • U value ≥ 1.98

Compliance

Tested to EN 14351-1:2006 as a window.

Please contact us for more information relating to the application, specification, installation and servicing of this product.

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