Labyrinth Specification

Description

Clear opening natural louvred ventilator, for natural day to day ventilation.

Dimensions / size range

  • From 500mm throat width to 3750mm throat width in 1mm increments.
  • From 500mm to any length throat length in 1mm increments.

Shutter options

  • Without shutter
  • Pneumatically controlled shutter
  • Electrically controlled shutter

Acoustic options

  • Acoustic treatment of blades
  • Sound baffles fitted below unit

Colours/ finishes options

  • Mill finish
  • Polyester powder painted to a RAL colour, standard 75 mu

Fixing options

  • Roof
  • Wall
 
Wind load Varies with size and options, up to 1500 N/m²
Snow  load class Varies with size and options, up to 1000 N/m²
U value -
Aerodynamic coefficient Cv value from 0.2 – 0.4
Air permeability -
Water tightness -
Sound insulation (R’w) Depends on acoustic treatment Up to R`w(dB) 18.5