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NorDan N Tech Envrider Passiv Timber 988x1188 in
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One Tilt and Turn

This inward opening, tilt and turn window has an advanced, user-friendly locking mechanism. With a single handle and five locking points, the window can be easily used for ventilation and opening into the cleaning position so the external glass can be safely cleaned from the inside.

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With the right options
this product can reach
following parameters

Weather performance
› 197,5 mph

Burglar resistance
› ENV 1627-2, PAS24:2016

Life expectancy
› 60 years

Sound Reduction
› Rw + Ctr 38dB

› 0,8/0.9 Wm2/K


Material and Construction

Products are made from engineered pine, with external aluminium cladding being an optional extra. Windows and doors are available either double or triple-glazed and with various frame width options.

Weather Performance

Our windows are designed and tested to meet, and far exceed, British window performance standards. This is no surprise given the fact that our products were originally designed for the Norwegian market where severe winters, excessive wind and torrential rain are a common occurrence.

Heavy Weather Windows Doors

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Technical data
Glass (double) 6-16G-ES4
Glass (triple) 4ES+16G+4+16G+E4S
Exterior material Timber / Aluminium clad timber
Interior material Timber
Child safety Yes, optional
Escape route Yes, size permitted
Ventilation Yes
Timber protection Yes, vacuum impregnated
Ironmongery NorDan
Energy saving 0,7-1,2 W/m2K
Cleaning Cleaning from inside
Entry sound reduction Rw+Ctr 28 to 38
Fire resistance EI 30 (depending on size)
Watertightness Class 9A, EN 12208
Passive availability Yes
Frame width (105) 105 mm
Min Width (105) 488 mm
Max Width (105) 1 483 mm
Min Height (105) 488 mm
Max Height (105) 2 588 mm
Width + Height (105) Max: 3 888 mm
Sash weight (105) Max: 120 kg
Frame width (113) 113mm
Min Width (113) 488 mm
Max Width (113) 1 483 mm
Min Height (113) 488 mm
Max Height (113) 2 588 mm
Width + Height (113) Max: 3 888 mm
Sash weight (113) Max: 120 kg
Options and accessories


White (Standard)
NCS S 0502-Y

Jet Black
RAL 9005

Window Grey
RAL 7040

RAL 3011

Anthracite Grey
RAL 7016

Silk Grey
RAL 7044

Brilliant Blue
RAL 5007

Basalt Grey
RAL 7012

Grey Brown
RAL 8019

Moss Green
RAL 6005

Dusty Grey
RAL 7037

Nut Brown
RAL 8011

Oyster White
RAL 1013


Clear glass (standard)

Clear glass (standard)



Etched glass

Etched glass


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