DK88 wooden window (3-glazing)

Product code: DK88

Standard Configuration

Passive housePassive house

Additional Options

Sound protection solutionSound protection solution
Fire ratedFire rated
Sun protectionSun protection
near zero energy homenear zero energy home
PAS24 solutionPAS24 solution

Note: U-value (0.60 – 1.2) indicates thermal transmittance of window. Smaller value equals better thermal insulation.



Sound Insulation Rw = 34 dB (-2;-5) - with standard glasses
Frame Depth 88 mm (121 mm with alucladding)
Material of Sash and Frame Glue-lam pine; quality class A1-A3
Glazing 50 mm 3-glazing, two Low-E glasses and argon filled
Hardware ROTO; Hoppe handle
Aluminium Cladding Optional external alucladding
Thermal transmittance Uw = 0,74 W/m²K (1,23 x 1,48 m opening standard window)
Number of sash gaskets 2 sash gaskets
Color of sash gaskets White, grey, beige, brown

Tilt and turn opening:
Sash: W 394-1704 mm x H 500-2572 mm

Turn opening (sidehung): 
Sash: W 394-1704 mm x H 500-2572 mm

Tilt opening: 
Sash: W 414-2054 mm x H 412-1322 mm

Tilt before turn opening: (i.e TBT): 
Sash: W 394-1704 mm x H 500-2572 mm

Turn opening
Tilt opening
Tilt and turn opening
Fixed light
Fixed light
Multi light (mullions and transoms)
Multi light (mullions and transoms)

Material of frame and sash

Glue-lam pine, Nordic timber quality class A1-A3


Teknos Aquatop and/or VRC

varvikaart 300px

RAL; NCS and translusent systems:



Additional option

Low threshold balcony door

weser pakk seest 150px weser pakk valjast 150px
View from inside View from outside



Glasing options

Click on the picture below to browse for more:

glazing options 1

Glazing bar options

COPY of DK88 aken 03 small COPY of DK88 puitaluaken 03 small

Selection of handles


Hoppe London 013S U34 kroomsatiin 200px Hoppe London 013SV U34 hõbedane 200px  Hoppe London 013 U34 kuldne 
Hoppe London 013S-U34 chromium satin  Hoppe London 013SV-U34 silver Hoppe London 013-U34 golden

Hoppe Tokyo 0710S U26 kroom 200px

Hoppe Tokyo 0710SV U26 kroomsatiin 200px

Hoppe Tokyo 0710 U26 messing 200px
Hoppe Tokyo 0710S-U26 chromium Hoppe Tokyo 0710SV-U26 chromium satin Hoppe Tokyo 0710-U26 champagne

Window boards

Fiber boards:      
Aknalaud A1.0 valge150px
Aknalaud A1.1 valgeH135px
Aknalaud A2.0 valge150px
Aknalaud A2.1 valgeH135px
A 1.0 A 1.1 A 2.0 A 2.1
Aknalaud A3.0 valgeH135px
Aknalaud A3.1 valge150px Aknalaud A4.0 valge150px
Aknalaud A4.1 valge150px
A 3.0 A 3.1 A 4.0 A 4.1
Wooden boards:      
Aknalaud A1.0 150px Aknalaud A1.1 150px Aknalaud A2.0 150px Aknalaud A2.1 150px
A 1.0 A 1.1 A 2.0 A 2.1
Aknalaud A3.0 150px Aknalaud A3.1 150px Aknalaud A4.0 150px Aknalaud A4.1 150px
A 3.0 A 3.1 A 4.0 A 4.1


Fly screens

Standard fly screen material is dark fiberglass mesh:

default flyscreen 250px

Standard fly screen

Illustrations below introduce different types of fly screens applicable for DK88 window and also alternative material solutions for the screens:


DK88 fly screen types:

002 Alumiinium putukavork tihvtidel 200px 001 Alumiinium putukavork hingedel 200px 009 Varvinaidised 200px
Aluminium screen Aluminium screen on hinges Aluminium color options

NB! For intward opening windows fly screens are fixed inside the frame in front of the sash or on the external side of frame - thus there must remain sufficient space for the screen frames. Please discuss with the sales representative any further, more detailed quiestions!


Click on the picture below to browse different net materials:

flyscreens gallery 480px


For houses with high energy efficiency Viking Window has developed inward opening 88 mm window with thermal transmittance Uw = 0,74 W/m²K

Glazing units and hardware:

Viking DK88 windows are equipped with the Argon filled insulated glazing unit with two low-E glasses (Planitherm One) and SGG Swisspacer Ultimate warm edge solution; Ug = 0,47 W/m²K. It has ROTO hardware and Hoppe handles and optionally one can choose version with concealed hinges.

Available as timber or aluclad window. Opening types are illustrated by DK13 window animation.


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