NorDan | Side hinged double frame w/sec. sash

This website uses cookies. Learn more

×
Homeowner Professional
Trustpilot

Exceptional Windows for Energy Efficiency & Longevity
Explore our range of timber-aluminium windows that offer superior insulation, durability, and aesthetic appeal.

All windows
All windows
Residential windows 2

NTech

Fcab57281168676431d0a403951baa0e

SoundGuard

30ywarranty 1

StormGuard

Security, Style & Strength in Every Door
From high-performance entrance doors to sliding and fire resistance, our doors redefine safety and elegance.

All doors
All doors
Glassdoors Nordan

Glazed Doors

Homeguard Doors Collection

HomeGuard

Nordan Secure Door Fire

FireGuard

A Legacy of Innovation & Quality Since 1926
For nearly a century, NorDan has been at the forefront of window and door innovation, combining Scandinavian craftsmanship with cutting-edge technology.

Who We Are
Who We Are
930f0fcc138617f5581280f836059503

Careers

Getty Images 1271122894

Sustainability

ST blog 250522

Production

Windows
NTech SoundGuard StormGuard View All
Doors
Glazed Doors HomeGuard FireGuard View All
About
Careers Sustainability Production View All
Blog
StormGuard
Get Inspired
Get a Quote
Get a Quote
Visit Showroom Brochures Advice & Installation Contact Us
Kvillsfors dubbelfönster utangångjärn
Kvillsfors dubbelfönster utangångjärn
Kvillsfors dubbelfönster utangångjärn
Show Inside
Show Inside
Windows
NTech
Side hinged double frame w/sec. sash

Side hinged double frame w/sec. sash SoundGuard

SoundGuard: Side hung double frame w/sec. sash with aluminium cladding. The double frame window has a large air gap between the outer and inner window sections the overall width of this product is 250mm. The window construction is made up of a single-glazed external section a double-glazed inner window (2+1) and a single glazed side hung internal frame.The deep construction is adapted for extremely noisy environments.
More info
Get a quote
Get a quote
Book a showroom visit
Book a showroom visit
Product Info Technical data Documents Options & accessories

Quick Guide Product Performance

U-Value
› 0.8 Wm²/K

Noise reduction
› Rw 60 dB

› Internally beaded

› Deep Impregnated timber

› FoX Treated Aluminium

Get a quote
Get a quote
Book a showroom visit
Book a showroom visit
Technical Specification Product Features Measure Aluclad

Glass

 6mm float + D4-16 energy argon VK + 4mm float

External material

 Aluminium

Internal material

 Timber

Child safety

 Yes

Escape route

 Yes

Burglar resistance

 No

Timber protection

 Yes, vacuum impregnation

Ironmongery

 Siegenia

Combination option

 No

Blinds

 Yes, as an option

Energy saving

 U-value: 0,8 Wm²/K

Cleaning

 Clean from the inside

Sound reduction

 Rw 57 dB / Rw+Ctr 45 dB

Watertightness

 Class 9A, according to EN 12208

Passive availability

 No

Frame depth

 250 mm

Min Width

 400 mm

Max Width

 1280 mm

Min Height

 480 mm

Max Height

 2470 mm

Weight

 Max:90 kg
colour chart glass types

White Aluminium

Only availiable for alu-clad products
RAL 9006

Grey Aluminium

Only availiable for alu-clad products
RAL 9007

White (Standard)

NCS S 0502-Y

Black

NCS S 8500-N

White

NCS S 0500N

Oyster White

RAL 1013

Jet Black

RAL 9005

Basalt Grey

RAL 7012

Window Grey

RAL 7040

Dusty Grey

RAL 7037

Anthracite Grey

RAL 7016

Umbra Grey

RAL 7022

Black Grey

RAL 7021

Slate Grey

RAL 7015

Silk Grey

RAL 7044

Traffic Grey B

RAL 7043

Grey Brown

RAL 8019

Red

RAL 3011

Nut Brown

RAL 8011

Brilliant Blue

RAL 5007

Moss Green

RAL 6005
Clear

Clear glass

Cotswold

Cotswold glass

Etched

Etched glass

Nor Dan Glass Altdeutsch

Altdeutsch Glass

SoundGuard Windows

Material Construction

Products are made from engineered pine, with external aluminium cladding optional. Windows and doors are double-glazed. Custom transoms, mullions, and glazing bars can be supplied.

Measurement

The products can be manufactured to you bespoke sizes as per project requirements.

Frame Depth

Kvillsfors Double frame has an overall width of 250 mm.

Related Products

Need help with something?

Useful links

Customer Service

There is a lot to consider when choosing new windows and doors from NorDan. At our customer service centre, you will find what you need to be a little more prepared both before and after the delivery of your windows.
Explore
Explore

Warranty & claims

NorDan provide products of highest quality. Should there still be something wrong with a product purchased, please contact your nearest sales office or raise an issue with the below tab.
Explore
Explore

Maintenance

NorDan windows and doors are designed for durability and low maintenance. To maximise your investment, follow our simple maintenance tips to keep them performing at their best for years to come.
Explore
Explore

Hardware department

NorDan's Hardware department, based in Aberdeen, offers a wide range of products, with the goal of delivering hardware orders to mainland UK sites within 48 hours of the order is placed.
Explore
Explore
5 1

showrooms

visit a showroom near you

If you’d like to visit a showroom near you, just let us know and we’ll be happy to book you in

Sustainable

Honest

Action Orientated

Results Driven

People Focused

Perfekt Samspill

Sustainable

Honest

Action Orientated

Results Driven

People Focused

Perfekt Samspill

Sustainable

Honest

Action Orientated

Results Driven

People Focused

Perfekt Samspill

Sustainable

Honest

Action Orientated

Results Driven

People Focused

Perfekt Samspill

Engineering Excellence. Built for the Future.

Your project deserves more than just windows—it deserves NorDan.

Get a quote
Get a quote
Download Brochures
Download Brochures

Windows

Doors

Company

Technical

Bluesky square
GSB Square
SBD Square
Achilles square
Bba aquare
Swan mark
CE mark
Pefc
UKCA
© 2025 NorDan UK
Cookies &
 Privacy Policy
Anti Slavery Policy
Trustpilot
Web Design Agency
MadeByShape