Scandinavian AS4 Passive

Composite - Scandinavian AS4 Passive Windows

Our fully certified Passive House approved Scandinavian AS4 window system is available for projects where the highest levels of performance and specification is required. Boasting an incredible overall U-value of 0.68W/m2K together with incredible weather tightness. Available in aluclad (composite) only, this unique Scandinavian window system is protected by The International Registration Of Industrial Designs. Benefiting from an engineered timber profile internally and a maintenance free aluminium clad externally, together with tripe gaskets and a 50mm glazed unit you will be hard pressed to find a better performing window system.. Available in various outward opening configurations and designed to match your exact specifications the Scandinavian AS4 Passive window is suitable for private, domestic and commercial environments. Whatever the requirement you will be guaranteed against high humidity, dry conditions, severe rain and extreme temperatures.

Features & Benefits:

Profile & Appearance

  • Contemporary square profiles.
  • Maintenance free aluminium clad externally.
  • Timber frame - Manufactured from slow grown engineered knot free pine, class A1-A3.
  • No visible finger joints in timber
  • Other special timbers available upon request.
  • Slim consistent profiles and flush casements.
  • Fully customisable with matching products available.
  • Supplied factory assembled, finished & glazed.

Thermal Efficiency & Weather Tightness

Officially tested and certified to ensure they really do keep bad weather outside. 

  • Certified as Passive House Component by Passive House Institute in Germany
  • Centre pane of 0.53W/m2K = Overall U-Value of 0.68W/m2K.
  • Resistance to wind load Class 5C (EN 12210:2001).
  • Water tightness Class E1500 (EN 12208:2001).
  • Air permeability Class 4 (EN 12207:2000).
  • Acoustic performance tested at Rw=34dB. Further upgrades available.

A good U-Value does not mean a door keeps out the wind and the rain. Make sure you check out a doors weather test results before you buy.

Security

  • High security as standard.
  • Key locking handles available in varies styles. 
  • Flush casements.
  • Night vent locking position.
  • Child safety restrictors. 
  • Concealed hardware.
  • Security glass optional.  

Opening Types

Side hung window

  • Max 969 x 1699mm. Min width 650mm. Max casement weight 50kg.
  • Available as a double casement French window without a mullion
  • Suitable for fire escape openings.

Side projecting window

  • Max 869 x 1699mm. Min width 500mm. Max casement weight 50kg.
  • Concealed hinges to provide a modern look and increased security.
  • The casement projects to enable access for easy cleaning from inside.
  • Also available as a double casement French window without a mullion.
  • Available as an inward opening window.

Top projecting window

  • Max height 1569mm. Max width 1569mm. Min width 429mm. Max casement weight 60kg.
  • Concealed hinges to provide a modern look and increased security.
  • The casement projects to enable access for easy cleaning from inside.
  • Suitable for fire escape openings.

Top swing window

  • Max height 1626mm. Max width 1669mm. Min width 429mm. Max casement weight 60kg.
  • Ideal for maximum glass area and light.
  • Concealed hinges To provide a modern look and increased security.
  • The casement rotates by 180° to enable easy cleaning from inside, ideal for flats or high applications.

Fixed windows

  • Capable of large sizes.
  • Raked heads, triangular and circular windows available.

All frames are available with a choice of transoms, mullions, glazing bars, insulated panels and various sills.

Wide Range Of Finishes

Frames

  • Class A1-A3 engineered slow grown timber - No wood knots, no visible finger joints.
  • All timber parts are vacum impregnated using GORI treatment prior to finishing.
  • Aluminium clad externally finished in any RAL colour.
  • None toxic water based finishes only.
  • Choose from over 200 RAL paint colours.
  • Wood stain finishes also available.
  • Dual colour finish available (different internal and external colours).
  • Marine protection available.