77IW Open-In Window

CATEGORY

Windows

Description

Modern contemporary styles and a wide variety configurations delivering high levels of thermal performance through incorporating technologies such as high performance polyamides, insulated centre seals and profile foam insertions. The 77IW system also fully integrates with our curtain walling and door systems.

The 77IW maintains outstanding performance, achieving remarkably low U-values of just 1.2 Uw with double glazing and 0.8 Uw with triple glazing.

77IW Data sheet

Click this link to access the NBS Chorus page for this product and specify it for your project:

NBS 77IW

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  • OVERVIEW
  • TECHNICAL DATA
  • DOWNLOAD COLLATERAL

Design features

  • High levels of thermal performance
  • Multi chamber polyamide thermal breaks, insulated centre seals and foam insertions provide excellent performance
  • Integrates with AluK curtain wall and door systems

Options

  • Wide variety of configurations
  • Available in single or dual colour options, including anodised finishes
  • Range of locking options with patented AluK Groove

Application type

Ideal for residential and commercial applications incl. houses, apartments, villas, public buildings, hospitals, schools and industrial buildings.
New/refurbishment.

  77IW - Open in
Performances
U value W/m²K (Double glazing) : 1.2 W/m²K
U value W/m²K (Triple glazing) : 0.8 W/m²K
Uf value W/m²K : 1.4 W/m²K
BRE Green Guide rating : A, B Rated
Air tightness (Pa) : Class 4 (600 Pa)
Water tightness (Pa) : E1200 (1200 Pa)
Wind load (Pa) : C5 (2000 Pa)
Security PAS 24 : PAS 24 & SBD
Certifications : Q-mark
Secured by design : X
Configurations
Tilt & turn : X
Top hung : -
Side hung : X
Bottom hung : X
Punched openings : X
Triple glazing : X
100 mm restriction : X
Size limits
Side hung (max weight) : 100 Kg
Bottom hung (max weight) : 60 Kg
Features
Dual color option : X
Multi-point locking : X
Locking handle : X
Folding opener : -
Trickle ventilation : X