AWS 90.SI+

Maximum Insulation in Aluminium Window Design

AWS 90.SI+ is a high performance aluminium window system that sets new standards in energy efficiency and sustainability. With a 3 1/2″ profile depth, it delivers outstanding thermal insulation values, passive house certification, and sleek architectural design, making it ideal for projects that demand premium aesthetics and top tier performance.

Planning Benefits

Passive House Certified: Exceptional thermal insulation for ultra low energy buildings.

Sustainable Construction: Aluminum system designed with energy efficiency and long term value in mind.

Slimline Design: Narrow face widths maximize transparency and natural light.

Architectural Flexibility: Wide range of opening types, combinations, and design variations.

Enhanced Comfort: Excellent acoustic insulation and superior airtightness.

Durability & Security: Robust aluminium construction with advanced locking systems.

Advantages of the system in brief:

AWS 90.SI+ SYSTEM
TYPE
WINDOWS
Materials
Aluminum
U Value
0.12 Btu (th)/h·ft²·°F
System Depth:
3 1/2"
Visible Frame Width:
2 3/16"
Visible Sash Width:
1 3/8"
Height and Width of units
(Varies sizes made to order)
Available Sash Operations
Tilt and Turn, Awning, Outswing Casment, Tilt and Slide
Single, Double, or Triple Glazing available
Double, Triple
Max IGU Thickness
2 11/16"