Skip to content

ST90 Window Systems

ST90

Our ST90 window is our most thermally efficient window system producing whole window uw values as low as 0.084 Btu (th)/hour/foot²/°F. It is available with triple or quadruple glazing opportunities up to 2 7/16″ in thickness providing you with the ultimate acoustic performance, substantially reducing heat loss and noise pollution within work spaces or living quarters .

ST90 Window System - APA Facade Systems

ST90

Designed for The Ultimate Thermal Efficiency

Our ST90 window system is a leader in the evolution of fenestration systems. It has been specifically designed with the most up to date thermally conductive technology, producing whole window uw values as low as 0.084 Btu (th)/hour/foot²/°F, to meet the ever-increasing thermal efficiencies required by architects, design teams and their clients.

ST90 Window System - APA Facade Systems
ST90 Window System - APA Facade Systems
ST90 Window System - APA Facade Systems

Durability

Maintenence free life span of up to 30 years

Most of the components and materials used in our fenestration systems have been designed and selected for their end of life recycling capabilities and their durability. With a maintenance-free life span of up to 30 years, the ST90 window system is the perfect choice for the most demanding and desirable commercial, institutional and residential developments.

  • 3 9/16″ profile thickness.
  • Designed for the ultimate in thermal efficiency.
  • Whole window Uw value as low as 0.084 Btu (th)/hour/foot²/°F.
  • Evaluated and tested to the AAMA 101 standard for windows and doors, meeting the CW PG50 grade. 
  • Elements of the window were chosen for their end of life recycling.
  • Tested for smoke ventilation.
  • Single or dual color available.
  • Triple or quadruple glazing up to 2 7/16″ in thickness.
  • New low conductive polyamides used in the window assembly.

Casement

Our ST90 window system comes in a variety of opening possibilities including tilt & turn, awning, push out/in-swing casement or hopper window. Each one comes with a multi-point and wrap around locking system for added security. The versatility of the locking mechanism used in the ST90 window allows the designers to incorporate extra-large sashes in the building.

ST90 Casement Window - APA Facade Systems
ST90 Tilt & Turn

Tilt & Turn

The ST90 Tilt and Turn Window System is a great solution to areas of a facade that require ease of access for cleaning or maintenance. It is evaluated and tested to the AAMA 101 standard for windows and doors, meeting the CW PG50 grade. 

Eco-Friendly

The eco-friendly tag placed on the ST90 window system is derived from the use of recycled aluminum and polyamides. In many cases, our products can have up to 50% recycled materials used in their manufacture. The ST90 Window system should be the first choice for architects and designers who prioritize the protection of our environment.

Our Window Systems

  • ST60
  • ST70
  • ST70 HI
  • ST70 Concealed Sash
  • ST80
  • ST90
  • Life-Enhancing Window

View All Case Studies

APA Technical Library

You are about to be brought off site