Skip to content

ST60 Window Systems


The ST60 window system incorporates a wide variety of styles to meet many project requirements such as tilt and turn, casement (push out/in swing), awning, hopper or parallel sash. All styles include multi-point locking for added security. The versatility of the locking system allows a design team to incorporate extra-large sashes into a facade or window.

ST60 Window system


3/8” Window System

Due to the carefully engineered design and the use of a polyamide core 15/16″ thick, the ST60 window delivers a thermally efficient solution to meet your project requirements.

With a glazing variance of 1 1/8” – 1 1/4“, the ST60 window can provide a cost-effective option for many projects from commercial to residential sectors.

ST60 Windows
ST60 Window system
ST60 Window system



By using interchangeable components within the ST window range such as cast aluminum corner and transom cleats, in situ chevrons and gaskets, this ensures an increase in the speed of fabrication and assembly whilst reducing stock levels and wastage.

  • Includes multi-point locking for added security.
  • Excellent thermal performance.
  • Eco-friendly polyamide core.
  • Glazing variants are 1 1/8” – 1 1/4“.
  • Identical sightlines throughout.
  • Can be pre-assembled in-house saving installation time/cost.
  • Available with single, dual color or anodized finish.
  • Polyester powder coating to ASTM 2604.
  • Matching rebate doors available.
  • Evaluated and tested to AAMA 101 for windows and doors, meeting the CW PG50 grade. 


The ST60 casement window system is available in a variety of sash types including tilt and turn, casement (push out/in swing), awning, hopper or parallel sash . Beaded internally or externally, all styles include multi-point locking for added security.

The ST60 casement window with its glazing variation of 1 1/8” – 1 1/4” provides a suitable panel infill room required to suit your projects’ thermal and acoustic requirements.

ST60 Casement
ST60 Tilt and Turn frame

Tilt & Turn

The ST60 Tilt & Turn Window System is an ideal solution to areas of a facade that require ease of access for cleaning or maintenance.

The window’s durability and performance characteristics regarding acoustics and weather tightness meet with the highest AAMA standards and are all independently tested by an ASTM approved and certified facility.

With a glazing variant of 1 1/8” – 1 1/4“, the ST60 high-performance window range is a highly popular and cost-efficient option suitable for all types of construction from residential to commercial and from education to healthcare.

Parallel Sash

Our ST60 parallel vent provides efficient natural ventilation to your building. The rate of air exchange can be controlled through its variable opening widths.

Providing an elegant visual effect, the ST60 parallel vent does not take up any room inside.

ST60 Parallel Vent frame

Our Window Systems

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

View All Case Studies

The Roy - Halifax

The Roy

The Roy Halifax, Nova Scotia, Canada The Brief APA Facade Systems recently completed works

Read More

APA Technical Library

You are about to be brought off site