Aluminum 400 Series

Aluminum 400 Series Windows in Vancouver

The 400 Series of windows is designed according to rainscreen principals. When you choose our aluminum windows in Vancouver and area, you gain superior water proofing for your mid- or high-rise commercial building. Perfect for use on both new constructions and replacement applications, these aluminum windows use technology widely recognized as the most effective means of water proofing conventional buildings.

Standard Features

Main Frame

  • 101.6mm deep, drained and pressure equalized
  • T6 extruded aluminum
  • 32mm Polyamide strut thermal break
  • Butt joints sealed with composite gaskets


  • 76.2mm deep, drained and pressure equalized
  • T6 extruded aluminum
  • 32mm Polyamide strut thermal break
  • Mitred joints sealed with small joint sealant
  • Heavy duty stainless steel hinges (5/8” stack)
  • Twin Santoprene bulb seals


  • Clear/ Argon/ Low-E to meet wind load
  • Interior glazed
  • T6 extruded aluminum glazing stops
  • Polyshim II butyl architectural glazing tape
  • Triple finned Santoprene primary air seal gasket (heel bead)

Distinct Advantages

  • T6 tempered aluminum frame – stronger and less conductive than T5
  • 3/4” low profile main frame maximizes daylight through fixed glazing while 4” depth assures structural integrity
  • Sash glazing is on a consistent plane with fixed glazing for uniform appearance of reflective surfaces
  • Main frame corners are square cut and butt jointed for a stable connection
  • Butt joints are sealed with composite die cut gaskets engineered to conform to both the smooth surface of the vertical member and the profiled end of the horizontal
  • POLYshim II glazing tape – Cross linked butyl with continuous integral EPDM shim
  • Thermally improved uPVC ‘step up’ extender eliminates thermal bridging at sash
  • Low-E/ Argon Insulated Glazing Units (IGUs) are composed of 2 sheets of glass separated and sealed with ‘warm edge’ Superspacer
  • Bi-coloured frames allow creative exterior colour schemes combined with conservative interiors as desired. AAMA 2605 (out) 2603 (in)
  • Windows are interior glazed for easy maintenance and true rainscreen performance
  • Triple finned Santoprene air barrier gasket with interlocking (non-mitred) corners for a secure, structural seal
  • Pressure equalized glazing cavity floor is depressed and sloped to protect the air barrier gasket and expel incidental moisture in the unlikely event of a watershed breach
  • Twin Santoprene bulbs preserve the integrity of the air barrier at the sash interface
  • Interior glazed sash is mounted to the main frame with serviceable fasteners which are driven through a channel inboard of the air barrier (Any penetration of the main frame below the sash creates a potential pathway for water ingress)
  • Systemwide 32mm Polyamide struts are positioned in the same plane as the IGU providing optimal thermal separation


These energy efficient frames, combined with high performance Low-E coatings and inert gas ‘fills’, achieve U-factors compliant with the BC Energy Efficiency Act (referencing NFRC-100). Water and air management as well as structural integrity is tested in accordance with NAFS, AAMA/WDMA/CSA 101/I.S.2/A440-08.


Differentiators for the Aluminum 400 Series

In preventing water ingress and the resulting damage, a true rainscreen window incorporates four critical barriers: vapour, air, water shedding and exterior moisture. The vapour and air barriers work in concert to limit the condensation of interior generated moisture while the water shedding and exterior moisture barriers prevent water penetration from outside. A pressure equalized cavity separates the water shedding and exterior moisture barriers to expel incidental moisture and reduce the pressure differential across the exterior moisture barrier.

Thermal performance of these aluminum windows has been maximized through current thermal break technology. 32 mm Polyamide struts are optimally located within perimeter and sash framework to greatly limit conductive energy transfer. Individual windows may move independently of not only each other, but also interfacing envelope materials and structural elements.