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Structural casement 4-1/2 Aluminum combo (BS-4500A)

Structural casement 4-1/2 Aluminum combo (BS-4500A)

PVC-aluminum casement window, 4 ½" structural frame with PVC interior and aluminum exterior

5 choice of colors in inventory; white, khaki, clear anodised, commercial brown and black


  • PVC combined with an exterior aluminum extrusion providing maximal rigidity
  • Fusion welded corners for better sealing and effectiveness;
  • Multiple air chambers profiles for optimal thermal insulation;
  • Profiles developed with powdered PVC compound which gives a high gloss finish and reduces the adhesion of dirt;
  • Triple weather-stripping positioned on the sash for maximal air and water tightness, of black color for minimal maintenance;
  • Cavities for interior finishing of ½" and ¾", integrated to the frame;
  • Water evacuation without any caps or apparent holes;
  • Easy to remove interior screens made of fiberglass mesh and enamelled aluminum frames;
  • Dual mechanism with rounded forms on window of 24" and more;
  • Multipoint locks with rounded forms;
  • Stainless steel hinges;
  • All screws made of stainless steel.


A440-00 Standards

  • Air infiltration: A3
  • Water infiltration: B7
  • Wind load: C5
  • Break in: F20



  • Double Thermos, Low-E HER 80/70  RE-30 Zone 1-2 – FMX-M-9-00001-00001
  • Double Thermos, Low-E HER 80/70-CARR -  RE-28  Zone 1 – FMX-M-9-00001-00002
  • Triple Thermos RE-27 Zone 1 – FMX-M-9-00002-00001
  • Triple Thermos - CARR - RE-23 None  – FMX-M-9-00003-00001
  • Triple Thermos, Low-E HER 80/70 RE-33 Zone 1-2 – FMX-M-9-00004-00001
  • Triple Thermos, Low-E HER 80/70 – CARR - RE-30 Zone 1-2 – FMX-M-9-00005-00001
  • Thermos triple, Double Low-E HER 80/70 RE-37 Zone 1-2-3 – FMX-M-9-00006-00001
  • Thermos triple, Double Low-E HER 80/70 – CARR - RE-34 Zone 1-2-3 – FMX-M-9-00007-00001

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