NEW – FiberWall™ 458 Operator


The Next Generation

Transparency is the word of this architectural era. Stunning buildings are created with glass walls and expansive views, bringing the outside in. Natural lighting is easily accessible. The challenge lies in harnessing fresh air without interrupting the view. Casements and Awnings have always had limiting size restrictions. Until now.

The next leap in venting technology – BIGGER and BETTER


  • Engineered to meet the increasing demand for extra-large Casements and Awnings
  • Robust 4 5/8″ frame (40% deeper)
  • Stronger sash supports oversized triple pane glazing
  • Heavy-duty steel roller hinges
  • Triple set of weatherstripping with advanced compression
  • Design targeted at achieving leading edge air, water and structural performance
  • Glazing pocket accommodates architectural glazing configurations up to 2″ OD
    • Achieve up to R-20 centre-of-glass


  • Easily couples with 458 FiberWall™ Fixed Series for dramatic walls of glass
  • Uniquely couples with FiberWall™ 458 Swinging Doors
    • Operable casement sidelites
    • Operable awning transoms
  • Elevated performance in air, water and structural

Visit Casements & Awnings to explore Options and Resources