Versatile tilt-turn hardware
Operates in both top-venting and inward-swinging positions

Multiple locking points and dual compression seals
Create a tight seal against sound, air and water infiltration

Frame accessory grooves
Accept a variety of accessories such as brickmolds, extension jambs, and mulling components

Large reinforcement chambers
Accommodate the range of reinforcing shapes required for large openings in heavy commercial applications

Up to 1-3/8 in (35 mm) glazing capability
Increases both energy efficiency and acoustical properties

3-1/4 in (83 mm) and 2 3/8 in (60 mm) frame depths
Provide flexibility and allow for hassle-free replacement installation

Structural mullion sizes range
Allows unique designs and multiple configurations for storefront applications

The 4500 Architectural series, offers builders and architects a very unique product for large openings in both residential and commercial markets. This versatile design is three windows in one: an inward opening casement in the turn position, a secure top venting hopper in the tilt position, and a tightly sealed picture window when closed. Available in white, beige, and clay, this system can also be laminated with solid color or wood-grain foils. Matching doors are also available.

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