The 4500 Series is a fixed and double-hung window that has been designed to provide years of low maintenance performance. With 0.080" nominal wall thickness throughout the mainframe and sash and a 1/8" thick aluminum sill, the 4500 is up to the task that monumental window designs require.
- 4‐1/2” Architectural Grade Window System
- Projected AW Grade H‐AW50
- Optional blast, ballistic and impact glazing
Dual Glazed Interior Sash
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St. Louis, MO