icon-address.png1276 W. Main St.  Bellevue, OH  44811

325 ES-I Series
(Energy Sentry®)
Aluminum Windows

325 ES-I





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file_doc.pngDownload 325 ES-I Specifications

Capitol 325 ES-I Series window systems are AW-Rated thermally broken systems with a polyamide thermal break to maximize energy performance. This window series is available in multiple configurations and arrangements to meet project designs and building functionality - projected awning, hopper, casement,
fixlite, and egress options available.

Features and Benefits

  • Polyamide structural thermal break strip (34mm)
    - improved u-value range .25 - .50
  • Incorporates Euro-groove hardware technology
    - reliability
  • Can be manufactured to meet Egress building codes
    - provides a safe escape option in case of emergency
  • Factory glazing
    - ensures quality
  • Crimped sash corners
    - improves structural integrity
  • Dual compression weather-stripping
    - prevents air & water infiltration


  • Factory glazing or open for 1” infill
  • Hinged or screw applied access panel with 5/8” integral blinds
  • Tubular sliding wicket or flat screens
  • Internal or surface applied muntins
  • Variety of anodized and painted finish colors
    - dual finish capability
  • Multiple trim options:  receptors mullions, pannings, sills, snap trims
  • Projected vent, hopper, casement, and fixed configurations




Series Frame Depth Typical Wall Thickness Rating Blind Access Panels Muntins Water Resistance U-Value STC
325 ES-I 3-1/4" Vent = 0.125"
Frame = 0.080"
YES YES 15 psf NFRC 100-2010

*Varies upon glass make-up or infill type

325 ES-I Photos

325 ESI-1.jpg 325 ESI-2.jpg 325 ESI-3.jpg 325 ESI-4.jpg 325 ESI-5.jpg 325_ESI

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