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Fiberglass Windows--Single Units

Integrity by Marvin Integrity® Stationary Casement True Half Circle Window--72 in. x 36 in.

Integrity by Marvin

Integrity® Stationary Casement True Half Circle Window--72 in. x 36 in.

ebuild Ref. No. IRT25-3WCA
Retail Price Information
List Price Notice

Where prices are shown, they are based on the best information available to ebuild and generally refer to manufacturer's suggested retail prices. They should be used for reference only. In some instances, the list price refers to the lowest-cost version of an item that may be available in a variety of colors, finishes, sizes -- or upgraded features. Check with local distributors for actual prices.

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Features and Benefits

  • An integral Ultrex nailing fin actually extends from the cladding, making these round tops exceedingly stable and extremely weather tight
  • Fins available in full-perimeter, radius only, or can be excluded altogether
  • Installation brackets must be specified when installing a round top in a masonry opening
  • Molded exterior is shaped to complement the entire Integrity® line
  • We offer a round top to match just about every Integrity® window or door in our line
  • Choose from quarter rounds, half-rounds or ellipticals for an elegant touch
  • All are made with the same impenetrable Ultrex® exterior and backbone, with solid wood interiors to further grace the room

Product Specifications

Manufacturer Model No.IRT25-3W CA
Window FormatFixed
ShapeHalf-round
Overall Width72 in.
Rough Opening Width73 in.
Overall Height36 in.
Rough Opening Height36 1/2 in.
Masonry Opening Width72 1/2 in.
Masonry Opening Height36 1/4 in.
Jamb Depth4 9/16 in.
U-Value0.28
Standard GlazingDouble--Low-E/gas fill
Special Glazing OptionsTempered Low E II with Argon gas
Divided Lite OptionsRemovable grilles
Exterior Color
  • Pebble Gray
  • Stone White
Interior Frame Color/Finish
  • Bare wood
  • White
Wood Species (Interior)Pine
Meets Standards
  • WDMAI.S.4
  • Federal Specifications DD-F-451D
  • ASTMC 1036-85
  • ASTME 774-83
  • IGCC certified
  • ANSI/AAMA/WDMA 101/I.S. 2-97 F-C-85
Parts Included
  • Integral nailing fin
Additional Parts Required/Recommended
  • 6 9/16 in. and 6 13/16 in. jamb extension
  • Masonry brackets

Product Resources

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