Technical Details / Ultra™ - Radius Window

Radius Fiberglass Window and Arch Fiberglass Window
  • Min Max1: Varies based on window combination
  • U-Value2: 0.36

Architect Manual

(cross section drawings in PDF format, standard configurations, product details)

Test Data

(Min/Max, Structural Class, Air Infiltration, Egress, U-Factors, Solar Heat Gain Coefficients, Visible Light Transmittance, Sound Transmission Class)

3 Part Specifications

Ultra™ - 3 Part Specifications

Combinations and Mulling

Details: Fiberglass Combinations & Mulls (2MB pdf)

  • Half Round

    Half Round

  • Quarter Round

    Quarter Round

  • Quarter Round w/Picture

    Quarter Round w/Picture

  • Quarter Round Single Hung

    Quarter Round Single Hung

  • Radius Top Picture

    Radius Top Picture

  • Half Round w/Picture

    Half Round w/Picture

  • Half Round w/Bottom Casement

    Half Round w/Bottom Casement

  • Half Round w/Double Bottom Casement

    Half Round w/Double Bottom Casement

  • Half Round w/Double Vent

    Half Round w/Double Vent

  • Radius Top w/Double Bottom Awning

    Radius Top w/Double Bottom Awning

  • Full Round

    Full Round

  • Arch Top

    Arch Top

  • Arch Top w/Picture

    Arch Top w/ Picture

  • Arch Top w/Half Vent

    Arch Top w/ Half Vent

  • Arch Top w/Double Bottom Casement

    Arch Top w/Double Bottom Casement

  • Arch Top Single Hung

    Arch Top Single Hung

  • Arch Top w/ Double Bottom Awning

    Arch Top w/ Double Bottom Awning

  • Arch Top /w Double Bottom Casement/Picture

    Arch Top w/Double Casement/Picture

  • 3-Lite Arch Top w/Double Bottom Casement/Picture

    3-Lite Arch Top w/Double Bottom Casement/Picture

CAD Files

Click the arrow before each product name to expand the section and reveal the electronic files available for it.

Product Options

Frame Colors:

Interior:

White

Exterior:

White, Sand, Tan, Hunter Green, Brownstone, Cranberry, Matte Black, Silver Pearl

Grid Options:

5/8" Flat, 1-1/16" Sculptured, Legacy, Craftsman, 1-1/8" Vintage, 3/4" Vintage

Glass Options:

Obscure:

P516, Narrow Reed 5/32", Cross Reed 5/32", Aquatex, #42 Clear, Glue Chip, Rain, Solid Translucent Etch Matte

Tinted:

SunCoat® Low-E, Bronze, Gray, Evergreen, Azurlite

Footnotes

1
Min/Max is based on tested values, sizes may vary by location. Contact your local Milgard dealer for details.
2
Information based on the standard configuration with SunCoat®, EdgeGardMAX™ and air-filled glass. Different glazing, spacer and fill options will result in different u-factors. More details can be found on in the Performance Ratings document above.