Exterior Interior
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C650 Ultra™ Series Windows
Horizontal Sliding Windows

Material
Fiberglass
Price point
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Project type
Replacement, New Construction

With C650 Ultra Series horizontal sliding, choose from a left or right-side operable sash to allow airflow into any room. Ideal for windows facing a balcony or patio because they do not protrude toward the exterior of the home. Great for replacement window and new construction jobs.

Design Options

FRAME COLOR

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Interior
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Interior
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Interior
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Interior
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Exterior
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Exterior
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Exterior

Interior frame color

White
Harmony
Harmony
Bark
Black Bean

Exterior frame color

Frost
Harmony
Harmony
Bark
Black Bean

Finish options may vary by location. 
Colors shown are approximate. Visit your local Milgard Dealer for more information and to see accurate finish samples. 

GLASS OPTIONS

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Standard
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Milgard SunCoat® Low-E2 Glass comes standard on all dual-pane windows and patio doors.

Tinted glass options

Cardinal Low-E

Obscure glass options

#42 Clear
Delta Frost
Frosted Glue Chip
Satin Etch
Narrow Reed
P516
Rain

GRIDS

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Flat Grid

Grid is located between the glass.

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Sculptured Grid (inside Glass)
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3/4" Vintage Simulated Divided Lite (SDL)

Grid is overlayed on the glass to simulate a divided lite.

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1-1/8" Vintage Simulated Divided Lite (SDL)

Grid is overlayed on the glass to simulate a divided lite.

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1-1/8" Craftsman Simulated Divided Lite (SDL)

Grid is overlayed on the glass to simulate a divided lite.

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1-1/8" Legacy Simulated Divided Lite (SDL)

Grid is overlayed on the glass to simulate a divided lite.

Grid style

Express your creativity and increase your home's curb appeal with a variety of grid options

Grid style

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Flat Grid
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Sculptured Grid (inside Glass)
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3/4" Vintage Simulated Divided Lite (SDL)
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1-1/8" Vintage Simulated Divided Lite (SDL)
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1-1/8" Craftsman Simulated Divided Lite (SDL)
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1-1/8" Legacy Simulated Divided Lite (SDL)

Grid pattern

The grid patterns shown below are common configurations, however we can accommodate nearly any desired grid pattern.

Grid pattern

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Standard
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Standard Half
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Valance
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Perimeter Pane
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Perimeter Corner

HARDWARE

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C650 Horizontal Slider Hardware Options

C650 horizontal sliding windows come with the Positive Action® lock (1) standard. Cam lock (2) is also available as an option.

 

Hardware finishes include:

  • White
  • Clay
  • Dark Bronze
  • Brushed Chrome
  • Black

Our Experts are Here to Help! 

Durable & Energy Efficient

C650 Ultra Series fiberglass windows are heat and cold resistant, durable and low-maintenance. The frame expands and contracts at approximately the same rate as the insulated glass it holds, putting less stress on the seals for a clear view. 

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Technical Resources

All Resources

Ultra Series Windows 3-Part Specification
C650 Series STC Ratings
MITER Brands Field Testing Policy
Fastener Schedule
C650 Series Performance Ratings
C650 Ultra Series Thermal Ratings
Reviews
Horizontal Sliding Windows