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To our loyal customers, our office will be closed December 25th, 26th, and January 1st in observance of the holidays. Our factory will be closed for inventory and year end maintenance December 18th through January 1st, but our customer service will still be available to assist you.

From all of us at Croft
Merry Christmas &
Happy New Year
Summit Aluminum Window Image

meet the SUMMIT
SERIES 4400/4440 | Aluminum WINDOWS

For New Construction

With unparalleled strength and energy efficiency, the Summit Series is the signature aluminum window in the industry. Its hard surface resists weathering, reduces outside noise, and has an optional thermally broken frame to reduce heat and cold transfer making it a leader among aluminum Energy Star windows. And as with every Croft window, the Summit Series is built for life.

available in:

Operating Windows - Single-Hung Window Icon
Single-Hung Window
Operating Windows - Tilt Sash Icon
Tilt Sash
Window Strength Icon


- 2 1/4” frame depth
- Continuous head and sill on twins and triples

Window Beauty Icon


- Available in a variety of colors and grid patterns
- Sloped sill for traditional look to home exterior
- Painted with a baked-on polyester finish which resists scratching and chipping

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- Energy efficient 5/8” Intercept® glass
- Full range of glass packages offer increased thermal performance
- Interlock system provides airtight fit 
- Optional thermally broken sash and frame (excluding frame sill) offers increased thermal performance (4440M)

Reliability Convenience and Safety Icon


- Integral pre-punched nail fin for new construction
- Sloped sill for optimal water drainage
- Spiral balance system for easy operation and maintenance
- Top and bottom sashes are removable for pass-through construction and easy sash replacement
- Wrap-around marine glazing
- Bottom sash tilts for easy cleaning

Sizing Charts Icon

sizing charts

Performance Data Icon

performance data