Columbia Alliance Windgate Double Hung New Construction window with operable top and bottom sash that slides up and down, with tilt-in feature.

Windgate New Construction Double Hung Features:
* Application: New Construction Window with Nailing Fin, 120 Standard sizes
* Frame Type: Fusion welded frame and sash, provides stronger window
* Frame Width: 3-1/4 inch jamb depth chambered frame for maximum structural integrity
* Integrated J-Channel: Yes, designed into the frame, eliminating the cost of an add-on "J" channel while providing a pleasing "beveled" exterior look.
* Nailing Fin: 1-1/8 inch projection Integrated with Frame
* Glass: 3/4" Insulating glass provides optimum energy efficiency
* Sash Lock: Cam Lock action draws sashes closer together for positive lock.
* Interlocking Meeting Rail: Integral interlock provides additional security.
* Material: Heavy walled PVC framing acts as a natural insulator
* Glass Spacer: Warm edge low conductance spacer resists energy flow through the edge of glass
* Fin Seal Perimeter and meeting interlocking rail weather strip, reduces air infiltration, longer life span
* Heavy Duty 3 screw Zinc Die cast pivot bars
* Constant Force Balance system offer smooth, consistent operation, minimal maintenance
* Integrated Lift: Yes, stronger and more dependable lift rail is part of bottom rail sash profile
* Bottom Rail weathers-strip with Closed cell Foam Filled bulb and fin seal resists air and water penetration
* Glass: Standard Dual Pane or optional Low E High Performance
* Duralite(R) warm edge glass spacer bar for reducing Heat / Cold conductivity also reduces condensation.
* Aluminum screen frame designed to eliminates screen rattle
Optional Features:
* InnovativE(R) high-performance glass utilizes Low-E coating specifically engineered for better insulation
* Aluminum Wire Insect Screen Material
* Full Screen with Fiberglass or Aluminum insect material

Additional Information
* Double-hung windows allow for airflow from both the top and bottom sashes, which is particularly useful for natural air conditioning on breezy days.
* The tilt-in sashes allow for convenient cleaning of both the interior and exterior surfaces from inside the house.
* They also present a classic aesthetic appeal, particularly suitable for traditional home designs.
* InnovativE(R) high-performance glass utilizes Low-E coating specifically engineered for better insulation
* Please measure window openings carefully to ensure proper fit before placing your order.
* Available in 8 heights and 15 widths, 120 sizes to accommodate virtually any home.