A fixed center section is flanked by sliding end vents. It combines a broad central view with ventilation at the sides, without an outward sash projection.
Large fixed center panel provides an unobstructed view, framing the outdoors like a picture window.
Operable end panels slide open for fresh air without compromising the center view.
Sliding end vents don't project outward, making them ideal for spaces near walkways or patios.
Compare whole-product U-factor, SHGC and air-leakage ratings for the selected glass, frame and size. The operating style does not establish certification or energy savings.
Works with a wide range of architectural styles, from traditional to contemporary.
Vinyl does not require the same care as a wood frame. Follow the cleaning and inspection guidance for frames, seals and hardware, and review the written warranty.
| Frame Material | Premium Multi-Chamber Vinyl |
|---|---|
| Glass Options | Double- and triple-pane options; confirm size and model availability |
| Low-E Coating | Confirm the coating in your glass package |
| Gas Fill | Confirm gas fill for the selected glass unit |
| Hardware | Metal Camplocks |
| Colors | Available finishes and custom colors depend on product and surface |
| Warranty | No BS Lifetime Warranty; paint 15 years; screens and glass breakage excluded |
| Production Time | Confirm current production estimate and transit time |
Plan exterior access to the fixed center glass and follow the cleaning instructions for the end sashes. Keep both operating tracks and drainage paths clear.
Window maintenance guidanceAsk your installer to confirm frame dimensions, installation allowances and any required emergency-escape opening. A nominal size or operating style alone does not establish suitability for a bedroom or basement.
Window screens do not prevent falls. Opening the upper sash or leaving a window partly open does not make it child-safe. Review fall-prevention measures and emergency access for the room.
CPSC window fall-prevention guidance · Compare window stylesCompare lift-out and tilt end-vent models at matching frame sizes. Review live prices, finishes and flange choices, then open the exact configuration in the designer.
Compare end-vent window sizes and prices · Compare sliding window layoutsRequest certified whole-product U-factor and solar heat gain coefficient (SHGC) for your frame, size and glass package. A style name or pane count alone does not establish energy performance, ENERGY STAR certification or savings.
Compare quotes using the same dimensions, glazing, finish, hardware and installation scope. Confirm production and transit times separately before ordering.
How certified energy ratings work · Glass and coating options · What affects window and door pricingPanes supplies windows and doors throughout the continental United States and Canada, including addresses outside our showroom markets. Confirm freight, unloading access and any oversized or remote-delivery requirements for your address.
US customers arrange measurement and installation with their own contractor. Canadian customers can ask about local installation availability. Have the installer confirm dimensions and project requirements before approving an order.
Delivery coverage and freight · Measuring guides · Send plans or measurements for reviewA fixed center section is flanked by sliding end vents. It combines a broad central view with ventilation at the sides, without an outward sash projection.
Plan exterior access to the fixed center glass and follow the cleaning instructions for the end sashes. Keep both operating tracks and drainage paths clear.
Request certified whole-product U-factor and solar heat gain coefficient (SHGC) for your frame, size and glass package. A style name or pane count alone does not establish energy performance, ENERGY STAR certification or savings.
Panes windows, doors and insulated glass are protected by our No BS Lifetime Warranty. Frames, glass, hardware, seals, stain finishes and accessories are covered for life. Paint finishes are covered for 15 years. Glass breakage of any kind is not covered under warranty. Screens are not covered. For covered issues, we provide free replacement parts or a replacement product. Coverage is for the product only; labour, travel, shipping and other service costs are not included. Fully transferable to future homeowners. No prorating during the coverage period.
Read the full warranty