WC-500 Ultra Patio Door Sliding

The Window City Ultra Sliding Collection is designed to deliver ultimate strength and durability as well as functionality and beauty. They stand up to extreme traffic and weather conditions for years to come.

Patio Doors that are built to last

The Window City Ultra Patio Door Sliding Collection stands up to extreme traffic and weather conditions for years to come. The Collection is available in standard two panel or four panel units. They can be custom built for your specifications. They are available with extensive solar solution options, custom shapes, sizes, grilles, colour, hardware and accessories.

Everything you need in a Door at window city

Doors that have been specifically designed to withstand the Canadian climate extremes.


All uPVC multi chambered 5 3/4” frame


Sash Panel
Multi-chambered welded sash, and all vertical stiles are steel reinforced


uPVC sloped sill with aluminum reinforcement, designed with offset drainage


4SG Thermoplastic Spacer (TPS)


Triple Pane Glass

Ultra Patio Door Sliding Configurations

The Window City Ultra Patio Door Sliding Collection is available in standard 5’, 6’ and 8’ two panel models as well as 10’, 12’ and 16’ four panel units. Custom sizes are available through our automated manufacturing facility. Window City also offers custom transoms and additional side-lite units to satisfy any design requirement. All patio door combinations with sidelites and some large transomes come standard wtih PVC mullions which include steel reinforcements for added strenght and performance.

2 panel

4 panel

custom sidelites

2 panel transom

4 panel transom

custom sidelite transom

Other Considerations

Grill Options

Window City offers a full selection of Grilles and Divided Lite Options that provide unique and popular design features for our casement windows, adding a whole new dimension to your home’s appearance.

Glass Options

Our variety of glass options ensures your home stays insulated in Canadian climates without obstructing your views. We also offer Energy Star® certified options to ensure maximizing savings with energy efficient glass.


The Premium Hardware system offers several finishes and its low profile nesting handle adds elegance to your windows. The Premium Hardware is available with 8 finish options to fully customize your window selections.

Inspiration Gallery

Patio Door videos

View Our 2023 | 2024 Collections Brochure!