

The Window Force Single Slider window delivers smooth horizontal operation and a wide, unobstructed viewing area. With one fixed panel and one sliding sash, it is ideal for modern spaces, basements, and rooms where easy access and space-saving design matter.
Precision-engineered rollers and tracks deliver effortless, quiet sliding performance, ensuring reliable operation and lasting comfort with every use.
Sliding windows don't project inward or outward, making them perfect for compact rooms or basement installations.
Sleek, clean lines and narrow frame profiles create a modern, understated look that blends effortlessly with contemporary architecture while placing full visual emphasis on the outdoor view and natural surroundings.
Select slider configurations meet building code requirements for safe basement egress while maintaining clean design and smooth operation.
With a deeper 4-9/16″ frame and a slimmer 2-7/8″ visible profile, the UltraSlim Series with hidden gasket delivers a sleek, modern look while maximizing glass area. It is designed for seamless integration into new construction and larger openings.
A proven 3-1/4″ frame depth with a standard profile, the Classic Series is ideal for retrofit and replacement projects. It delivers excellent thermal performance, a familiar aesthetic, and reliable compatibility with a wide variety of installation conditions.
| Model | SSLO_IS_CLRCARD-ARG90-CARD180#3 | SSLO_IS_CLRCARD-ARG90-CARD180#3-ARG90-CLRCARDM | SST_IS_CLRCARD-ARG90-CARD180#3 | SST_IS_CLRCARD-ARG90-CARD180#3-ARG90-CLRCARD |
|---|---|---|---|---|
| U-factor (W/m² – K) | 1.72 | 1.66 | 1.73 | 1.66 |
| Solar Heat Gain (SHGC) | 0.53 | 0.48 | 0.53 | 0.48 |
| Energy Rating | 31 | 29 | 31 | 30 |
| ENERGY STAR Zones, 2015 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 |
| ENERGY STAR Zones, 2010 | ABC | ABC | ABC | ABC |
| Layers of Glazing | 2 | 3 | 2 | 3 |
| NRCan Reference | NR9161-12601987-ES | NR9161-12601991-ES | NR9161-12601992-ES | NR9161-12601996-ES |
| Energy Efficiency Verification Reference | W535-1 | W535-1 | W535-1 | W535-1 |
| U-factor (Btu/h/ft² – °F) | 0.3 | 0.29 | 0.3 | 0.29 |
| Visible Transmittance | 0.61 | 0.56 | 0.61 | 0.56 |
| Air Leakage — Infiltration (l/s*m²) | 0.83 | 0.83 | 0.66 | 0.66 |
| Air Leakage — Exfiltration (l/s*m²) | 1.16 | 1.16 | 0.92 | 0.92 |
Single slider windows have one fixed sash and one operable sash that slides horizontally. This simple design allows for easy opening and closing without taking up exterior or interior space. They're commonly installed in bedrooms, basements, and living areas — anywhere that benefits from wide views and smooth operation.
Single slider windows are ideal for homes in Toronto and the GTA thanks to their compact functionality and affordability. They work well in smaller rooms and tight exterior spaces where casement or awning windows may not fit. With a sleek, modern look and minimal upkeep, they've become a favorite for both new builds and renovations across the region.
Each unit starts with high-grade vinyl frames and reinforced hardware built for long-term use. We follow strict production guidelines and perform testing for seal integrity, smooth gliding, and corner weld strength. All Window Force slider windows meet CSA and Energy Star certification standards, ensuring reliable performance in local conditions.
Watch out for uncertified imports that lack testing or come with limited warranties. Poor installation is another major risk—sliders must be perfectly level to function properly. Incorrect sizing can also lead to air leakage and moisture problems. Always choose a trusted local supplier like Window Force to avoid these pitfalls.
We give dealers the consistency and confidence they need. Our slider window line is always in stock, supported by full technical specs, and backed by reliable warranties. With local pickup or delivery options, strong margins, and after-sales support, Window Force helps our dealer partners grow their businesses without hassle.






