Views: 14 Author: Site Editor Publish Time: 2026-03-05 Origin: Site
Window stays—often overlooked yet essential hardware components—play a critical role in the functionality and safety of casement and awning windows. A high-quality window stay ensures that your window remains securely open at your desired angle, preventing sudden closure caused by wind or accidental bumps. This is especially vital in homes with children, pets, or upper-floor rooms where uncontrolled window movement poses serious risks. Beyond safety, a well-designed window stay enhances ventilation control, allowing fresh air to circulate while keeping the sash firmly in place. Inferior or worn-out stays can lead to rattling, poor sealing, or even window damage over time. That’s why choosing durable, precision-engineered window stays isn’t just about convenience—it’s an investment in home safety, energy efficiency, and long-term performance.
1. "Why do my windows move by themselves on windy days?" (Damping issue)
Reason: This is because the friction of the sliding support is insufficient, or the adjusting screws have loosened over time.
Solution: There is usually a small adjusting screw (usually made of nylon) in the sliding slot of the sliding support. Tightening it clockwise can increase the friction and fix the window at any opening angle.
2. "Are there significant differences between stainless steel 201 and 304 window supports?"
Very significant. The sliding supports are exposed to the outdoors for a long time. The 201 stainless steel is prone to rust easily. Once it rusts, it can cause the sliding to become stuck and even break during opening or closing, causing the window sash to fall.
Recommendation: Be sure to choose 304 stainless steel. For high-rise buildings or coastal areas, it is recommended to choose reinforced 304 window supports with a thickness of 3.0mm or more.
3. How to choose the "opening angle"?
Standard type: Usually the opening angle is between 60° - 90°.
Limiting type: For the safety of children, you can choose window supports with built-in limiters, allowing the window to only open to a safe gap of 10cm - 15cm.
Cleaning type (Easy Clean): This hinge allows the window sash to slide to the center position, facilitating the cleaning of the window exterior from indoors.
4. How to select the "length" of the sliding support?
Principle: The length of the sliding support should typically account for 60% - 80% of the width of the window sash.
Example: If the window sash is 600mm wide, usually a 12-inch (about 300mm) or 14-inch (about 350mm) sliding support is recommended. Too short will result in insufficient support force, and too long may affect the opening angle.
5. What are "square slots" and "round slots"? (Slot compatibility)
This is a physical limitation during installation:
Square slot (K-slot): Suitable for most aluminum alloy break-through aluminum windows.
Round slot: Suitable for certain specific brands of plastic steel windows or old-style profiles.
Purchase tip: It is necessary to measure the bottom width of the installation slot on the window frame (usually 18mm or 22mm), otherwise the sliding support will not fit into the slot.
| Parameter | Description | Common Specification |
| Material | Main Material | Stainless Steel 201 / 304 |
| Surface Finish | Surface Treatment | Satin, Polished, Anti-corrosion coating |
| Type | Hinge Type | Friction stay, Hinge stay, Restricted stay |
| Length | Overall Length | 200, 250, 300, 350, 400, 450, 500, 600 |
| Thickness | Leaf Thickness | 1.2 mm, 1.5 mm, 2.0 mm |
| Track WidthHinge Type | Track Width | 12 mm, 14 mm, 16 mm, 18 mm |
