Home improvement accessory designed to limit how far windows open, improving safety and security. Parents and caretakers gain practical peace of mind with XFORT Viper Window Restrictor. Is this the right upgrade for your windows and the level of protection you need?
⚡ At a Glance
- • Security Strength: Hardened steel cable resists cutting and withstands forces exceeding 1000N
- • Best for: Homes, schools and care settings that need to limit window openings for child safety
- • Not ideal for: Rooms that require full, unobstructed window openings for escape or extensive cleaning
Hardened steel cable restricts window opening while resisting cutting and corrosion. Multi-substrate fixings allow use on uPVC, aluminium, wooden and metal profiles for reliable child safety and security.
Prevent accidental falls - with a keyed cable restraint
Key locking cable limits the opening distance of the sash by anchoring the window to the frame, so the opening cannot be forced wide. Multi-substrate fixings secure the restraint to different frame materials for a stable mounting.
Controlled ventilation remains possible while preventing children from leaning through windows, delivering peace of mind in bedrooms and play areas.
Resist tampering and forced entry - thanks to a hardened steel cable
Hardened steel cable construction is specified as resistant to cutting and capable of withstanding forces in excess of 1000N, with a finish that resists oxidation and corrosion. The keyed lock adds an extra layer of mechanical security.
Durable, tamper-resistant materials reduce the risk of unauthorised opening and provide a long-lasting safety barrier in busy homes or public buildings.
Quick, versatile fit - with multi-substrate fixing screws
Fittings include screws suitable for uPVC, aluminium, wooden and metal profiles, allowing direct attachment to most common window frames. Installation is described as straightforward, with no special brackets required.
Fast installation with basic tools makes it suitable for DIY fitting, avoiding the need for specialist labour in many typical home and classroom situations.
✨ The 4 Key Reasons for XFORT Viper Window Restrictor
- Key locking mechanism - Prevents unauthorised opening with secure keyed control system
- Multi-substrate fixings - Simplifies fitting to uPVC, aluminium, wood, metal frames
- Hardened steel cable - Strong, cut-resistant link that endures significant force over time
- Corrosion-resistant finish - Suits humid environments, reducing maintenance and replacement frequency
📋 Technical Details at a Glance
- Category: Home Improvement, Window Safety
- Material: Hardened steel cable
- Force Resistance: Withstands forces exceeding 1000N
- Lock type: Key locking mechanism
- Colour: White
❓ Frequently Asked Questions
Q: Can the restrictor be used on uPVC windows?
A: Yes, fittings are supplied for multiple substrates and the restrictor is suitable for uPVC, aluminium, wooden and metal window profiles.
Q: Is the cable resistant to cutting or forced opening?
A: The cable is made from hardened steel, described as resistant to cutting and able to withstand forces over 1000N, with a corrosion-resistant finish.
Q: Is installation difficult and are fixings included?
A: Multi-substrate fixing screws are included and installation is described as straightforward, with user feedback noting quick and easy fitting.
🏆 Our Verdict
Suitable for parents, schools and care settings that need to limit window openings and reduce the risk of falls. Hardened steel cable, a keyed lock and multi-substrate fixings combine for durable, tamper-resistant window safety. Durable construction and corrosion resistance make this an effective long-term safety upgrade for windows.
