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skip to ASEC Sash window stop

ASEC Sash window stop

£7.20

(£6.00 ex VAT)

sku: ASECStopS
  • Restricts window opening to a fixed position for secure ventilation
  • Prevents the sash from being fully opened from the outside to deter intruders
  • Compatible with traditional timber sliding sash windows
  • Requires a specific key for operation to ensure controlled access
  • Functions as a secondary security device alongside standard fasteners
  • Improves safety by limiting the maximum opening gap for children

Finish

Pack Size

Keys Supplied: per lock ( total) total (unless ordering multiple groups)
Additional Keys are available below
Qty:

Shipping From:

When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

The Asec Sash Window Stop is a robust security solution designed for use on traditional timber sliding sash windows. Its primary function is to limit the travel of the sash, allowing the window to be opened slightly for ventilation while remaining securely locked against unauthorised entry.

These stops are typically installed into the stiles of the top sash. When the threaded bolt is in place, the lower sash can only be raised until it hits the stop, preventing the window from being opened further. This makes it an essential safety feature for upper-floor windows to prevent falls, as well as a security enhancement for ground-floor apertures.

The mechanism is key-operated, meaning the restriction can be removed when full access is required, such as for cleaning or emergency egress. It is designed to work as a secondary locking point, complementing existing sash fasteners or fitch locks to provide a comprehensive window security system.

FAQs

These stops allow you to leave your sash windows partially open for ventilation while preventing them from being opened further from the outside. They act as a sturdy physical barrier that prevents the window from sliding past a designated safety point.

Yes, the window stops are designed with a removable barrel mechanism. By using the included key, you can quickly unscrew the stop from its housing to allow the sash to move freely for cleaning or full airflow.

For optimal security, these are typically installed into the stiles of the upper sash. Placing them just above the meeting rail ensures that the bottom sash cannot be raised beyond the stop, and the top sash cannot be lowered.

The package typically contains the following components:

  • A pair of threaded window stop barrels
  • Two metal inserts for the window frame
  • A release key for removal and adjustment

Related Products

skip to Suitable Drill to Install Window Locks

Suitable Drill to Install Window Locks

£4.80

(£4.00 ex VAT)

sku: SashDrill
  • Designed for precision drilling of pilot holes in window frames
  • Optimised for use with UPVC, timber, and aluminium profiles
  • High-speed steel construction ensures longevity and clean cutting
  • Compatible with standard power drills and cordless drivers
  • Facilitates accurate alignment for window lock mounting screws
  • Reduces the risk of frame splitting or cracking during installation
Qty:

Shipping From:

When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

This drill bit is engineered specifically for the installation of window security locks and handles across a variety of frame materials. Whether fitting new security hardware or replacing existing locks, achieving the correct pilot hole diameter is essential for a secure and durable fix.

Functional Applications

The tool is suitable for use on UPVC, timber, and aluminium windows. It allows for precise positioning of screw holes, ensuring that the lock mechanism aligns perfectly with the keep or frame strike. This precision prevents the common issue of misaligned hardware, which can lead to poor operation or compromised security.

Technical Specification

  • Manufactured from high-speed steel (HSS) for durability
  • Universal shank compatible with most chuck-based power tools
  • Optimised flute design for efficient waste removal in dense materials

Using the correct drill bit significantly reduces the likelihood of the window profile splitting or the screw heads shearing off during the mounting process. It is a vital accessory for both professional installers and homeowners looking to maintain the structural integrity of the window frame.

skip to ASEC Sash Stop Key

ASEC Sash Stop Key

£2.40

(£2.00 ex VAT)

sku: AS5024
  • Compatible with all standard Asec sash window stops
  • Hexagonal drive ensures precise engagement with the locking mechanism
  • Ergonomic rounded head provides improved leverage for easy operation
  • Integrated hole allows for secure attachment to keyrings or lanyards
  • Essential tool for maintaining secondary security on timber sash windows
  • Universal design acts as a standard replacement or additional spare
Qty:

Shipping From:

When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

The Asec Sash Stop Key is a functional tool designed specifically for the operation of sash window security stops. It serves as the primary interface for engaging and disengaging the locking bolts found on sliding timber sash windows, allowing for both secure ventilation and full closure.

Featuring a durable hexagonal shaft, this key fits into the internal socket of the sash stop to provide a secure grip, preventing slipping during use. It is a universal component within the Asec range, making it an ideal choice for property managers, landlords, or homeowners who require replacement keys for existing installations or additional keys for multiple users.

Typical applications include residential and commercial properties where traditional sash windows are fitted with secondary security hardware. The large plastic head is designed for comfortable hand operation, while the pre-drilled hole ensures the key can be organised on a central key rack or personal keyring to prevent loss.

Brand

SKU

AS5024

Box Contents

1 key