Doric Sliding Window Limiting Lock DS255 – Black
The Doric DS255 is a key-removable sliding window limiting lock designed for aluminium sliding windows. When installed, it restricts window opening to 125 millimetres while allowing temporary removal via key for window cleaning and maintenance. The unit installs into the top window track and includes an anti-lift block to reduce sash lift-out risk.
Key Features
- Limits sliding window opening to 125 millimetres.
- Designed for aluminium sliding and sash windows.
- Installs into the top track of the window.
- Key removable to allow full window opening for cleaning.
- Supplied with adjustable anti-lift round block.
- Rubber foot reduces risk of sash damage during operation.
- Compact body width of 19.25 millimetres.
- Supplied with 1 key.
Specifications
- Item Code: DS255
- Product Type: Sliding window limiting lock
- Window Type: Aluminium sliding or sash windows
- Opening Restriction: 125 millimetres maximum
- Installation Location: Top window track
- Body Width: 19.25 millimetres
- Material: Plastic body with rubber foot
- Key Profile: Silca LF27
- Finish: Black
What's In The Box
- Doric DS255 limiter unit
- Adjustable anti-lift block (DS470)
- Mounting plate
- Fixing screws
- 1 × key (Silca LF27 profile)
Suitable Uses
- Residential apartments and strata-managed buildings.
- Upper-level windows where opening restriction is required.
- Child safety window compliance applications.
- Aluminium sliding window systems requiring removable limitation.
Dimensions
| Measurement | Size |
|---|---|
| Maximum Window Opening | 125 mm |
| Body Width | 19.25 mm |
Download PDF Resources
|
Doric DS255 Window Limiter – Technical Specifications |
Frequently Asked Questions
- Does the DS255 comply with window opening restriction requirements?
The DS255 limits window opening to 125 millimetres, which aligns with common Australian child safety window requirements. Compliance should always be confirmed against local regulations. - Can the window be fully opened for cleaning?
Yes. The limiter can be removed using the supplied key to allow full window opening when required. - Is this suitable for timber windows?
The DS255 is designed for aluminium sliding window systems. Suitability for timber frames is not specified by the manufacturer.
Additional Information
- Window limiters of this type are commonly specified in NSW strata retrofits following child safety legislation.
- Installers typically confirm sash thickness and track clearance before installation.
- The anti-lift block helps reduce sash disengagement but does not replace correct window frame installation.
Technical Drawing
