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CS SofStop Cavity Slider

Combining all the features of New Zealand’s highest quality cavity sliders with soft close technology, the CS SofStop is a must have wherever quiet and safety are priorities. SofStop is now available as an optional add on to most CS Cavity Sliders, Wardrobe Sliders and Track Systems. Choose from Single Soft Close or Twin Soft Open & Close. Single SofStop can now be retrofitted to our standard product range. (Applies to most products manufactured from September 2019)

  • Max. Door Weight: Single: 100kg, Twin: 50kg
  • Min Door Width: Single: 625mm, Twin: 840mm (dependant on door type)
Key Features
  • Patented cavity frame is fully tested and guaranteed. It is engineered from high quality heavy duty extruded aluminium
  • Door and carriages can be removed without removing wall linings
  • The soft close mechanism is hidden from sight, yet remains fully serviceable
  • Fits into a standard trim
  • Gentle braking and closing of door helps prevent slamming and injury
  • Fits into a standard thickness wall (90 x 45mm framing)
  • Supplied fully assembled for on-site installation
  • No visible floor guides
  • Mechanism has been independently tested to 100,000 cycles

Detail Options

Incorporate any of the following architectural detail options with the CS SofStop cavity slider to create a specific look or to provide a unique solution:

  • NoClosingJamb
  • ShadowLine
  • SquareStop

Maximum door weight 100kg.

Cavity Sliders
NZ Made
NZ Made
Scope of Use
  • CS Cavity Sliders units have been appraised for use with sliding doors in internal locations in residential, commercial and light industrial buildings
  • The SofStop mechanism is engineered to stop doors up to 100kg. A small amount of force is necessary to open the door
    • Best operating temperature: 10˚C to 40˚C
    • Minimum door width is dependant on door type
    • Maximum door weight is 100kg
  • Lintels over the full trim size (opening and pocket) should be sized to ensure that no load is applied to the door assembly
  • Lintels to NZS3604 are acceptable for door weights up to 75kg per metre width of door. Specific design required when the door weight exceeds 75kg per metre
Limitations on Use
  • For a self-closing option, see the CS RakingHead Cavity Slider
  • CS Cavity Sliders are not suitable for use with fire doors or smoke control doors
  • CS Cavity Sliders are suitable for use in single detached dwellings (SH purpose groups). In all other purpose groups, CS Cavity Sliders are not permitted within or for providing access to exitways
Statement of Building Code Compliance

CS Cavity Sliders will, if employed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:

  • Clause B1 Structure: Performance B1.3.1, B1.3.2 and B1.3.4. CS Cavity Sliders meet the requirements for loads arising from self-weight, earthquake, wind and impact [i.e. B1.3.3 [a], [f], [h] and [j]]
  • Clause B2 Durability: Performance B2.3.1 [a], not less than 50 years, [b], 15 years and [c], 5 years. CS Cavity Sliders meet these requirements
  • Clause F2 Hazardous Building Materials: Performance F2.3.1. CS Cavity Sliders meet this requirement and will not present a health hazard to people
In-Service History

CS Cavity Sliders have been successfully used in commercial, residential and institutional projects in New Zealand and Australia since 1986. 

Other Performance Attributes
  • Patented cavity frame is fully tested and guaranteed. It is engineered from high quality heavy duty extruded aluminium
  • Door cannot jump off the track
  • CS Cavity Sliders are backed by a 10 year written guarantee
  • Mechanism has been independently tested to 100,000 cycles
B1 Structure compliant
B2 Durability compliant
F2 Hazardous Building Materials compliant
Hazardous Building Materials
BRANZ Appraised
BRANZ Appraised
Data Sheet
BRANZ Appraisal

900 [2020]

Quality Testing Certificate
Maintenance Instructions
Additional Information

CS For Doors are a manufacturer of cavity sliding door systems and related products.

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