Technical Statement
Product Description
Scope of use
CS OvertakingDoors Cavity Sliders are suitable for use with sliding doors in internal locations in residential or commercial buildings.
New Zealand Building Code (NZBC)
The product 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, B1.3.3(a), B1.3.3(f), B1.3.3(h), B1.3.3(j), B1.3.4
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)]. See Paragraphs 8.1–8.3.
- Clause B2 Durability: Performance B2.3.1, B2.3.1(a), B2.3.1(b), B2.3.1(c)
Performance B2.3.1 (a) not less than 50 years, (b) 15 years and (c) 5 years.
CS Cavity Sliders meet these requirements. See Paragraphs 9.1–9.3.
- Clause F2 Hazardous building materials: Performance F2.3.1
Performance F2.3.1. CS Cavity Sliders meet this
requirement.
Evidence
The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
BRANZ Appraisal No. 900 (2020)
Amended 09 December 2021
Supporting evidence
The product has and can make available the following additional evidence to support the above statements:
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BRANZ Appraisal
900 |
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Use in Service History
CS Cavity Sliders have been successfully used in commercial, residential and institutional projects in New Zealand and Australia since 1986. CS Cavity Sliders are backed by a 10 Year Written Guarantee.
Product Criteria
Design requirements
Units require a 140mm stud wall for units with 2 doors. Add 50mm per extra door.
The use of aluminium CS manufactured door leaves is recommended. Door carrying capacity is 120kg using standard 2-wheel carriages. 4-wheel carriages are supplied for heavier doors.
Installation requirements
CS Cavity Sliders must be installed in accordance with the
manufacturer's installation instructions. 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.
Track must be fitted level and straight and fixed at maximum 600mm
centres to the lintel.
Refer to CS Cavity Sliders detailed instructions for preparation and
finishing of the door opening and final door installation.
Maintenance requirements
Refer to CS Cavity Sliders detailed instructions on powder coated aluminium
product maintenance. Under normal circumstances, CS Cavity Sliders require no maintenance.
In high use situations, the carriages will eventually need replacing.
Replacement carriages and instructions on replacement are available from Cavity
Sliders Limited. Any service requirements should be referred to our customer service team.
Warrantees
10 year written guarantee on CS Cavity Sliders.
Environmental
CS Cavity Sliders operates a zero waste policy with all
metal offcuts and waste recycled. Timber components are sourced from FSC certified suppliers.
Relationships
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New Zealand Made |
Building Product Information Requirements
Manufacturer
Legal Trading Name:
CS Cavity Sliders
Business Email:
info@cavitysliders.co.nz
Contact Number/s:
09 2760800
0800 754337
Product Identifier
CS OVERTAKING DOORS
Warnings
This product has no warnings associated with it.
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Date last validated:
10 June 2025 |
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Date last updated:
10 June 2025 |