11.2.17 Services
Internal services shall not adversely affect the stability or performance of the panel and be adequately protected from damage.
Service mains and service outlets should be:
- designed to ensure the fire resistance of walls and floors is not impaired
- designed to ensure that the required sound insulation of walls and floors is maintained
- installed in accordance with the design
- on the warm side of the insulation
- designed to accommodate differential movement where required.
Closed panel timber frame
Services to closed panel timber frame walls should be in accordance with Clause 6.2.9.
Structural insulated panels (SIPs)
Services passing through SIPs should not adversely affect the fire performance of the building. Issues to be taken into account include:
- suitable detailing of services passing through panels
- location and type of firestops to be used
- integrity of walls and floors.
Where holes are required to accommodate services, this should only be carried out in accordance with the manufacturer’s recommendations or be designed by an engineer in accordance with Technical Requirement R5.
When installing services to SIPs, they should:
- be planned in advance so that ducts and conduits are provided
- not be chased into the core of the panel
- be installed in such a way to avoid cutting, igniting, or damaging the panel
- have additional engineered designed support for heavy loads from central heating and ventilation systems, or kitchen appliances.
Closed panel light steel frame
Services to closed panel steel frame walls should be in accordance with Clause 6.10.22.
Last updated: 2nd January 2025