Light steel framed walls and floors

6.10.13Other design issues

The home shall be designed to adequately address all critical performance issues.

The designer should ensure that all critical performance issues listed in Table 7 are appropriately addressed.

Table 7: Critical performance issues requiring the designer’s consideration

Behaviour in relation to fire■ Compliance with building regulations
■ Internal linings
■ Fire stops and cavity barriers
■ Penetrations
Acoustic performance■ Compliance with building regulations
Moisture control, including thermal performance, condensation risk and water ingress■ Type, thickness and location of insulation material
■ Protection from water ingress at low levels
■ Condensation risk analysis and management of water vapour in the structure
Wall construction■ Acceptable claddings (see Chapter 6.9 ‘Curtain walling and cladding’)
■ Provision of cavity
■ Type of wall ties
■ Sheathing
Balconies, terraces and parapets■ Specific design considerations: structural design, durability, weather-tightness

Guidance for some of the performance issues listed in Table 7 may be included in the Stage 1 certificate.