About our weathertightness standards

Contractors and suppliers must follow the New Zealand Building Code and also meet our school-specific durability requirements, including:

• increased roof pitch (slope)
• additional drained and ventilated wall cavity requirements
• specific spouting requirements
• increased cladding durability.

When the design requirements apply

The weathertightness design requirements apply to all new state school buildings, including:

• building replacements
• extensions and additions to an existing building
• alterations to the outside of an existing building, like a roof or wall cladding.

Download the standard

Our weathertightness design standards have details of the standards you must follow.