Description

A question often received by the BRANZ helpline is about thermally separating adjacent reinforced concrete slabs where one is in a conditioned space and the other is not. In short, we’re working on it.

Since the introduction of the revised H1 requirements last year, there has been a keen awareness about the different treatments of conditioned and unconditioned spaces in buildings. This comes to a head particularly at the junctions where these spaces meet.

Scope

This article includes:

• A common scenario
• Vertical slab edge insulation not a solution
• Problems with starter bars and blocking materials
• Experiences in my practice
• Potential innovations