Slab floors under new H1 changes - Build 192 (2022)
- Abbreviation
- Slab floors under new H1 changes - Build 192 (2022)
- Valid from
- 1/10/2022
- Information provider
- BRANZ Limited,
- Author
- David Hindley
- Information type
- BUILD article,
- Format
- Website, PDF,
Description
Existing Building Code minimum construction R-value requirements for concrete slabs remain the same until 1 May 2023 when the way they are calculated also changes.
The coming year will see some big changes in the Building Code requirements around insulation. From 3 November 2022, the 5th edition amendment 1 of Acceptable Solution H1/AS1 and Verification Method H1/VM1 replace the 4th edition documents.
Scope
This article includes:
- Consents submitted before 1 May 2023
- Increase for all consents from 1 May 2023
- Demonstrating Code compliance
- Determining slab R-values from 1 May 2023
- Using vertical edge insulation
- Slab area-to-perimeter ratio
- Only use new BRANZ House insulation guide