Specifying slab floors that comply with H1
- Abbreviation
- Specifying slab floors that comply with H1 - Build 192 (2022)
- Valid from
- 1/10/2022
- Information provider
- BRANZ Limited,
- Author
- David Hindley
- Information type
- BUILD article,
- Format
- Website,
Description
Many designers demonstrate that their floor slabs comply with Building Code clause H1 by using Acceptable Solution H1/AS1 or Verification Method H1/VM1. Here are some key points to bear in mind.
There are currently several options available. H1/AS1 and H1/VM1 5th edition, amendment 1, can be used in building consent applications until 26 November 2026. From 27 November only H1/AS1 and H1/VM1 6th edition can be used.
Scope
This article includes:
- Demonstrating Code compliance
- Determining slab R-values
- Using vertical edge insulation
- Slab area-to-perimeter ratio
- Only use new BRANZ House insulation guide