MAXRaft Concrete Slab Floor System
- Abbreviation
- Appraisal number 1054 (2024)
- Valid from
- 13/08/2024
- Information provider
- BRANZ Limited,
- Information type
- BRANZ Appraisal,
- Format
- PDF,
Description
The MAXRaft Concrete Slab Floor System is an insulated, concrete slab-on-ground flooring system for use in residential and light commercial buildings.
The MAXRaft Concrete Slab Floor System features a continuous polystyrene insulating layer beneath the slab and to the exterior perimeter surface.
The MAXRaft Concrete Slab Floor System can be designed as an insulated slab on grade where ground conditions meet requirements of good ground as per NZS 3604.
Alternatively, it can be designed as a waffle raft floor designed to suit ground conditions on the subject site.
Scope
The MAXRaft Concrete Slab Floor System has been appraised for use to construct steel reinforced, concrete slab-on-ground floors subject to specific engineering design for buildings within the following scope:
- ground floor slabs for timber-framed buildings, within the scope of NZS 3604, or other similar light weight constructions where they are subject to specific engineering design; and,
- built on ‘good ground’ as defined by Acceptable Solutions and Verification Methods for NZBC Clause B1 Structure; or,
- built on ‘TC2’ type ground within the ‘Canterbury earthquake region’, or moderately to highly expansive soils, subject to verification and assessment by a Chartered Professional Engineer.