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Firth RibRaft® Floor System

Abbreviation
CM70056 Rev2
Valid from
19/03/2020

Author
Bureau Veritas
Format
PDF

Description

The Firth Ribraft® Floor System comprises of polystyrene pods, steel reinforcing, plastic spacers and Firth Ribraft® concrete. The system consists of the following components:

  • Ribraft® Polystyrene Pod 1100mm x 1100mm x 220mm. 300mm thick pods are also available for deeper edge beams and internal ribs 
  • Firth Pod and Reinforcement spacer (300mm and 100mm) 
  • Firth Reinforcement chair 
  • Reinforcement Grade 500E 
  • Mesh reinforcement 
  • Firth Ribraft® Concrete 20 MPa or 25 MPa 
  • Sand blinding 
  • DPM (250 micron polyethelene sheet)

The Firth RibRaft® Floor System is a method of concrete floor construction, suitable for all slab-onground concrete floors for domestic or residential buildings that fall within the scope of NZS 3604:2011 Timber framed buildings.

 

Scope

Subject to the following conditions and limitations:

1. The Firth RibRaft® Floor System shall only be used in buildings which fall within the scope of NZS 3604:2011 – Timber-framed buildings, located:

  • Where the Seismic Hazard Factor Z (defined in NZ 1170.5) is less than or equal to 0.45 (refer to Figure 6 of the Firth RibRaft® Technical Manual January 2020)
  • in any wind zones up to and including Extra High
  • in areas with snow loads up to 2.0 kPa
  • in all exposure zones (except microclimates)
  • and where the ground Ultimate Bearing Capacity exceeds the value specified in Table 2 for the types of construction in Table 1 of the Firth RibRaft® Technical Manual January 2020.

2. The Firth RibRaft® Floor System must be designed and installed in accordance with the Firth RibRaft® Technical Manual January 2020.

For assistance with locating previous versions, please contact the information provider.
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For assistance with locating previous versions, please contact the information provider.
This resource is not cited by any other resources.

Firth RibRaft® Floor System

This document is not CITED BY any other resources:

Firth RibRaft® Floor System

Description

The Firth Ribraft® Floor System comprises of polystyrene pods, steel reinforcing, plastic spacers and Firth Ribraft® concrete. The system consists of the following components:

  • Ribraft® Polystyrene Pod 1100mm x 1100mm x 220mm. 300mm thick pods are also available for deeper edge beams and internal ribs 
  • Firth Pod and Reinforcement spacer (300mm and 100mm) 
  • Firth Reinforcement chair 
  • Reinforcement Grade 500E 
  • Mesh reinforcement 
  • Firth Ribraft® Concrete 20 MPa or 25 MPa 
  • Sand blinding 
  • DPM (250 micron polyethelene sheet)

The Firth RibRaft® Floor System is a method of concrete floor construction, suitable for all slab-onground concrete floors for domestic or residential buildings that fall within the scope of NZS 3604:2011 Timber framed buildings.

 

View on Information Provider website Download this resource (PDF, 433KB)
Firth RibRaft® Floor System
Description

The Firth Ribraft® Floor System comprises of polystyrene pods, steel reinforcing, plastic spacers and Firth Ribraft® concrete. The system consists of the following components:

  • Ribraft® Polystyrene Pod 1100mm x 1100mm x 220mm. 300mm thick pods are also available for deeper edge beams and internal ribs 
  • Firth Pod and Reinforcement spacer (300mm and 100mm) 
  • Firth Reinforcement chair 
  • Reinforcement Grade 500E 
  • Mesh reinforcement 
  • Firth Ribraft® Concrete 20 MPa or 25 MPa 
  • Sand blinding 
  • DPM (250 micron polyethelene sheet)

The Firth RibRaft® Floor System is a method of concrete floor construction, suitable for all slab-onground concrete floors for domestic or residential buildings that fall within the scope of NZS 3604:2011 Timber framed buildings.

 

View on Information Provider website Download this resource (PDF, 433KB)
This resource does not cite any other resources.

Firth RibRaft® Floor System

This resource does not CITE any other resources.
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