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Head Office: 731 Boundary Road, Richlands, Qld 4077  |  P: +61 7 3271 2170  
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   Page: 21 of 76
Version Date: 2025-12-30
Steel Angles/Channels
1.2mm Pre-Painted Steel Angles
 - 40/40 mm & 70/40mm
1.2mm Pre-Painted Steel Channels
  - 50mm -250mm
11. INSTALLATION - AS ISO 9705 -  
       GROUP 1 INSTALLATION 
      REQUIREMENTS 
Fasteners
Rivets 
 - 4.8 x 12mm 304 grade stainless steel rivets
DeltaCool-EPS-FR™ Construction/Installation Parameters
To Comply with the AS ISO 9705 Group 1 Accreditation the 
following parameters must be followed
DeltaCool-TPC™ Construction/Installation Parameters
- Insulating sandwich panel, nominal thickness 250mm or less
- Panel core of Class SL ( to AS 1366.3) expanded EPS
- Clad both sides with “Colorbond” steel, thickness 0.4mm or greater
- Panel to panel junctions require steel angles fixed to the steel skins at not more than 300mm  
   centre, with steel rivets. Ceiling panel to panels joins require steel (stitch) rivet connecting the  
   metal skins at not more than 1200mm centres.
- The interlocking joints to be filled with a fire-resistant sealant secured with 4.8 x 12mm 304  
  grade stainless steel rivets at 1200mm centres.
- The internal mitred corners in the walls and the stepped wall to ceiling junctions to be filled with  
   a fire-resistant sealant and covered with 40 x 40 x 1.2mm pre-painted steel angle secured with  
  4.8 x 12mm 304 grade stainless steel rivets at 200mm centres.
- Panel comprising 0.6mm steel skins with a 100mm thick Phenolic composite (TPC) core.

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