Technical Statement
                                                                
                                                                
                                                                
                                                                    
Product Description
                                                                    
                                                                
                                                                
                                                                
                                                                    Scope of use
                                                                    Plumbdek is used for residential roofing and cladding, industrial/commercial roofing and cladding and curving. Plumbdek can be crimp curved to a radii of 400mm and greater.
Available in metallic coated and pre-painted steel in .40mm and .55mm BMT (base metal thickness), and pre-painted aluminium in .90mm.
Plumbdek is suitable for a wide range of end uses including roof
and wall cladding, ceilings and linings.
For applications requiring compliance with NZBC Clause E2, the minimum pitch is 3°.
Plumbdek is available in translucent clear sheeting (GRP – fibreglass) to match the  Plumbdek profile. Matching natural lighting can be selected in trafficable, non-trafficable and fire rated options.
                                                                 
                                                                
                                                                
                                                                    New Zealand Building Code (NZBC)
                                                                    The product will, if employed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:
                                                                    
                                                                 
                                                                
                                                                
                                                                    Notes
                                                                    C Fire: Colorsteel® Maxx® is rated as a Group 1-S material and has an average specific extinction area of 107.0m2/kg, a peak heat release rate of 15.3 kW/m2 and total heat released of 0.44 MJ/m2 when tested in accordance with ISO 5660:2002 Part 1 and Part 2.  
Colorsteel® Endura® is rated as a Group 1-S material and has an average specific extinction area of 132.2m2/kg, a peak heat release rate of 16.0 kW/m2 and total heat released of 0.54 MJ/m2 when tested in accordance with ISO 5660:2002 Part 1 and Part 2.  
G12 Drinking Water: Colorsteel® Maxx® and Colorsteel® Endura® samples tested in accordance with AS/NZS 4020:2005 passed the requirements for products in contact with drinking water.
                                                                 
                                                                
                                                                
                                                                    Evidence
                                                                    The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
                                                                    COLORSTEEL Fire Testing Bulletin
COLORSTEEL Endura PTS
COLORSTEEL Maxx PTS
COLORSTEEL Dridex PTS
COLORSTEEL Dridex+ PTS
                                                                 
                                                                
                                                                
                                                                    Supporting evidence
                                                                    The product has and can make available the following additional evidence to support the above statements:
                                                                    
                                                                 
                                                                
                                                                
                                                                
                                                                
                                                                    
Product Criteria
                                                                
                                                                
                                                                
                                                                
                                                                    Design requirements
                                                                    To comply with the performance clause of NZBC clause E2 roof cladding to be installed in accordance with (1) acceptable solution E2/AS1 (2) NZMRM Code of Practice and (4) S&T specifications. (3) S&T Details and available on ‘www.steelandtube.co.nz’, (4) S&T specifications.
Roof cladding to be installed in accordance with acceptable solution E2:AS1 clause 8.4.6 Structure and table 11&12 for the wind zone at the specific site location. For additional information refer to NZMRM Code of Practice section 3.16 Maximum span and fastener requirements. 
                                                                 
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                    
                                                                        Quality Assurance
                                                                    
                                                                        
                                                                            
                                                                                    
                                                                                        
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                                                                                        ISO 9001 (Quality Management) | 
                                                                                    
                                                                                
                                                                        
                                                                    
                                                                 
                                                                
                                                                
                                                                    Relationships
                                                                    
                                                                        
                                                                            
                                                                            
                                                                            
                                                                            
                                                                                    
                                                                                        
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                                                                                        New Zealand Made | 
                                                                                    
                                                                                
                                                                                    
                                                                                        
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                                                                                        Environmental Choice New Zealand  | 
                                                                                    
                                                                                
                                                                            
                                                                                    
                                                                                        
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                                                                                            Eco Choice Aotearoa
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					Date last validated: 
                                                                            25 June 2024 | 
					
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					Date last updated: 
                                                                            25 June 2024 |