Technical Statement
                                                                
                                                                
                                                                
                                                                    
Product Description
                                                                    
                                                                
                                                                
                                                                
                                                                    Scope of use
                                                                    Ardex WPM 189 (Shelterbit Duo Mineral Membrane) isused as a multi-layer membrane in horizontal or vertical applications for waterproofing balconies, terraces and roofs. Ardex WPM 189 (Shelterbit Duo Mineral Membrane) is the final layer in the system
                                                                 
                                                                
                                                                
                                                                    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:
                                                                    - Clause B2 Durability: Performance  B2.3.1, B2.3.1(b)
 - Clause E2 External moisture: Performance  E2.3.1, E2.3.2
 - Clause F2 Hazardous building materials: Performance  F2.3.1
 
                                                                 
                                                                
                                                                
                                                                
                                                                
                                                                    Evidence
                                                                    The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
                                                                    
    - E2/AS1 External moisture
 
    - BRANZ Appraisal 463
     
                                                                 
                                                                
                                                                
                                                                    Supporting evidence
                                                                    The product has and can make available the following additional evidence to support the above statements:
                                                                    
                                                                 
                                                                
                                                                
                                                                
                                                                
                                                                    
Product Criteria
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                    Installation requirements
                                                                    The application of Ardex WPM 189 Shelterbit Duo should be carried out by an approved Applicator. Installation shall be strictly in accordance with the manufacturer’s recommendations. Acceptable substrates to which Ardex Shelterbit is to be installed must be properly prepared prior to membrane installation. All surfaces must be dry, clean, smooth, and free of sharp edges, loose or foreign materials, oil, grease and other materials which may damage the membrane. Prior to the application of Ardex Shelterbit base substrate surfaces should be primed with Ardex Shelterbit Coverage of primer will depend on the porosity of the substrate. Ardex Shelterbit is normally fully bonded to the prepared substrate with side laps of 100mm and end laps of 150mm. Overlaps shall be sealed by torch
                                                                 
                                                                
                                                                
                                                                    Maintenance requirements
                                                                    Building maintenance is important. Annual cleaning of the surface and visual inspections are recommended.
                                                                 
                                                                
                                                                
                                                                    Warrantees
                                                                    ARDEX Shelterbit membranes carry a 20 year warranty.
                                                                 
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                    
                                                                        Quality Assurance
                                                                    
                                                                        
                                                                            
                                                                                    
                                                                                        
                                                                                              | 
                                                                                        ISO 9001 (Quality Management) | 
                                                                                    
                                                                                
                                                                        
                                                                    
                                                                 
                                                                
                                                                
                                                                    Relationships
                                                                    
                                                                        
                                                                            
                                                                            
                                                                            
                                                                            
                                                                                    
                                                                                        
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                                                                                        Member of New Zealand Green Building Council | 
                                                                                    
                                                                                
                                                                            
                                                                        
                                                                    
                                                                 
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                                
                                                             
                                                            
				
					
                                                                              | 
					Date last validated: 
                                                                            22 September 2022 | 
					
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					Date last updated: 
                                                                            22 September 2022 |