Design requirements
                                                                                            A specialized, highly breathable, Branz Appraised roof and wall underlay (Ventia Iron) with an integrated drainage mat pre-applied.Designed for use under open-pan style metal roofing such as - Eurostyle, TRS Standing Seam, ESPAN, Eurotray, or Euroline where specific drainage and ventilation is required.It can help reduce the "oil canning" issue in long run sheets.  Suitable for all climate zones in New Zealand. Suitable for Extra High wind zones. Can be used directly on Plywood Sarking and RAB wall systems. Not suitable for roof pitches less than 3 degrees.  Roof pitch below 3 degrees require a Specific Engineering Design.As a secondary function, the product may be used for retrofitting walls when a cavity is required between the wall cladding and the wall insulation material.   		
                                                                                         
                                                                                        
                                                                                            Maintenance requirements
                                                                                            Must be installed correctly to comply. 
                                                                                         
                                                                                        
                                                                                        
                                                                                        
                                                                                            Manufacturer
                                                                                            
                                                                                                
Legal Trading Name:
                                                                                                Ebuilt
                                                                                            
                                                                                            
                                                                                                
Business Email:
                                                                                                info@ebuilt.co.nz
                                                                                            
                                                                                            
                                                                                            
                                                                                                
Contact Number/s:
                                                                                                9 9166750