For: 9mm thick sheets Product code: 306104 A horizontal flashing that replaced the “h” flashing. It creates an attractive 6mm horizontal shadow line. To assist installation, it features an alignment tab for the top panels. Like the “h” jointer it has a groove to conceal the top edge of the bottom panels.Use the Hardie 9mm Aluminium Horizontal Express Jointer Connector (306110) to connect the Hardie 9mm Aluminium Horizontal Express Jointers on runs of over 3 meters. Note: 9mm Axon Cladding does not fit the groove. 3000mm