P
Perry
Dave this is ard work do you use any tile adhesive under the boards as i have never used hardiebacker myself because all the board i have used they have been stuck down like this er type
http://www.pci-uk.com/PCIUK/En/products/intermediate_substrates/Construction+Boards/default.htm
http://www.pci-uk.com/PCIUK/En/products/intermediate_substrates/Construction+Boards/default.htm