macten TF Esteemed Arms Mar 28, 2009 #2 I like to use 6mm NMP for solid floors and tend to go for Hardie500 for walls in shower areas as it is the same size as 12mm PB that I use for dry areas.
I like to use 6mm NMP for solid floors and tend to go for Hardie500 for walls in shower areas as it is the same size as 12mm PB that I use for dry areas.