- Timber floors must be rigid, checked for flatness.
- The floor must be primed, before fully dry apply flexible cement adhesive layer with notched trowel, boards then laid (min 10mm) in a staggered pattern, fully bedded to ensure no void under the boards.
- When the adhesive cured apply fibreglass tape to the joints and flexible tile adhesive.
- After flexible tile adhesive dries secure the boards with screws and washers at the rate of 15/board with min 30 from the edge.
For waterproof construction all joints, penetrations must be treated by approved polyurethane waterproof membrane as per manufacturer's recommendation.