Fixing Multiboards with dabs of Foby PF Mortar and dowels on uneven surfaces

  • 1. Punch out, well divided, 8 holes in the Multiboard.
  • 2. Apply 8 dabs of Foby PF-Mortar of at least 2 cm thickness on the holes in the Multiboard.
  • 3. Apply the Multiboard against the wall, push and adjust. Then let the adhesive cure completely.
  • 4. Drill through the Multiboard and the cured dabs into the wall and drive in the dowels with 30mm washers.
  • 5. Apply self-adhesive fibre glass tape embedded in tile adhesive on the joints (or if necessary waterproofing tape embedded in waterproofing paste).
  • 6. Then apply the tiles directly on the Multiboard with tile adhesive.

Application of Multiboard on secure and rigidly fixed wooden floors with Foby PF-Mortar and screws and washers

  • 1. Apply on the flat floor Foby PF-Mortar.
  • 2. Lay the Multiboard in the PF-Mortar with staggered joints and let the PF-Mortar cure completely.
  • 4. Apply self adhesive reinforcement tape on the joints and the washers.
  • 3. In addition, fix with 8 wood screws and 30mm washers per board the Multiboard on the wooden floor.