Tile-over-tile installation.

Structure type

Screed with existing ceramic or stone tiles in good condition that are not to be removed.

Detail

Installation of the new ceramic or stone flooring over the existing flooring.

Application cycle

1. Sand-cement screed, bonded or floating, with or without an impact sound separating membrane.
2. Existing ceramic or stone tiles, well bonded to the screed, that are not to be removed.
3. Bonding skim coat with RALLK Kerasiv K Flex, at least 24 hours after spraying or brushing RALLK Primer K acrylic bonding primer onto the existing tiles.
4. RALLK Kerasiv K Flex adhesive for laying ceramic or stone tiles indoors or outdoors, in small or large formats.
5. New ceramic or stone finish covering.

Additional information

1. On smooth or glazed existing tiles, roughen the surface with abrasive brushes and remove all dust before continuing with the system shown.
2. The new ceramic or stone covering must be kept away from the perimeter walls so that it does not butt against the plaster.
3. Wait 24 to 48 hours before walking on the floor.
4. See the individual product data sheets for application methods and precautions.