Do not use on flush joints or highly textured and/or porous tiles.
Davco Rejuvenation Grout (RG 100) is suitable for use in grout joints with at least 1mm of depth from the existing grout surface to the top of the tile.
Tiles must be glossy and smooth.
Davco Rejuvenation Grout (RG 100) is suitable for internal and external walls and floors.
Also suitable for use in pools and submerged areas.