Webercol Plus is used for fixing a wide range of tiles (ceramic, sandstone, granite, marble, parcelain, etc) on the following substrates; concrete, lightweight blocks, stone walls (cleaned and prepared), glazed tiles (internal use), Cementitious plaster and renders, gypsum board (primer is required), fixing of polystyrene board to concrete or Cementitious. Webercol Plus can be used for tiling in; Private swimming Pools (<80m). Bathrooms. Stairs. Heated floors. Facades. Rooms. Parking. Weight 20kg color grey tiles gum.