Sealing Plaster Walls For Tiling

I d just stick the tiles on nix though i would key the plaster with sand paper i normally tell customers to leave fresh plaster for a week if painting then to apply a thinned out undercoat they all nod but as soon as it looks dry the paint is on the wall.

Sealing plaster walls for tiling.

It should be a minimum 12 5mm thick when fixed to timber framing or battening and fixed in accordance with the manufacturers recommendations. Thoroughly vacuum the area and give the wall a once over with a damp sponge or cleaning cloth. Seal the walls with a skim coat and let it dry thoroughly. Plaster is a weak material compared to brick and cement.

Bear in mind that raw brick blockwork and cement are mostly uneven. Sand with a medium grit sandpaper to create a uniform surface that s not too smooth. You want the tile adhesive to have something to grab onto. Fresh plaster takes up to 30 days to dry and wooden surfaces can use a layer of polyurethane paint.

Ideally the wet areas should be tanked you can tile straight onto the plaster unless the surface is highly polished then it should be brushed with a stiff brush and primed with something like bal apd or dilute sbr. 1 paint over area with watered down matt emulsion 40 water 60 paint 2 cover area with watered down pva glue. Tiling onto plasterboard walls preparation for tiling onto plasterboard plasterboard should be dry securely fixed and rigid with no protruding fixings with the face to receive decorative finishes exposed. What is the best option to prepare newly plastered walls for tiling.

Make a mark on the wall with your starting point. When applying tile to a plastered surface it is important not to overload the weight of what the plaster will take before failure occurs plaster will support about 20kg m2 or about a 9mm thickness of ceramic tile.