It should be a minimum 12 5mm thick when fixed to timber framing or battening and fixed in accordance with the manufacturers recommendations.
Tiling onto plasterboard.
If you are using a cement based adhesive then use a primer as this will also help stop the adhesive recating with the gypsum in the plaster cheers.
Plaster is a weak material compared to brick and cement.
Tiles are ideal for showers bathtubs and backsplashes.
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.
Tiling onto plaster backgrounds.
Last edited by burnsy on tue jan 15 2008 10 07 am edited 1 time in total.
How to tile over painted drywall.
If you are tiling onto plaster board with a ready mixed adhesive there is no need to primer or pva.
If you are looking to place tiles on a drywall inside a bathroom you will need to use a vapor barrier or some type of backing in order to prevent the sheetrock from getting wet which will cause it to deteriorate.
Tiling over plasterboard involves adhering tiles to a paper surface and although this will present little problem in dry areas if the wallboard is subjected to moisture it may deteriorate causing failure.
If you want to update your kitchen or bathroom walls with tiles you don t have to remove existing painted.
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.
Tiling onto plaster is relatively straightforward provided you have prepared properly and use the right tools and products.
Make sure you plan ahead to prevent any mistakes take care with your setting out and ensure the surface is clean dry sound and flat.
Plasterboard is a very common indoor wall surface but is not suitable for tiling without waterproofing.