Tiling On 1960 Gypsum Plaster Wall

Plaster walls became popular due to the durability and strength of the surface and are more common in historic homes that drywall.

Tiling on 1960 gypsum plaster wall.

When using a cement adhesive on your tiling projects you have to be careful when tiling direct onto neat plaster. This surface provides the right base for laying ceramic porcelain or other types of tile. A pinkish colour is likely to indicate a plaster bound with gypsum. Notice that according to the lab report this plaster wall is comprised of the folowing layers.

Plaster is a material commonly used to create smooth wall surfaces suitable for receiving decorative finishes such as wallpaper paint and tiles. Gypsum plaster based products and cement products do not get on with each other and can cause de bonding this is due to the chemical reaction that goes on when the two come together. Dependant on the type and thickness of the board. If you have a tiling job to do in your bathroom and the walls have been skimmed with plaster you have to follow a few guidelines when installing tile to make sure you do not have a failure resulting in all the tiles coming off the wall.

Expected load for tiling onto gypsum board should not exceed 32 kg m2. Firstly check the condition of the plaster skim it should be fully dried out and a light. Gypsum board is to be properly installed by the gypsum board installation contractor as described by the gypsum association s ga 216 which further references ga 214. A brown coat or rough coat of plaster.

The lab report refers to grey plaster wherein it found 1 5 chrysotile asbestos. Make sure that gypsum board is strong enough make sure that gypsum board plaster board is strong enough to support the load from tiles and adhesive. Recommended thickness of the board is at least 12 5 mm. Some preparation and a certain style of installation makes the process easier and more successful.

Glass reinforced cement sheets up to 50kg m2. Wall substrate maximum weight of tiling per m2 gypsum plaster 20kg m2 gypsum plasterboard direct without a plaster skim 32kg m2 plywood wbp up to 30kg m2 lightweight tilebacking boards up to 40kg m2. Dependant on the type and thickness of the board. See our guide to lime plaster to find out more.

Plaster backgrounds that are to receive tiles are usually based on gypsum building plasters and should be in accordance with bs 8481 and conform to bs en 13279 1.