Johnson - Tiles

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Accessibility and support Application guides

	Before you start tiling, make sure you have a level base from. Set a batten horizontally one tile above the lowest point of fixing. Use a spirit level to make sure that the batten is level.

	Use an appropriate adhesive to suit the wall background and the service conditions. Start tiling by spreading the tile adhesive with a notched trowel but don't cover more than a square meter at a time. Set the first tile at the middle and work outwards on either side to make sure that the cuts are equal at each end.

	Place the tiles into the adhesive using a firm twisting movement, so that there is a good, even contact between tile, adhesive and the background. To ensure that the tiles are evenly jointed use tile spacer pegs.

	Before fixing the border and profile tiles, check how the joints bond. If they are a different width to the main filed tiles, staggered joints are preferable and will look less obvious.

	If you need a tile to have a curved or irregular edge, for example if it needs to fit around a pipe, mark the shape on the tile and create the shape you need using tile nippers. Finish off with a tile file to smooth any rough edges. When you're cutting, we recommend that you wear goggles to protect your eyes against fragments and dust from the tile.

	Cutting straight edges on tiles can be done accurately and quickly with a tile cutting machine. You can find these at good tile outlets and for hire from tool hire centres.

	When the tile adhesive is dry, fill the joints with grout. This should be worked into the joint flush up to the tile edge. Remove any excess grout with a damp sponge before it dries. You can get tools to help you spread the grout.

	Finally, polish the tiles with a clean dry cloth to clean off the grout residue. Abrasive cleaners and strong chemicals that may harm the decoration should not be used.

		If the tiles you are using are large format extra care should be taken when lifting and handling tiles to avoid injury. Any carton banding used to stabilize the cartons whilst in transit should be removed prior to lifting and opening cartons. The transit banding shouldn't be used to lift the cartons.

		Make sure that the surface you're tiling is dry, flat and free from surface contamination. New backgrounds must have been allowed to dry for the appropriate length of time prior to the commencement of tiling. The background should also be sufficiently strong and rigid to support the weight prior to tiling. If you are unsure, talk to a tiling professional before you start work.


		Large format wall tiles can be cut, shaped and drilled in the same manner as the smaller format wall tiles. Using a heavier gauge floor tile cutting tool will make the process easier. If you need to do any intricate cutting and shaping, we recommend using a wet diamond wheel cutting machine.

		Take care when grouting to avoid scratching the glazed surface. All scored and mosaic products are intended to be fully grouted. It is particularly important for tiling which will be subject to wet applications such as showers for the scoring to be grouted.

JOHNSON TILES - WALL & FLOOR TILES

Glazed tiles manufactured by Johnson Tiles in sizes 30 x 30cm, 36 x 27.5cm, 40 x 30cm, 43 x 43 cm and 60 x 30 cm are suitable for both wall and floor applications.

Wall tile usage can be in any internal application whereas floor tile usage is limited to domestic and light commercial installations. Domestic uses include bathrooms, en suites, hallways, conservatories and kitchens. Light commercial would include bathrooms and en suites, e.g. in hotels, business premises.

When using as floor tiles, solid bed fixing must be achieved. These tiles should not be used as a floor tile in areas subject to frequent wetting or in commercial kitchens. Under these conditions a more slip resistant floor tile is required, e.g. Kerastar Discface. When considering flooring usage in kitchens, hallways and conservatories, the PEI rating (abrasion resistance) should be taken into account. Tiles with a PEI rating 3 / 4 are suitable. As a “rule of thumb”, the darker the glaze colouration, the lower the PEI rating.

If the floor tiles are to be used where there is direct access from outside, then suitable barrier mats should be positioned to prevent the transfer of scratching dirt. Timber Floors – If the tiles are to be fixed to a timber base, the floor should be overlaid with marine ply of minimum thickness 15 mm. which has been sealed on the back side and edges. The ply should be screw fixed at 30 cm. centres and a flexible adhesive and grout are recommended. Solid bed fixing must be achieved.

As with all glazed floor tiles, they are inherently more slippery when wet and due care should be exercised. Any spillages should be cleaned immediately to reduce any risk. Cleaning of glazed floor tiles should be done with a neutral solution following the manufactures instruction. It is important to rinse the floor thoroughly with clean water as it is the rinsing process that removes the dirt.

Brick Bond Fixing – For 60 x 30cm tiles, we would recommend using the Johnson 1/3 bonding method in order to minimise any shadowing effect due to minor lipping.