Use silicone rubber seal- ant or a plastic sealing strip, stuck in place with the adhesive supplied or with a clear silicone rubber sealant. Ceramic quadrants, or edging tiles, may be available in match- ing colours. Stick these to the wall with waterproof adhesive and seal them to the bath or basin with silicone rubber sealant. Worktops Tiles for worktops must be tougher than those used on walls. Flooring-grade tiles can also be used. Applying sealant Applying sealant so that gaps are completely filled can be a difficult job.
Some dispensers have winged appli- cators that help to shape the sealant as it leaves the cartridge, but when using a straight nozzle the simplest way of getting a neat result is to run a strip of masking tape either side of the area to be sealed. Apply the sealant between the tape, and then, while it is still soft, wet your finger and run it quickly along the sealant, pressing it home and shaping it precisely. Next, carefully pull the masking tape away from the wall straight away, leaving behind a neat line of sealant. If any sealant does stray and starts to set, let it cure and then cut it with a sharp blade and peel it away to leave a clean finish. S Since these tiles are tougher than normal, you may find that your existing tile cutter cannot cope. In this case borrow or hire a heavy-duty cutter that can handle tiles of 1 Omm fabout YJin) or more thick.
Try to plan your worktop so that you can use multiples of tiles without the need for cutting. This will also look neater. Shaping can be a problem, however, for while a tile saw will cut hard tiles, its blade will blunt quite quickly. Some worktop tiles have matching edg- ing strips to give a neat, rounded look to tiling. For many tiles, however, you will need to produce an edging, and this can be formed with plastic trim strips designed to sandwich under the row of edge tiles as they are laid. Always use waterproof adhesive, and space the tiles with the larger spacers used for floor tiles. Finish with waterproof grout, and seal the joint between worktop and wall with a silicone rubber sealant or with a plastic edging strip.
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