If you have a whole tile in the centre try moving it so the joint is in the centre (or vice versa), this should mean the end pieces are then around 28mm more than half a tile.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local