Hi guys, I'm after some advice please. I am about to buy all the gear i will need to tile a kitchen wall, but getting a little stuck on what im going to do with a lip in the wall where an old coal stove used to be. the lip is proud from the wall approx. 15-20mm. Is there an aluminium trim i could use to make the lip into some kind of small splash back? I've drawn a simple diagram for you to get an idea.... (left - Side profile. Right - front profile) Many thanks.