7. I want to apply two different colours in one room and join them in the middle of one of the walls. How can I do it?

Using the painter's tape is the best method to separate two colours. When using the painter's tape you should remember about two important things: - first, remove the tape immediately after painting, when the paint is still wet; - second, pull the tape at the least possible angle. If you do not remove the tape soon enough glue might be left on the surface or the tape might come off with coat. Pay attention to the surface you want to apply the tape, it should be clean and dry.