In article ,
chris wrote:
The walls are painted blue and the ceiling white. I am finding it very
difficult to get a smooth line where they meet. Are there any
techniques to doing this? Or do I just need a steady hand?

A steady hand is best. The problem with using masking tape is that it's
very likely to remove the paint it's stuck to, and emulsion can soak into
the edge anyway.

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*I'm not your type. I'm not inflatable.

Dave Plowman London SW 12
RIP Acorn