Strange Mark on Wall Next to Chimney Breast? General decorating topics, questions and answers. find help, tips and advice on completing your decorating projects

[Humey86]

We recently moved into a house and a patch has appeared on the chimney breast. It is not changing size so i presume its not damp. Ive had people different things from the paint that was used to patch up to it coming from the brickwork. Any ideas?