Hi chaps , ive got to pva and skim a living room next week ,the client has had a wood burning stove fitted, the chaps that fitted it skimmed behind it first ,as there isnt to much room [ did a decent job ] unfortunatly it has started to firecrack ,cos of the heat ,any ideas of how to stop it cracking, as i,m going to take the loose off pva and re skim....dsdave