CADjockey Posted June 19, 2018 Share Posted June 19, 2018 A friend of mine has just finished a build and covered it in mid range Spanish slate roof tiles. It is noticeable that a number of the slates are no longer laying flat on the slate below at the leading edge. That they have curled up a bit like the pages of a book as they have dried out? It may obviously be an issue under driving rain, but how common is this as I've never seen it before and I am planning a slate roof on our project? Link to comment Share on other sites More sharing options...
Construction Channel Posted June 19, 2018 Share Posted June 19, 2018 I have never heard of slates curling from drying out. We’re they definitely flat when they were laid? You would normally get a kicker from nailing them on too hard or the previous slate having a thick top, worst case is the slate has actually snapped so you would need to pull it out with a slate rip then relay a new one on a lead or copper tingle. ( assuming this is standard slating not nulock or fake slates) Link to comment Share on other sites More sharing options...
Mr Punter Posted June 19, 2018 Share Posted June 19, 2018 More likely the battens or rafters have shrunk or twisted or a fixing or slate is broken. When you buy your slate, make sure that they are consistent thickness and straight grain. Get a stack of about 12 and see if they wobble when you press the corners. Link to comment Share on other sites More sharing options...
CADjockey Posted June 20, 2018 Author Share Posted June 20, 2018 None of them have snapped yet, and they all went on flat, it's just happened over a short time post fit. Link to comment Share on other sites More sharing options...
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