Tiling and Flashing Behind Chimney

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Hi, just wondering what you guys think of this recently done area at the back of the chimney. The red tiles are an existing roof, the grey ones are a new roof just done next door. Doesn't seem to be any tiles behind the chimney, just flashing to fill the void. Also seems to have placed a tiny piece of tile underneath to level them. Thanks.

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Hi, just wondering what you guys think of this recently done area at the back of the chimney. The red tiles are an existing roof, the grey ones are a new roof just done next door. Doesn't seem to be any tiles behind the chimney, just flashing to fill the void. Also seems to have placed a tiny piece of tile underneath to level them. Thanks.

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Is it leaking? If ots juat the middle tile, i cant see any rain entering the building..
 
Can't tell much from those pics.. Need one from the back
Thank you for your reply, it has appeased me a little actually as I was expecting 'it shouldn't be done like that!' replies. I only have pics from this angle at the moment, but I'm glad that, I assume, nothing stands out as being incorrect.
 
Is it leaking? If ots juat the middle tile, i cant see any rain entering the building..
Thanks for replying. It doesn't leak I was just concerned that, with it being a new roof it might not be common practice to do it this way. On similar houses nearby there is a row of tiles at the back of the chimney and the flashing goes underneath. Whereas here the tile (perhaps a tile and a half) are missing with the flashing on top covering the void. I assume it's normal to do it either way?
 
Thanks for replying. It doesn't leak I was just concerned that, with it being a new roof it might not be common practice to do it this way. On similar houses nearby there is a row of tiles at the back of the chimney and the flashing goes underneath. Whereas here the tile (perhaps a tile and a half) are missing with the flashing on top covering the void. I assume it's normal to do it either way?


It depends on how much lead flashing is tucked up under the tiles and up to the ridge. Where it could leak is if theres not enough lead tucked up under and where the two different tiles meet. I can see the black tile slightly higher than the red tile, not inter locked correctly. This can happen with different brand of tiles or even same brand but older versions and new. I have worked on jobs where builders have slightly grinded underneath where the grooves are and connected here with a strong silicone like ct1 or tech7 and the tiles never will be pulled apart. Not perfect but defo wont leak if done properly.

The lead work looks ok. Id be confident this wont leak on you.
 

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