Hi,
A valley on my tiled roof is leaking and I was going to rebed it all but I spoke to a guy at bunnings who said to just remove all the mortar and it shouldn't leak. I know they don't use mortar in valleys on new roofs but I'm not sure whether it's ok to remove all the mortar on my roof as the valley is cut wider than on new roofs and I'm not sure if anything else is different. He said if I wanted to I could buy some foam stuff from hytile to put in the gap but it wouldn't matter if I didn't.

Also, if I do remove all the mortar I'm not sure what to do at the top of the valley where it meets another valley. I've attached photos below showing what I mean.

Thanks for any help.

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