Will neighbours new roof cause mine to leak?

[Celeronmanuk]

I wouldn't accept this being done to my roof, no way! Terrible job.

 

[Dr C]

Unfortunately the full roof load of good natural slates that came off went into a skip. We will be checking for leaks regularly but are now accepting its probably a case of when not if it happens, at least until we can get it sorted properly when we get our slates relayed. The contractor said the slates had to joined that way as getting the dry gutter in would have wrecked our side of the roof and the new/old were too different sizes to be done any other way. What would the solution be if thats the case?

 

[Celeronmanuk]

I expect it to leak when the wind drives the rain under your roof. Can't see the reason a dry bonding gutter wasn't used. Not sure what the legal side is when the neighbour wants to do this, but i'd have held out that they use the same slates and bond it in as original or don't do it. This is horrible

 

[denso13]

The contractor said the slates had to joined that way as getting the dry gutter in would have wrecked our side of the roof and the new/old were too different sizes to be done any other way.

That's nonsense. Something like the pic below which shows the neatness of the slate side. There are different types of bonding gutter available.

 

[datarebal]

Fobbing you off.
He has already messed with your side.
he has stripped enough to use a grp joining strip.
It can be also done with individual soakers too and looked ok
Slate size has no bearing..
The picture posted is a good example of one system