I live in a semi and my neighbour's got a leak in their roof. I suspect they've a cracked tile which has been leaking for years, causing rot in the battens and felt.
They're having all the tiles removed and all the battens and felt replaced, front and back, because, according to the roofer they've employed 'they're all rotten'.
I'm told an additional row of tiles will be added, presumably to give a greater overlap.
It's a Wimpey house built in the mid '60s with concrete tiles. The roofing felt appears to be a sort of bitumised cotton.
Can anyone tell me how this is likely to affect me, particularly at the boundary of the roof?
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