We have an old, 2 pot, stack on a gable end. The breast was removed all the way up to the loft level many years ago and it has been left, unsupported, ever since (as far as I know). It's now leaking like a sieve, leaving a pool of water in our wardrobe area whenever it rains... We had a builder round to price up removing it and making right the roof, they have about a 6 week lead time so I think we need to do something faster.   They were talking about putting lintels into the roo