Its luckily not a problem I come across very often.
However, I could imagine that in many cases only the inner part of the flue needs replacement and that sometimes it can be fed from the outside without opening any ducting.
But the access panels WILL need to be fitted before next April !
Tony
However, I could imagine that in many cases only the inner part of the flue needs replacement and that sometimes it can be fed from the outside without opening any ducting.
But the access panels WILL need to be fitted before next April !
Tony