especially at the corners thereof, obscurely prompted by dreams of striking upon some old, earthen-worn memorial of that by-gone day, when, into all this gloom, the light of heaven entered, as the masons laid the foundation-stones, peradventure sweltering under an August sun, or pelted by ...
A better approach and the one used by most chimney repair masons who are not going to simply reline the flue, is to remove all of the damaged materials down to sound chimney flue liner and brick or block, then rebuild with new clay flue liner and brick (or block), adding an appropriate...
Talk to a couple of masons and a couple of engineers - structural or civil, not electrical or someone else who might be practicing out of their area of training and specialty) - ask what they will do on site, what kind of report you'll get, about how much time is typically needed to...