Looking at buying a 1900 cavity wall house, which needs the wall ties
replacing due to failure of the original ties.
I have had a quote for the work, but with no mention of removing the old
The survey picked up some cracking in the brickwork, attributed to the old
ties corroding and expanding.
The replacement ties will obviously bring the wall back up to strength, but
if the old ties are left in, will the corrosion cause further damage to the
If the old ties do have to come out, how are they removed?