It looks like we're definitely on the right track. All of your responses have given me greater confidence in the path taken to date. I believe the mason is outside of his comfort zone and as such I've asked the contractor to bring in a mason with experience in dealing with these issues. I...
We are currently repointing the masonry on a 40 yr old building. The mortar that is being removed is very hard (Type M perhaps). We are repointing with Type N and it's cracking. We did a mock up with Type O and it cracked within 20 mins. I suspect the procedure the mason followed for the mock...
