 So that's the kinds of mixes you would use for mortar. But I think I would go ahead and repair the loose mortar where it exists. But in terms of the reinforcement, I can only imagine how many different opinions you're getting here. But the only opinion that I think really counts is going to be the one that comes from a structural engineer because, and here's a really important point, no matter what you do to fix this, if you don't have professional direction on this, it could potentially impact the value of your house.