D.M. Procida wrote:
Do these need to be done in any particular order, if they're being
done at about the same time?

The insulation people said it doesn't matter as far as they're
concerned, but will new insulation interfere with the work to install
the new cavity ties?

Daniele

Wall ties first and then cavity fill.

That way, if there are any problems with crumbling bricks, blocked cavities
etc, these can be resolved first and then the cavitied filled and left
undisturbed.

Cash