Q Am I right that when sections of plaster break away from the lath, an accepted repair technique is to roughly fill in those gaps with drywall and then drywall over the whole wall or ceiling? — M.H., ...

Removing the plaster from a vintage house is a nasty job. It generates yards of debris and creates clouds of dust that go everywhere. We have some advice: don’t assume the plaster has to go. In fact, ...