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?

A base coat of plaster was put over wood or metal lath. About eighty years ago plaster lath was invented. These were small sheets of drywall that measured 16 by 48 inches. The base coat plaster ...

it has some definite advantages over drywall. That’s why it’s making a comeback. The traditional method of installing a plaster wall requires covering the framing studs with wood lath ...

you will see the plaster separate from the lath and form a bulge in the wall. With plaster over drywall application, the area will become soft. In both cases you will see a brown-tinted stain in ...

"What happens over the next 50 years all ... As traditional lath and plaster was used less frequently, Empire branched out into drywall, lightweight steel framing, fireproofing and acoustic ...