This question arises in various forms throughout any old house remodel (from molding to appliances to fenestration), I find it often first pops up when it comes to plaster.
Generally, plaster performs better than drywall because it is more massive: three coats of hand-applied material (brown coat, scratch coat, and finish coat) typically deliver rock-solid, sound-deadening walls and ceilings with a glass-smooth finish–emphasis on sometimes. And whether we should repair or replace a decision blended up with personal and mechanical realities.
At all times follow your heart.
[…] It’s the same story for every room in this 100-year-old house. Truck away a few tons of plaster and replace it with insulation, studs, and […]