Drywall vs Plaster: A Guide for Owners of Historic Athens Homes
Cobbham, Boulevard, and Five Points are full of plaster walls. Here's when to repair plaster, when to drywall over, and what we recommend.
Plaster Is Different — and Athens Has a Lot of It
The historic neighborhoods around Athens — Cobbham, Boulevard, Five Points, Buena Vista — were largely built before drywall (sheetrock) became standard in the late 1940s. That means the walls in your 1920s bungalow are almost certainly lath and plaster, not drywall. When that plaster starts to crack, sag, or fail, owners face a real decision: repair the plaster, or skin over it with new drywall? Here's how to think it through.
Why Old Plaster Fails
Plaster walls in Athens typically consist of three coats of lime-based plaster applied over wood or metal lath nailed to the studs. The first ("scratch") coat keys into the gaps between lath strips, locking the system together. Over decades, vibration, moisture cycling, and house settlement break those keys, and the plaster begins to separate from the lath — visible as cracks, bulges, or hollow-sounding sections.
Option 1: Repair the Plaster
For historically significant homes, or for owners committed to original materials, plaster can absolutely be repaired. The technique involves reattaching loose sections to the lath with plaster washers and screws, then patching cracks and holes with traditional lime plaster or a modern setting-type compound that bonds well to existing plaster. Done well, the repair is invisible and the home retains its original wall material.
Option 2: Skim Coat Over Existing Plaster
For walls that are structurally sound but cosmetically tired — small surface cracks, minor unevenness, slight failures — a skim coat of joint compound over the entire surface produces a smooth modern finish without removing anything. We mesh-tape cracks, bond a thin scratch coat to the plaster, and apply two skim coats to a smooth Level 4 or 5 finish. The result looks like new drywall but preserves the original system underneath.
Option 3: Drywall Over the Plaster
When plaster has failed extensively — multiple sections detached, large cracks, water damage — the practical answer is often to install 3/8-inch or 1/2-inch drywall directly over the existing plaster, screwed into the studs through the plaster and lath. This adds thickness (you'll need to extend window stops and switch boxes), but it's significantly faster than demo-and-redo and avoids the dust and disruption of plaster removal.
Option 4: Full Demo and New Drywall
For homes undergoing major renovation — opening walls for electrical, plumbing, or insulation upgrades — full plaster demo is often the right call. We pull the plaster and lath, deal with whatever is behind it, then frame as needed and install new drywall to a modern finish. This is the most expensive option but produces the cleanest result and lets you upgrade everything in the wall cavity.
What We Recommend for Different Situations
- Hairline cracks only: Skim coat with mesh tape on the cracks. Most cost-effective.
- Detached sections under 3 sq ft: Plaster washer reattachment, then patch.
- Multiple failing sections: Drywall over for cost; full demo if you're remodeling anyway.
- Historic preservation priority: Traditional plaster repair, by a specialist if available.
- Water-damaged plaster: Demo affected area, address the source, replace with drywall.
Free Athens Plaster Assessment
If you own a historic Athens home and you're not sure what to do with the walls, call Athens Drywall Pros at (706) 555-0200. We'll come look at the actual condition, give you honest options, and quote each. We've worked on dozens of Cobbham and Boulevard homes and we know how to handle plaster respectfully.