How to Repair a Damaged Plaster Cornice (No Replacement Needed)
Your plaster cornice has cracks, chips, or damage — but it doesn’t need to be replaced. If you've got cracks or damage in your cornice or crown moulding, this is the exact method restoration professionals use.
Andy, a third-generation plasterer with over 45 years of experience, shows exactly how he repairs the cornice in situ — WITHOUT removing it.
This step-by-step plaster cornice repair covers:
How to mix plaster of Paris (gauge)
Preparing the damaged cornice
Applying and shaping plaster
Carving and matching the original profile
Final smoothing and finishing (including light sanding)
This is the exact method restoration professionals use to repair cornice and crown moulding while preserving the original features.
Tools & materials used:
Plaster of Paris
Water
Busk (cabinet scraper)
Small hand tool (a spoon works)
If you're repairing plaster in your home, this technique will help you fix damaged cornice or crown moulding properly instead of replacing it.
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#plastering #cornice #restoration #heritage #crownmoulding #DIY
⏱ Chapters:
00:00 How to Repair a Damaged Cornice (Without Replacing It)
00:10 How to Mix Plaster of Paris (Gauge)
00:35 Plaster Cornice Prep
01:01 Applying Plaster to a Damaged Cornice
02:39 How to Shape & Carve Plaster Cornice
04:01 Building Up Plaster to Match Original Profile
05:18 Plaster Cornice Touch-Up & Refining
06:18 Smoothing & Blending the Repair
09:09 Final Finishing & Sanding Plaster
10:20 Outro - GET PLASTERED
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👷 About Get Plastered with Andy
Andy is a third-generation plasterer from England, now based in Canada, with over 35 years of experience.
His son Declan is learning the trade the traditional way — hands-on, on real jobs.
On this channel:
• Traditional plastering techniques
• Restoration & heritage work
• Real job-site videos
• Old-school skills still used today
🌐 https://sites.google.com/view/andymag...
📧 Business: [email protected]
Support the channel: https://ko-fi.com/getplasteredwithandy
#plastering #cornice #restoration #plasterrepair #diyrepair #crownmolding #homeimprovement