Plaster

Plaster is for cement-based and traditional plastering projects where a smooth or durable surface is the goal.

You’ll find guides on surface prep, bonding, scratch/brown/finish coats, patching, corner details, sanding and finishing, and how to avoid common issues like cracking, poor adhesion, and uneven texture.

If your project is “make this wall look right again,” this is the category to start with.

Worker spraying plaster onto wall wearing safety gear

Restoring Plaster Picture Rails: Patch Techniques That Preserve Shadow Lines

Introduction Restoring plaster picture rails means repairing damaged plaster while keeping the thin, shadowed groove where the rail meets the wall intact. This is a hands-on patch job that focuses on feathering new material into the old, matching texture, and protecting the shadow line during work. Expect to use basic plastering tools, patching compounds, and […]

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Person applying plaster to plaster cornice with trowel and spatula

Plaster Cornice Repairs: Making Simple Running Molds for Clean Profiles

Introduction Plaster cornice repairs using simple running molds means making a flexible or straight guide that lets you press or cast matching profile runs to restore damaged cornice sections. It’s a hands‑on jig you shape to the original profile and use to form or press repair material in place. This approach is practical for small

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Person smoothing plaster on ceiling with trowel

Fixing Plaster Cracks at Ceiling Medallions: Stress Relief Cuts and Rebuild Strategy

Introduction Fixing plaster cracks at ceiling medallions means cutting relief gaps to stop old stresses and then rebuilding the substrate so the medallion sits on sound plaster, not cracked or loose bits. Start by exposing the damaged area cleanly, check the lath condition and how the medallion is attached, and decide whether to repair lath

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