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.

Hand applying plaster to wall with a trowel

Patching Plaster After Plumbing Access Holes: How to Keep the Patch from “Drumming”

Introduction Patching plaster after plumbing access holes means rebuilding the damaged wall so it won’t drum when you tap it. Start by carefully removing loose plaster around the hole and cleaning the edge so the patch bonds well. Check the backing and, if needed, install a thin scrim or patching plaster to create a solid […]

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Decorative plaster corbel on exposed brick wall

Rebuilding Decorative Plaster Edges: Simple Molds You Can Make to Match Profiles

Introduction Rebuilding decorative plaster edges means making simple, handmade molds to reproduce the profile you want. You can shape the mold from clay or use basic flexible material to match the original edge, then set it up for casting. Check the profile on the piece and follow manufacturer instructions or local rules for materials and

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Man applying plaster to interior wall with trowel

Plaster Repairs in High Humidity Rooms: How to Prevent Powdery Finishes

Introduction Plaster repairs in high humidity rooms require moisture-aware prep and material choices to stop powdery finishes. Start by preparing the walls carefully, removing loose material and cleaning the surface before patching. Choose materials and patching methods suited for humid conditions, and verify any limits on use with the product label or manufacturer instructions. Mix

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