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.

Close-up of patterned decorative plaster with floral design

Patterned Decorative Plaster Patches: Aligning Repeats and Hiding Seams

Introduction Patterned decorative plaster patches are small, repeatable designs applied to damaged plaster to create a seamless look. The goal is to line up the pattern so the patches blend with the surrounding wall and hide the seams. Work with the existing texture and color as a guide. Start by cleaning the area and roughing […]

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Hand applying green paint to white wall with roller

Roller-Applied Base Coats for Plaster Skims: When They Improve Flatness

Introduction Roller-applied base coats are thin plaster coats spread with a roller to help flatten and level a wall before the final skim. This approach is done after the substrate is prepped and dampened as needed. It gives you a smoother starting surface, but it isn’t a substitute for proper substrate prep or final finishing.

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Worker smoothing wet plaster on wall with trowel wearing orange gloves

Plaster Blisters from Trapped Moisture: Drying Strategy Before You Re-Skim

Introduction Blisters in plaster happen when moisture is trapped behind the skim coat, causing bubbles. Before you re-skim, the goal is to dry out the area and reattach loose material. Check the plaster surface for loose edges and follow manufacturer instructions or local rules for drying. Give the area plenty of ventilation and use gentle

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