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 holding a float tool smoothing plaster on wall

Traditional Plaster Corners Without Metal Bead: A Clean Corner-Float Method

Introduction Traditional plaster corners without metal beads are built by floating plaster to a clean, sharp edge. Key takeaways Prepare raw corner by removing paint, dust, and protrusions for plaster bonding. Establish guides and screeds to create a true 90-degree plaster edge. Apply backing coat evenly before corner float to avoid laitance. Use a controlled […]

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Worker smoothing plaster on wall with trowel

Plaster Near Masonry Chimneys: Expansion Gaps That Prevent Heat-Cycle Cracks

Introduction Expansion gaps between plaster and masonry chimneys help prevent cracks from heating and cooling. When the chimney heats up, the brick or metal behind the plaster expands and the plaster needs room to move. Without a gap, cracks can form as parts push against each other. To set this up during a DIY job,

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Hand smoothing lime plaster on wall with trowel

Lime Plaster in Basements: Moisture Testing, Vapor Drive, and Paint Choices

Introduction Lime plaster in basements is a breathable plaster finish that helps manage moisture. It relies on lime’s chemistry to let vapor pass while providing a durable coat. This DIY approach requires careful moisture testing and proper surface prep. Moisture testing, understanding vapor drive, and choosing compatible paints matter for long-term performance. Check product labels,

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