Render / Stucco

Render / Stucco covers exterior cement-based finishes that protect walls and make them look good for years.

I write about substrate prep, lath and base coats, mixing, application techniques, control joints, curing, waterproofing details, and patch repairs. You’ll also see guides on diagnosing problems like cracking, hollow spots, moisture damage, and delamination.

If you’re working on an exterior wall finish, start here—prep and detailing matter more than people think.

Worker applying stucco with a trowel on exterior wall

Integrally Colored Stucco Finish Coats: Batching, Water Control, and Fade Resistance

Render / Stucco /

Introduction Integrally colored stucco finish coats are cement-based mixes with color added during batching so the color runs through the material. This article focuses on how batching, water control, and fade resistance affect a DIY project. You’ll learn practical steps you can take on a jobsite to keep the color even and the finish durable. […]

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Stucco wall with two boarded windows and one boarded door

Stucco Discoloration From Efflorescence vs Salts in Sand: Simple Tests and Fixes

Informative, Render / Stucco /

Introduction Efflorescence is a white salt bloom that appears on stucco when moisture moves soluble salts to the surface. It can look like chalky powder and is often mistaken for new stains. But salts in the sand or mix can also discolor, and moisture is the common driver. To tell efflorescence from salts in the

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white decorative plaster ceiling panels with geometric patterns

Stucco Delamination at Plywood Shear Panels: Why It Happens and How to Rebuild the Assembly

Render / Stucco /

Introduction Stucco delamination at plywood shear panels occurs when the stucco separates from the plywood backing, usually due to moisture intrusion and substrate movement. That separation shows up as cracks, bubbling, or flaking, and it weakens the exterior assembly. It’s a hands-on issue you can diagnose by looking for soft spots, damp patches, or loose

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