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.

close-up of white textured stucco wall surface

How to Identify Your Stucco Type (Traditional, Acrylic, Eifs) Before Repairing

Introduction Identifying your stucco type means distinguishing traditional cement or lime-based stucco from acrylic and EIFS. Traditional stucco is usually cement-based, acrylic uses polymers, and EIFS adds an insulated finish. Check the surface feel, appearance, and any labeling to confirm the type before starting repairs. Have the right tools and materials on hand, including scrapers, […]

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Hand with glove applying stucco using metal trowel on wall

3-Coat Stucco vs. One-Coat Stucco vs. EIFS

Introduction Traditional 3-coat stucco, one-coat stucco, and EIFS are complete exterior wall-cladding assemblies—not interchangeable finish products. The right choice depends on the wall type, drainage and flashing design, insulation goal, local code, and whether a trained installer is available for the exact specified system. Short version: Choose 3-coat stucco for a conventional cement-plaster assembly when

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Corner of wall with visible large crack in plaster

Winter Ice Dams and the Risk of Stucco Water Damage: Problems Explained: Causes, Testing, and Fixes

Introduction Ice dams occur when melted snow refreezes at the eave, driving water against exterior stucco and risking damage. In winter, heat loss through the roof and improper insulation can fuel that melting, while lingering dammed water can seep behind the stucco. This article explains the problems, the common causes, and practical ways to spot

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