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Yes, you can limewash surfaces other than brick. Plaster, stone, stucco, and concrete can all also be limewashed. Any porous surface that will absorb the wash is a good candidate for limewash, although it won’t help much with waterproofing. If you choose to limewash over paint, you’ll need to prep before applying it to avoid a powdery, chalky finish. Shiny surfaces like metal or glass can’t absorb limewash, so it’s not suited for these.

If you’re deciding between limewash versus whitewash, know that both have a chalky matte appearance. Limewash is made from lime, water, and sometimes pigment, while whitewash consists of lime, water, white chalk, and binders (though you can get a similar look with watered-down white paint). Whitewash has fewer options for color customization, and it sits on surfaces instead of being absorbed into them, which can trap moisture. Whitewashing costs less—about $1.40 to $4.20 per square foot.

How long limewash will last depends on the quality of the application and the porosity of the surface. For example, a limewash on brick will last five to seven years. If it's a home exterior application, exposure to specific weather conditions is also a factor. Limewash tends to develop a patina over time, and its natural look masks damage and imperfections well.

When comparing which is better between German schmear, whitewash, and limewash, your answer will depend on the look you're going for. German schmear is the best option for those who want a heavily distressed look for their brick without full coverage. Whitewash is best if you like the current brick color and want it to show through. Limewash paint is best for full coverage.