Arcus Plaster Medium

Arcus Plaster Medium

Arcus Lime Plaster (Medium) is a natural plaster product that combines the timeless beauty of old-world lime plaster and 21st century technology to create a refined decorative lime-plaster finish. Formulated from hydrated lime, fine-grain sand and proprietary natural additives, it contains a slightly larger aggregate than the “Fine” version of Arcus Lime Plaster to create a striking Marmorino-style finish with subtle texture and colour variation.

A colored finish coating, Arcus Lime Plaster can be applied over EIFS, stucco, sheetrock, cement board and many other substrates. In addition to its ease-of-use, durability and advanced aesthetics, Arcus Lime Plaster (Medium) offers decorative finish options for architectural projects. 

Made in USA, it is an ideal interior/exterior finish for today’s designer or applicator that combines striking beauty and superior performance.

Arcus Plaster Medium architectural finish

Arcus Plaster Medium offers exceptional workability, allowing skilled applicators to achieve a range of finishes from smooth, reflective Venetian textures to softer, hand-crafted looks ideal for heritage restorations. Confirm the product’s suitability for the intended wall assembly and exposure conditions with current technical guidance. This natural level of permeability makes Arcus Plaster Medium a popular choice for interior feature walls, hotel lobbies, galleries, and other high-end spaces where long-lasting beauty matters.

In modern design, Arcus Plaster Medium is often chosen as a sustainable alternative to synthetic coatings because it uses traditional lime-based ingredients. For moisture, indoor air quality and environmental performance, consult current manufacturer documentation and project specifications. When properly installed, the finish becomes stronger over time as it continues to carbonate, which contributes to the material’s excellent long-term value.

Many architects choose Arcus Plaster Medium not only for its durability, but also for its ability to complement natural stone, wood, and metal finishes. Its flexible working properties make it well suited to curved architectural details, sculpted surfaces, and recessed panels. Whether used in contemporary spaces or classic decorative applications, Arcus Plaster Medium provides a refined surface that enhances color depth and subtle movement.

Follow manufacturer cleaning and maintenance recommendations for the specified finish. Confirm colour and finish selection using physical samples and manufacturer guidance.

When selecting decorative lime plasters for residential or commercial projects, Arcus Plaster Medium offers consistent performance, adaptability, and the elegant character demanded by today’s designers. Its balance of beauty and longevity makes it an outstanding solution for projects requiring handcrafted finishes with timeless appeal.

Features & Benefits

Finish characteristics and application
For a closer look at how Arcus Stonecoat compares to our other finishes, view product details below.

For additional industry information about cementitious and façade materials, you may also visit the American Concrete Institute .

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