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Remodeling 101: Modern Plaster Walls, Six Ways


Remodeling 101: Modern Plaster Walls, Six Ways

July 29, 2021

Have you found yourself staring at walls of late? We know we have. That’s because plaster in its many transfixing guises is making a big comeback. Interiors finished with plaster have a depth and luminosity that shifts with the light, quietly transforming the look and feel of a house. And there’s no paint required: Left in its raw state, plaster is an environmentally sound natural material—breathable, and free of chemicals and VOCs.

True, plaster walls are more expensive than painted drywall; that’s because they’re more labor intensive to install (most require at least three coats). But they’re also typically longer lasting and more beautiful. For interior applications, here are six main categories to consider illustrated by some of our favorite projects of late.

N.B.: Before taking the plaster plunge in your own home, look into substrate requirements; all plasters need to bond to a surface and that varies by type and brand—as does the durability and waterproofness of the particular plaster. Troweling skills are required and patience: You have to wait for each layer to dry.

Clay Plaster

Composed of clay, sand, and pigments, clay plaster is considered so healthy, it’s often used by people with chemical sensitivities. It comes in powdered form in a range of earthy shades and has very matte, often rough, finishes. Though not to be used in wet zones, such as bathrooms and kitchens, clay plaster has moisture-absorbing (and desorbing) abilities that make it a humidity regulator elsewhere in the house. To apply, mix with water on-site (achieving the right consistency takes some trial and error) and apply to a sanded, primed surface in four or five layers.

in his own london home, architect simon astridge used clay plaster from claywor 17
Above: In his own London home, architect Simon Astridge used clay plaster from Clayworks of Cornwall. “It makes the space feel calmer and bigger,” he says. “And once it’s applied, you don’t need to decorate the walls.”

For a US source, consider American Clay of Albuquerque. Photograph by Nicholas Worley.

a plant niche and flush closet door are set off by clayworks&#8\2\17; clay  18
Above: A plant niche and flush closet door are set off by Clayworks’ clay plaster in Astridge’s bedroom. Clayworks offers 27 colors, and, like many plaster companies, mixes custom shades and textures on request. Photograph by Nicholas Worley.

Slaked Lime Plaster

This is what the plaster walls in your great grandparents’ house were made of. Starting with wood lath, a coarse “scratch coat” (plaster mixed with shrinkage-preventing aggregates, such as horse hair) was applied followed by a “brown coat” (plaster mixed with sand), and finally a fine skim coat. Composed of limestone that has been baked at extreme temperatures to remove all impurities, hydrated—or slaked—lime plaster comes in an aged putty form, so, unlike other options, you don’t have to hand-mix it and you’re not under a time constraint to apply it.

Pure white in its basic form, it now comes in a huge range of colors. Left unpainted, like clay plaster, it takes in moisture and releases it—and unlike clay plaster can be used in kitchens and baths (but shouldn’t be exposed directly to water). If desired, a protective layer of bee’s wax or Marseilles soap can be added.

in designer deborah ehrlich&#8\2\17;s upstate, new york, house, a preserved 19
Above: In designer Deborah Ehrlich’s Upstate, New York, house, a preserved hole in the wall reveals the plaster under layers. (These days a moisture-absorbing board known as blue board has replaced lath.) See more of Ehrlich’s remodel in House Call: At Home in the Hudson Valley.

Architectural preservationists Master of Plaster of Columbia, South Carolina, specialize in slaked lime plasters, and resident designer, Lauren Dillon, is a fount of information about why, where, and how to use it. She explains: “After being applied, hydrated lime plasters go through a process called curing wherein they don’t necessarily dry out like a clay or a paint, but they absorb carbon dioxide and complete the lime cycle on your surface, in essence turning back to stone—so when people say lime plaster looks and feels like stone or marble, it’s because it truly is.” Photograph by Justine Hand for Remodelista.

newcomer domingue architectural finishes of houston, an offshoot of antiques ho 20
Above: Newcomer Domingue Architectural Finishes of Houston, an offshoot of antiques house Chateau Domingue, has recently begun offering a range of made-in-Italy wall finishes, including lime plaster (slaked for seven years, making it exceptionally durable, they say, and sold in powdered form). Domingue Architectural Finishes works with Axel Vervoodt’s plasterer and also offers limewash and natural pigment paints: Its far-ranging palette was formulated by master color specialist and friend of Remodelista Eve Ashcraft. [N.B.: Stay tuned for Domingue’s expert tips on using plaster, coming soon.]
The project shown here was created using the line’s Fine Grain Plaster not only on the walls but also the floor. Corners, by the way, are the trickiest to trowel, and, once finished, they’re the area that’s most fragile and prone to chipping.

in another simon astridge london project known as the pink house, the raw plast 21
Above: In another Simon Astridge London project known as the Pink House, the raw plaster walls have a natural pink hue. See more of the kitchen in Urban Tropical.

Gypsum Plaster

More humble and finicky than slaked lime, gypsum plaster comes in powdered form: Mix with water and then work fast; once activated, gypsum plaster typically needs to be applied in 35 to 40 minutes. (Stop midway and you get weaknesses known as “cold joints” and have to start over.) It’s also a bit less expensive than lime plaster and requires fewer coats. And it can be tinted to great effect.

in her formerly abandoned los felix home, gordana golubovic upgraded her living 22
Above: In her formerly abandoned Los Felix home, Gordana Golubovic upgraded her living room walls and ceiling with X-Kalibur plaster from National Gypsum. Tour the rest of her remodel in At Home with an LA Costume Designer, Summer Remodel Edition. Photograph by Lauren Moore.

X-Kalibur is a product from National Gypsum; another big supplier is USG (United States Gypsum).

gypsum plaster is the go to for hands on designer/remodelers percy bright and t 23
Above: Gypsum plaster is the go-to for hands-on designer/remodelers Percy Bright and Tara Mangini of Jersey Ice Cream Co., members of the Remodelista Architect-Designer Directory who always create memorable plaster surfaces in their projects. And it’s viable in the kitchen—as long as it’s not exposed to high humidity. Shown here, JICC’s Kitchen Makeover for Food Blogger Skye McAlpine.

The difference between colored gypsum plaster and Venetian plaster (see below)? Gypsum is matte-finished and single-hued. Venetian plaster can be polished, and the many layers required create more depth and nuanced shades of color.

a two toned gypsum plaster entry wall in jersey ice cream co.&#8\2\17;s
Above: A two-toned gypsum plaster entry wall in Jersey Ice Cream Co.’s Catskills Farmhouse Project. The duo have just begun offering plasterwork as a stand-alone service, and report that they most often use USG Diamond Veneer Finish plaster tinted with pigment dispersions from Guerra Paint & Pigment.

Venetian Plaster

When pigment is added to aged slaked lime plaster, it’s known as Venetian plaster (not to be confused with any paints that use that name). Sprinkle in marble dust and you get a high level of polish and sheen.

master of plaster provided the blue gray venetian plaster for the kitchen  25
Above: Master of Plaster provided the blue-gray Venetian plaster for the kitchen wall at This Old Hudson, an event space and photo studio in Hudson, New York: See 50 Shades of White from Zio & Sons.
adventures in cooking blogger—and first time plasterer—eva kosmas 26
Above: Adventures in Cooking blogger—and first-time plasterer—Eva Kosmas Flores applied Master of Plaster Venetian plaster herself throughout her house. Tour her Portland, Oregon, remodel in A Food Blogger’s Rustic DIY Renovation, Dark and Moody Edition.
designer leigh herzig&#8\2\17;s west hollywood spec house opens to a sculpt 27
Above: Designer Leigh Herzig’s West Hollywood spec house opens to a sculptural winding stair and arched doorway with walls and ceilings clad in Stuc Italien, a Venetian stucco from Los Angeles company Terre du Monde. See more of the project below and in Hollywood Tale: A Spec House with Uncommon Style. Photograph by Laure Joliet.


An age-old and highly durable Moroccan finish, tadelakt is composed of lime plaster and black soap made from olives. When the ingredients are combined, a chemical reaction between the two creates a waterproof membrane, making tadelakt walls the most suitable of all plasters for use in showers and baths and even as sinks and tubs—it’s synonymous with Moroccan hammans. Read all about it in our Remodeling 101 post.

in herzig&#8\2\17;s west hollywood spec house kitchen, the walls and ceilin 28
Above: In Herzig’s West Hollywood spec house kitchen, the walls and ceiling are finished in Tadelakt Decolakt by Terre du Monde in LA.

“It’s completely waterproof—you just clean it with Marseilles soap,” says Herzig. “Because it’s so durable, I didn’t have to add a backsplash, which gives the room a clean look.” Photograph by Laure Joliet.

a tadelakt bath at villa fabrica&#8\2\16;s milos house, one of a compound o 29
Above: A tadelakt bath at Villa Fabrica‘s Milos House, one of a compound of vacation rentals designed by architect Yannis Kaklamanis on the Greek island of Santorini.

Neo Plaster

A lot of companies are coming up with their own easy-to-apply plaster wall finishes. These often contain acrylics and other ingredients that speed the process and don’t require as many coats.

kabe of copenhagen caught our eye in our food stories&#8\2\17; berlin photo 30
Above: Kabe of Copenhagen caught our eye in Our Food Stories’ Berlin Photo Studio Kitchen. Available throughout Europe and billed for DIYers, the plaster comes in a range of nuanced colors and is troweled on typically in two layers and sanded between applications. A new offshoot product Kabe Stone is made for wet zones and for use as flooring. Photograph by Laura Muthesius.

Curious about limewash paint? Read about the mineral-based, chalky wall finish in:

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Frequently asked questions

What is modern plaster?

Modern plaster refers to contemporary plastering techniques and materials used to create smooth, durable, and visually appealing wall finishes. It includes various types of plasters, such as clay plaster, slaked lime plaster, Venetian plaster, and other eco-friendly alternatives.

What are the advantages of using clay plaster?

Clay plaster offers several advantages. It is a natural and breathable material that regulates humidity and helps maintain indoor air quality. Clay plaster is also mold-resistant, fire-resistant, and has excellent thermal insulation properties. It creates a warm and organic aesthetic, and its application is relatively easy and forgiving.

What is slaked lime plaster, and what are its benefits?

Slaked lime plaster, also known as lime putty plaster, is made from slaked lime and sand. It is a traditional and durable plastering material with a rich history. Slaked lime plaster has excellent breathability, which allows moisture to evaporate, making it ideal for older buildings with solid walls. It also possesses natural antibacterial properties and offers a unique matte finish.

What is Venetian plaster, and why is it popular?

Venetian plaster is a decorative plastering technique that originated in Venice, Italy. It involves applying multiple layers of plaster and burnishing them to create a smooth, polished, and marble-like finish. Venetian plaster has gained popularity due to its luxurious appearance, depth, and subtle variations in color and texture. It can add elegance and sophistication to interior spaces.

Can modern plaster be used in both residential and commercial spaces?

Yes, modern plaster can be used in both residential and commercial spaces. It is a versatile material that can be applied to various surfaces, including walls, ceilings, and even furniture. Modern plaster is suitable for a range of interior design styles, from contemporary and minimalist to rustic and traditional.

Is it possible to achieve different textures and finishes with modern plaster?

Yes, modern plaster allows for a wide range of textures and finishes. Depending on the plastering technique and tools used, you can achieve different effects, from smooth and polished finishes to textured and rustic appearances. With the right application and techniques, modern plaster can be customized to match your desired aesthetic.

Are modern plaster walls durable?

Yes, modern plaster walls can be highly durable when properly applied and maintained. Clay plaster, slaked lime plaster, and Venetian plaster are known for their long-lasting properties. However, it's important to note that proper surface preparation, appropriate application techniques, and regular maintenance are key factors in ensuring the durability of plaster walls.

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