Types of Plaster and Use Cases for Each

Give your walls a smooth and aesthetically pleasing finish

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  • Gypsum plaster for interior walls delivers a smooth finish at a lower cost than lime plaster, making it your go-to choice for modern renovations.

  • Expect to pay close to $3,000 for professional plaster repairs, though costs vary widely based on the materials and extent of work your home needs.

  • Cement plaster works best for exterior walls, while lime plaster suits high-humidity areas like bathrooms because it releases moisture and moves with your home as it settles.

  • Hiring a local plaster repair professional ensures proper wall preparation and application for lasting durability, especially when working with specialized materials like waterproof or lime plaster.

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Drywall may be the go-to choice for most home construction and renovation projects these days, but some cases call for plaster. Whether you're restoring an old home or building from the ground up, knowing the different types of plaster that are available, and when to use each one, will help  you choose the right material for your project.

1. Lime Plaster

A person applying lime plaster on wall
Photo: luda311 / Adobe Stock

Think of lime plaster as the original plaster. People have used lime plaster for millennia to build walls and construct homes. The material itself is made from lime, water, and sand, and occasionally, horse hair, which acts as a binder. If you're remodeling a home built before the early 1900s, you'll likely see strands of hair in the dried plaster.

Lime plaster is flexible and breathable, meaning it can release moisture, making it suitable for use in kitchen and bathroom walls. Its flexibility means it can move as a home settles, making it less likely to crack.

While lime plaster was the plaster of choice for centuries, it's now less commonly used compared to other types of plaster. It has a higher price point than gypsum plaster and takes longer to apply, making labor costs more expensive.

However, lime plaster is typically the material of choice when restoring older homes, particularly homes that originally used the material.

ProsCons
Works in humid areasHigher cost
FlexibleHarder to install
Natural materialHigher maintenance

Best use for lime plaster: Restoring older homes, or giving a classic look to a new house

2. Gypsum Plaster

A man adding gypsum plaster on trowel
Photo: amedeoemaja / Adobe Stock

Thanks to its lower cost, gypsum plaster is typically the plaster of choice in modern construction and renovation projects. This plaster is made from calcium sulfate dihydrate and is available in powdered form. Once mixed with water, the plasterer needs to work quickly to apply gypsum plaster. Otherwise, weak areas, or "cold joints" could form. 

Gypsum plaster doesn't breathe as well as lime plaster so it's less suitable for use in older properties or in areas with high humidity levels, such as kitchens and bathrooms. 

ProsCons
Lower costHarder to install
Smooth finishLess breathable
Faster installationVulnerable to moisture

Best uses for gypsum plaster: Interior walls in modern homes (not bathrooms or kitchens)

3. Cement Plaster

Close-up of a man applying cement plaster
Photo: Vesnaandjic / E+ / Getty Images

Cement plaster consists of cement and sand, in place of either the gypsum or lime. It's quick-setting and thick, meaning you need to work fast when using it. You can use cement plaster on interior or exterior walls, but it typically has a rougher finish than gypsum or lime plaster, so it usually isn't ideal if you want a smooth wall.

Cement plaster is less flexible and breathable than either gypsum or lime plaster, too. The best use for it may be on the exterior walls of newer homes. 

ProsCons
Highly durableRough finish
Fast setting timeLower flexibility
Fire-resistantVulnerable to cracking

Best uses for cement plaster: Coating exterior walls

4. Clay Plaster

A person applying clay plaster with a trowel
Photo: Aitor Diago / Moment / Getty Images

Clay plaster uses clay as the base, mixed with sand and water. You can also add pigments to the clay plaster mix, eliminating the need to paint the plaster walls when you're finished. 

The plaster produces a rustic finish. Since there's no need to paint it, choosing clay plaster can release fewer volatile organic compounds (VOCs) into the home.

Clay absorbs water fairly readily, so the plaster isn't good for bathrooms and other high-humidity areas.

ProsCons
Low VOCsVulnerable to humidity
Variety of colorsHigher cost
Natural materialHarder to DIY

Best uses for clay plaster: Interior walls in modern homes

5. Stucco

One level single family residence
Photo: Baharlou / Adobe Stock

Stucco plaster is a cement-based type of plaster popular for outdoor spaces. The mixture, made with cement, sand, lime, and water, holds up well to inclement weather, and the textured finish adds curb appeal without sacrificing durability. This material isn’t completely fireproof, but it does have a higher fire resistance than many other types of plaster.

Another benefit of stucco is that it holds up well to sunlight, so you won’t need to worry that the color of your stucco will fade quickly after application. With just light maintenance, stucco can last many decades.

ProsCons
WeatherproofLower insulation
Higher fire resistanceVulnerable to chipping
Not prone to fadingPorous

Best uses for stucco: Home exteriors in warm, dry climates

6. Waterproof

Worker applying plaster with a trowel
Photo: stokkete / Adobe Stock

Whether you’re looking to finish a bathroom renovation with plaster walls or give the outside of your home a complete makeover, waterproof plaster is a solid choice. This material, which is also known as tadelakt, is a type of lime-based plaster that has been treated with a water-repellent soap finish to help the plaster better withstand moisture.

Waterproof plaster is not only ideal for humid areas and outdoors, but it’s also durable against cracking, shrinking, and inclement weather. However, keep in mind that if waterproof plaster gets a big ding or scratch, it could damage the waterproof coating and require extensive repairs, if not a full replacement.

ProsCons
Stands up to humidityMore expensive
Highly durableDifficult to repair
Easy to cleanHigher maintenance

Best uses for waterproof plaster: High-humidity areas, like bathrooms and kitchens

Pro Tip

Drywall and plaster work require extensive practice and talent. You can try a DIY repair if a patch is small enough or where you won’t mind looking at a less-than-professional job when it’s done. If an entire wall needs repair, trust the pros to do the work so you're happy with the results.

Superintendent at ASAP Restoration LLC

 — Phoenix, AZ

Plaster Finishes

Depending on the type of plaster you choose, a plaster pro near you can finish it in several ways. Plaster finishes affect the texture, color, and overall appearance of the walls. For example, you may choose a plaster finish that creates a smooth, shiny wall or a rough, textured surface. Mixing different pigments into lime or clay plaster also increases your finishing options. 

While there are many plaster finishing options available, two of the more popular finishes are Venetian and Tadelakt.

Frequently Asked Questions

Both plaster and drywall are durable wall finishes, but they differ significantly in installation, cost, performance, and aesthetics.

Installation & Cost: Drywall installation is faster and more affordable, typically costing $1.50 to $3 per square foot. It uses premade sheets, making it a more accessible DIY project. Plastering is a labor-intensive craft that requires specialized skills, pushing costs to $2 to $10 per square foot. It involves applying a wet paste over a lath framework.

Durability & Performance: Plaster is generally more durable, longer-lasting, and provides superior soundproofing. It is also a better insulator, which can help reduce energy costs. Drywall is easier to remove for future renovations.

Aesthetics: Drywall provides a smooth, uniform surface ready for paint or texture. Plaster offers a high-end, naturally textured look that can hide imperfections and is often preferred for achieving a classic or historic aesthetic.

Which is better? The choice depends on your priorities. Drywall is ideal for those prioritizing a lower upfront cost, faster installation, and DIY potential. Plaster is the better option for a higher-end project where durability, soundproofing, and a unique, premium finish are more important than the initial cost.

With its breathability and flexibility, lime plaster is among the most durable of all plaster types. It's also fire-resistant and has a proven track record, as people have been using it for thousands of years.

However, all plaster types will last for many years with the right care and treatment. Proper preparation and installation will also help ensure your plaster walls look great for as long as possible.

Whether you can install or repair plaster yourself depends on the project's size and your comfort level with DIY projects. It's possible to handle small repairs on your own, but for larger projects like a room restoration or a full installation, it's often best to hire a local plaster professional. The final appearance, even coverage, and durability of the plaster depend heavily on proper wall preparation and application. If you are not 100% confident in your ability to achieve a professional result, letting an expert handle the job is a worthwhile investment.

You can put certain types of plaster over other types, but doing so isn't always the best idea. For example, putting a coat of gypsum over lime plaster is possible, but doing so will limit the lime plaster's breathability and potentially affect its performance.

Since cement plaster tends to leave a textured surface, no matter how much you smooth it, some people prefer to use gypsum plaster as a topcoat over cement plaster, creating a smoother surface.

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