What Is The Difference Between Plastering And Rendering?

plaster 428552 1280
Table of Contents
    Add a header to begin generating the table of contents

    When deciding between plastering and rendering for your home's walls, you may be wondering what the differences are. Both are methods of wall finishing that can improve a wall's aesthetics while also defending it against the sun's harmful rays and moisture.

    Plastering refers to the process of applying a coating to an interior wall, while rendering is used to describe the same process applied to an exterior wall.

    Both methods can use similar materials, but there are key distinctions in how they are applied, the length of time they last and aesthetic quality.

    What Is Plastering?

    Plastering is very similar to the process of rendering. It's a common part of home renovations that help get a house ready to sell.

    However, plastering is a more traditional trade, so plastered walls have a more traditional aesthetic.

    Plastering a wall is a tried-and-true method that dates back to the time it took to build the Egyptian pyramids.

    Plastering methods evolved slightly, but all adhere to the same fundamental principles. Plaster can be made by combining water, a mineral aggregate, and a binding agent.

    Plaster sold in hardware stores, on the internet, and elsewhere is typically made with gypsum as one of its mineral ingredients. Gypsum's employment as a plastering compound is easier because it doesn't require any additional binding agent.

    Plaster is typically applied to a lath, which is a wood-made framework. Just a bunch of slats attached to the wall studs with screws. It provides something for the plaster to adhere to.

    How To Plaster A Wall?

    Nowadays, dried powder is the standard form for plasters. The powder is combined with water until it reaches a paste-like consistency. Be patient if you want a nicely plastered wall; it usually takes three coats or more to get the desired effect.

    Plastering a wall in layers allows for more even drying and a stronger finished product. However, this is a highly specialised field in which mastery requires extensive training and experience. The following video demonstrates how even seasoned DIYers can do it themselves, provided that perfect results aren't required.

    Plastering is a popular alternative to drywall for interior wall finishing, but it still requires some skill and time.

    What Are The Advantages Of Plaster?

    Plastering is a common practice in the building and remodelling industries because of the many advantages it brings to the table. Some of the plaster's most notable benefits include the following:


    Plastering is a flexible method used on many materials, from brick and concrete to drywall. Its versatility makes it well-suited for a wide variety of constructions, from private residences to public structures.

    Sound Insulation

    Plaster's ability to absorb and diffuse sound has made it a popular soundproofing material. This is helpful wherever silence is sought, especially in homes and offices.


    Plaster is simple to repair or patch in case of minor damage or imperfections. Plasterers are adept at their craft and can repair damage and restore the finish's original look by blending the patch with the surrounding surface.


    Plastering is widely regarded as an economically viable surface finishing option. Plastering equipment and supplies are cheap and easy to come by. Plaster's smooth, long-lasting finish can also reduce or eliminate the need for other surface treatments and coverings.

    Smooth And Even Finish

    Plastering gives walls and ceilings a uniform sheen that is aesthetically pleasing and useful for hiding flaws. In addition, it aids in creating an air of professionalism and refinement, raising the room's aesthetic value as a whole.


    Walls and ceilings that have been plastered are more sturdy and last longer. It helps to shield the underlying structure from the elements, making it less likely to sustain damage like cracks and chips. Plastering done right can help ensure a building lasts for decades.

    Fire Resistance 

    Plaster's natural resistance to fire makes it a useful construction material. It creates a barrier that stops fire and heat from spreading. This may be especially crucial in high-risk areas or when trying to meet code requirements.

    Thermal Insulation

    Plaster's insulating qualities make it useful for maintaining a comfortable temperature inside a building. In addition, it can help retain heat during the colder months and keep interiors cool during the warmer months, thus lowering energy demands for heating and cooling.

    Easy Maintenance

    Plastered walls and ceilings require little in the way of upkeep. You only need to dust them off or Use a damp cloth to wipe them down to clean them. However, plastered surfaces benefit from routine maintenance, such as repainting, to keep them looking new for longer.

    What Is Rendering?

    grey plaster wall background

    Rendering, a coating used on the outside of buildings, is made with higher cement content. Rendering is used to cover a building's exterior to make it more aesthetically pleasing and protect it from the elements and fire.

    Lime gypsum, cement, sand, bonding agents, drying additives, and colourants are the building blocks of rendering. Lime gypsum is crucial in giving the coating its velvety texture and appearance.

    The rendering mixture must include finer sand to achieve the desired silky smoothness.

    Render is applied in sheets to exterior walls with a trowel and finished with various tools to achieve various looks. Homeowners can choose between a flat, smooth finish or a textured, patterned look for their rendering.

    Hiring a professional plasterer will ensure the highest quality results when rendering your home.

    How To Render A Wall?

    Knowing how to render a wall correctly is a skill. Therefore, we suggest hiring someone other than an amateur. We use a trowel to spread the rendering material onto the masonry, and then we smooth it off to provide a nice finish.

    Some contemporary chemical renders are formulated to be sprayed directly onto the wall, though they are typically thinner and call for multiple coats to achieve the desired thickness.

    Changing a house's appearance can be done without scratching the rendering. A new movement in residential architecture is to render only selected exterior features.

    Advantages Of Rendering

    Rendering can be used for a wide variety of purposes in the building and remodelling industries. Some of the rendering's most notable advantages are as follows:

    Improved Weather Resistance

    The rendering process creates a waterproof coating. Its protective properties against water, wind, and sun help to preserve the underlying building. In addition, because of its resistance to the elements, your home will be safer from dampness, mould, and structural damage.

    Energy Efficiency

    Rendering also helps save power, which is a nice bonus. In addition, the insulation of a building can be enhanced with the help of special rendering systems like the insulated render. This allows for reduced energy consumption for heating and cooling your home and still has comfortable temperatures all year round.

    Increased Property Value

    A home's visual appeal and market value can be greatly increased with the help of rendering. Rendering enhances the property's appeal to potential buyers or tenants by enhancing its appearance and extending its lifespan. As a result, the home's value can be increased, making it a potentially lucrative investment.

    Enhanced Aesthetics

    Rendering's ability to alter a structure's visual style is one of its main benefits. For example, a render layer can achieve a sleek, contemporary look. In addition, you can customise your home's look by combining render types, colours, and textures.

    Increased Durability

    Rendering the exterior walls makes them even more sturdy and long-lasting. It provides a layer of defence against the destructive effects of time and use. In addition, rendering makes surfaces more durable and less prone to damage, like cracks and chips.

    Low Maintenance

    Comparatively, rendered surfaces require less upkeep than other exterior coatings. Cleaning them is simple, and they require little maintenance. Maintaining the render's appearance and extending its lifespan can be accomplished through routine washing or occasional repainting.

    Versatile Application

    Brick, concrete, and blockwork are just some building materials that can be rendered. This adaptability makes the freedom to express oneself through design and architecture possible. In addition, rendering allows you creative freedom in determining your project's visual style, whether residential or commercial.

    Factors To Consider When Choosing Between Plastering And Rendering

    The choice between plastering and rendering for a construction or renovation project depends on some factors. Each strategy comes with its own set of advantages and disadvantages that you should consider. Some essential considerations include the following:

    Purpose And Function 

    Think about how the surfaces you plan to finish will be used. For example, plastering provides a smooth and aesthetically pleasing finish, making it a popular choice for interior walls and ceilings. However, rendering has many practical applications, including weatherproofing and increased durability, and is frequently used for interior and exterior surfaces.

    Skill And Expertise 

    Think about how knowledgeable you must be to implement each method successfully. It usually takes a lot of practice and skill to get a perfect finish when plastering. Expert knowledge and technique may be necessary for a successful outcome, particularly with acrylic rendering.

    Building Regulations

    Learning about the rules and regulations governing construction in your area is important. For example, the decision between plastering and rendering may be influenced by the need for fire resistance, insulation, or weatherproofing in a given area or project.


    Think about how much upkeep you're prepared to do. Plastering typically needs less upkeep than other materials, only requiring the occasional re-paint or small repair. However, maintaining the appearance and weather resistance of rendering may necessitate periodic cleaning or reapplication of protective coatings.

    Timeline And Efficiency

    Evaluate the time constraints and productivity levels of the project. For example, plastering typically takes a few hours to dry, unlike rendering, which may need multiple coats and curing times. Therefore, plastering may be faster if you need to finish the job quickly.

    Plastering And Rendering Materials That Are Commonly Used

    Both plastering and rendering can hide imperfections on walls and other surfaces. The two share the common step of combining sand, cement, water, and sometimes lime, but they are otherwise very different.

    The difference between plastering and rendering is substantial; the former is used on interior walls, while the latter is used on exterior walls. In contrast to its plaster analogue, rendering is a much more durable coating that can withstand higher temperatures.

    Plastering Materials

    1. Gypsum: Plastering requires the use of gypsum. It is a soft mineral that can be applied to surfaces in the form of a paste when combined with water. Gypsum's excellent workability and smooth finish make it a popular choice for interior plastering.
    2. Sand: Plaster's durability and malleability are both increased when sand is combined with gypsum. Different textures and methods of application call for different sand types and grain sizes.
    3. Water: Plastering requires the addition of water to activate a chemical reaction between gypsum and sand, resulting in a workable paste. The consistency you want can only be achieved by adding the right amount of water.
    4. Fibre: Plaster's tensile strength and resistance to cracking can be improved by adding fibres like horsehair or synthetic fibres to the mix.

    Rendering Materials

    1. Cement: Rendering relies heavily on cement, a key ingredient. In sand and cement rendering, it serves as a binding agent for the sand and cement. Portland cement is widely employed because of its strength and longevity.
    2. Sand: The render mixture consists of cement and sand. Different types and grits of sand are used for different finishes and application methods. It's common practice to use coarse sand for base coats and finer sand for topcoats.
    3. Water: Cement and sand are combined with water to trigger a chemical reaction and reach the right consistency for rendering. The mix's workability depends on the amount of water used.
    4. Additives: Rendering mixes can be modified with the addition of various additives to enhance various characteristics. Plasticisers, which improve workability, and waterproofing agents, which boost resistance to moisture, are two examples of additives that may be used.
    5. Acrylic: Acrylic rendering substitutes render made from acrylic polymers for cement-based rendering. Acrylic renders are ready-to-use and boast improved adaptability, crack resistance, and a plethora of colour choices.


    Wall finishing techniques such as plastering and rendering can enhance a wall's aesthetic value while also shielding it from the sun and moisture.

    Plastering is a popular alternative to drywall for interior wall finishing, and its history stretches back to the time it took to construct the Egyptian pyramids.

    To create it, mix together water, a mineral aggregate, and a binding agent like gypsum.

    It takes at least three coats of plaster to get the desired look when applied on a lath, a wooden structure.

    Plastering's adaptability to a multitude of substrates makes it a viable option for building everything from residential homes to public infrastructure.

    Soundproofing, repairability, cost-effectiveness, a smooth finish, durability, fire resistance, thermal insulation, and simple maintenance are some of its other well-known qualities.

    Plastering is a low-maintenance surface option, while rendering is a coating typically applied to the exterior of buildings.

    Exterior walls can be rendered in a variety of styles by applying it in sheets with a trowel and finishing it with a variety of tools. The visualisation might have a flat, smooth look, or the homeowner can select a textured, patterned look.

    If you want perfect results while rendering your home, you should hire a skilled plasterer.

    Plasterers are experts in applying rendering material to masonry and smoothing it out to create a good finish, which is vital for rendering a wall.

    Numerous building and remodelling projects opt for rendering because of its many benefits, such as greater weather resistance, energy efficiency, property value, beauty, durability, low maintenance, and adaptability.

    Its versatility across brick, concrete, and blockwork means the designer has more room to express their vision.

    When deciding between plastering and rendering, it's important to think about the final use of the finished surfaces, the level of experience and skill needed for the job, any applicable building codes, the upkeep involved, and the availability of time.

    In comparison to rendering, which may require frequent cleaning or reapplication of protective coatings, plastering often requires less maintenance.

    You can plaster it with sand, water, fibre, and gypsum. Sand enhances durability and malleability, and gypsum, a soft mineral, produces a smooth finish. The addition of water triggers a chemical reaction between the gypsum and the sand, and the addition of fibres like horsehair or synthetic fibres can increase the tensile strength and resistance to breaking of the plaster.

    Cement, sand, water, and additives like plasticisers and waterproofing chemicals are all part of a rendering's material list.

    Acrylic rendering, which uses acrylic polymers instead of cement-based rendering, provides greater flexibility, crack resistance, and colour options.

    The decision between plastering and rendering should be based on the project's goals, intended function, required skill level, building codes, upkeep requirements, deadline, and efficiency requirements. By giving careful thought to these issues, architects will be better able to make judgements that boost the visual attractiveness of their finished works.

    plasterboard installers men assembling drywall false ceiling simple affordable renovation premises

    Content Summary

    • Plastering and rendering are methods of wall finishing that improve aesthetics and protect against sun and moisture.
    • Plastering is for interior walls, while rendering is for exterior walls.
    • Plastering is a traditional trade with a more traditional aesthetic.
    • Plaster is made by combining water, a mineral aggregate, and a binding agent.
    • Plaster is typically applied to a wood-made framework called a lath.
    • Plaster is usually in dried powder form and requires multiple coats for the desired effect.
    • Plastering is versatile, offers sound insulation, and is easy to repair.
    • Plastering is cost-effective, provides a smooth finish, and enhances durability.
    • Plaster has fire resistance and thermal insulation properties.
    • Plastered surfaces require minimal maintenance.
    • Rendering is used on the exterior of buildings for aesthetics and protection.
    • Rendering is made with higher cement content and additional ingredients like lime gypsum, sand, and bonding agents.
    • Lime gypsum gives rendering its velvety texture and appearance.
    • Rendering is applied in sheets with a trowel and can be finished in various ways.
    • Rendering should be done by a professional for best results.
    • Rendering provides improved weather resistance and energy efficiency.
    • Rendering increases property value and offers enhanced aesthetics.
    • Rendering makes exterior walls more durable and requires low maintenance.
    • Rendering can be applied to various building materials.
    • Consider the purpose and function of the surfaces when choosing between plastering and rendering.
    • Plastering requires skill and expertise, while rendering may need acrylic rendering expertise.
    • Building regulations may influence the choice between plastering and rendering.
    • Plastering needs less maintenance compared to rendering.
    • Plastering is faster to dry compared to rendering.
    • Gypsum, sand, water, and fibres are common plastering materials.
    • Gypsum is a soft mineral that, when combined with water, forms a workable paste.
    • Sand is added to gypsum for increased durability and malleability.
    • Water is added to achieve the desired consistency of the plaster mix.
    • Fibres like horsehair or synthetic fibres can be added to improve plaster's strength and resistance to cracking.
    • Cement is a key ingredient in rendering.
    • Different types and grits of sand are used in rendering for different finishes.
    • Water is added to the cement and sand mixture to reach the right consistency.
    • Additives can be used in rendering to enhance various characteristics.
    • Acrylic rendering uses acrylic polymers instead of cement and offers improved crack resistance and colour options.
    • Plastering and rendering can hide imperfections on walls.
    • Plastering is used for interior walls, while rendering is used for exterior walls.
    • Rendering is a more durable coating that can withstand higher temperatures.
    • Plastering with gypsum provides a smooth finish and is suitable for interior applications.
    • Plastering with sand and gypsum improves durability and texture.
    • Water is added to plastering mixtures for workability.
    • Fibres can be added to plaster for increased strength.
    • Rendering relies on cement as a binding agent for sand and is used for exterior applications.
    • Different types of sand and water are used in rendering for the desired consistency.
    • Additives can be used in rendering for improved workability and resistance to moisture.
    • Acrylic rendering offers increased crack resistance and colour options.
    • Consider the purpose, skill level required, building regulations, maintenance, and timeline when choosing between plastering and rendering.
    • Plastering and rendering offer unique benefits for different applications.

    Frequently Asked Questions About Plastering

    Rendering can be applied to surfaces such as brick, concrete, and blockwork. However, it is important to assess the condition and suitability of the substrate before applying rendering.

    The drying time for plastering or rendering can vary depending on factors such as humidity, temperature, and the type of materials used. Generally, plastering takes a shorter time to dry than rendering, which may require multiple layers and curing periods.

    Some rendering systems allow for colour customization. However, changing the render's colour once it has been applied is generally more challenging. Therefore, carefully selecting the desired colour before the rendering process is advisable.

    Plastering and rendering can offer some level of fire resistance. However, the specific fire-resistant properties may vary depending on the materials used and the thickness of the applied layers. Therefore, consulting with professionals to meet specific fire safety requirements is advisable.

    Damaged plaster or render can be repaired or removed, but the extent of the repair or removal depends on the severity of the damage. Skilled professionals can assess the situation and recommend appropriate repair or removal techniques.

    Google Rating
    Based on 33 reviews
    Scroll to Top