Commercial wall plastering is essential in building construction. It provides durability, protection, and a smooth, attractive finish. It involves applying a thin layer of cement, lime, or gypsum to a wall surface to create various textures and effects.
This technique offers multiple advantages for businesses, enhancing their properties’ aesthetics and longevity.
This guide will explain the key aspects of commercial wall plastering, its benefits, the types of plastering materials, and what to consider when hiring a plasterer.
Let’s get straight to the point.
Commercial wall plastering involves applying cement, lime, or gypsum to create durable, smooth surfaces. It offers benefits like enhanced durability, protection against damage, and insulation.
Common plaster types include drywall, gypsum, cement, and ornamental plaster, each with different uses. Plastering costs vary depending on the material, wall size, and complexity, ranging from $20 to $90 per square metre.
Hiring a skilled plasterer ensures a professional finish, especially for commercial spaces requiring durability and aesthetics.
What Is Commercial Wall Plastering?
Commercial wall plastering refers to evenly applying plaster to walls within a business setting. This creates a polished, professional appearance that is easy to maintain and withstand daily wear and tear.
Due to its high durability and resistance to damage, it is commonly used in offices, retail spaces, and other commercial properties.
Benefits Of Commercial Wall Plastering
- Durability: Plaster provides a hard-wearing surface that resists high-traffic impacts, making it ideal for commercial spaces.
- Protection Against Damage: Plaster offers resistance to scratches, dents, and moisture, ensuring a long-lasting finish.
- Strong Bond: Properly applied plaster creates a robust bond with the wall, preventing cracks and flaking even in dynamic environments.
- Insulation: Plastering adds a layer of insulation, improving temperature control and energy efficiency within buildings.
Types Of Plastering Materials
There are several types of plaster materials used for different purposes. The main categories include:
1. Drywall Plaster
This material is favoured for its fire resistance and soundproofing properties. Drywall plaster is often used to create room dividers, offering practical benefits in commercial spaces.
2. Gypsum Plaster
Gypsum plaster is lightweight, easy to apply, and commonly used on interior walls and ceilings. It’s a great insulator with a low melting point, making it a popular choice for indoor environments.
3. Lime Plaster
While lime plaster is less commonly used today, it remains important in specific construction settings. It is durable, breathable, and eco-friendly but requires skilled application.
4. Cement Plaster
Cement plaster, made from cement, sand, and water, is the most durable option. It is often used for exterior surfaces. Its strength and longevity make it ideal for buildings exposed to harsh weather conditions.
5. Wet Plaster
Wet plaster is typically made by mixing lime, cement, and water. It’s widely used due to its ease of application and versatility. A trowel is used to apply it to walls, providing a smooth finish.
6. Ornamental Plaster
As the name suggests, ornamental plaster creates decorative designs such as ceiling roses, cornices, and other aesthetic features. This type of plastering is more intricate and labour-intensive, adding an artistic touch to a space.
When Should You Consider Commercial Wall Plastering?
1. Protecting Against Water Damage
Commercial properties often face challenges from exposure to the elements, especially water infiltration. Plastering acts as a barrier, protecting the interior from moisture damage and extending the lifespan of the building.
2. Smoothing Out Uneven Surfaces
Plastering can create a smooth, uniform surface if your walls have bumps, cracks, or other imperfections. This makes decorating with paint or wallpaper much easier and more effective.
3. Enhancing Structural Integrity
Plaster can fill gaps between bricks or blocks, improving the wall’s load-bearing capacity. This is particularly important in commercial settings where walls may support heavy equipment or furniture.
4. Correcting Construction Flaws
During the construction process, mistakes like undulations or uneven concrete can occur. Plastering smooths these imperfections, ensuring a flawless finish.
Stages Of Plastering: A Step-By-Step Guide
Achieving a professional plastering finish involves a series of steps that must be carefully followed. Here’s a breakdown of the six key stages:
Stage 1: Applying The First Coat
The first coat of plaster should be around 2 mm thick. Start using a trowel at an angle, spreading the plaster smoothly across the wall. It’s important to avoid leaving trowel marks or ridges at this stage.
Stage 2: Smoothing The First Layer
As the first coat begins to dry, use a clean trowel to smooth out any excess plaster. Apply firm pressure in long, smooth strokes to ensure an even finish.
Stage 3: Applying The Second Coat
Once the first layer is dry, apply a second, thinner coat of plaster. Use firmer pressure to reduce the appearance of holes or imperfections.
Stage 4: Filling Holes And Smoothing Lumps
Use your trowel to press out lumps or fill small holes as the plaster sets. Ensure the plaster is sticky enough to fill gaps without creating new ones.
Stage 5: Pressing Down Lumps
If you encounter hard, resistant plaster, apply firmer pressure with the trowel to smooth it out. Be careful not to scrape off too much plaster.
Stage 6: Polishing The Surface
In the final stage, once the plaster has dried and darkened, use your trowel to press down hard and create a smooth, polished finish. This final step is essential for achieving a flawless result.
How Much Does Commercial Wall Plastering Cost?
Plastering costs can vary widely depending on the type of plaster, the size of the wall, and the job’s complexity. Here’s a breakdown of typical pricing:
Standard Plastering Costs
- Wet Plaster: $45 to $90 per square metre.
- Firm Plaster: $20 to $70 per square metre.
- Plasterboard Installation: $8 to $16 per square metre (for installation only).
- Supply and Installation: $15 to $20 per square metre.
Ornamental Plastering Costs
Ornamental plastering is more expensive due to its intricate nature. Prices for decorative cornices range from:
- Colonial Cove Cornice: $7.50 per square metre.
- Victorian Cornice: Up to $15 per square metre.
- Installation Costs: Up to $16 per square metre.
Additional Cost Factors
Several factors can affect the overall cost of a plastering project, including:
- Wall Size: Larger walls require more materials and labour, increasing costs.
- Job Complexity: If old plaster needs to be removed or the surface is uneven, additional time and resources may be needed.
- Decorative Finishes: Adding trims, cornices, or other decorative elements will raise costs.
Factors That Influence Plastering Costs
1. Wall Size
Plasterers need the exact measurements of the walls to provide an accurate quote. Larger areas will require more plaster and labour, leading to higher costs.
2. Job Complexity
Removing old plaster, dealing with damaged walls, or addressing construction flaws can make a job more complex, increasing the time and cost.
3. Decorative Trims And Finishes
If you want to add decorative elements like cornices or mouldings, expect this to raise costs due to the extra materials and labour required.
Hiring A Professional Plasterer
When hiring a plasterer, ensure they are experienced in commercial projects. They should be able to handle different types of plastering and provide a smooth, long-lasting finish.
It’s also a good idea to request references or view examples of their previous work.
Here are some factors to consider:
- Experience: Look for a plasterer with a proven track record in commercial plastering.
- Materials: Ask about the plaster they use and if it suits your needs.
- Cost Estimate: Get detailed quotes, including material and labour costs, to avoid surprises later.
Conclusion
Commercial wall plastering offers businesses several benefits, from enhancing durability to improving aesthetics.
With options like drywall, gypsum, lime, and cement plaster, there’s a solution for every commercial need.
Understanding the plastering process and associated costs can help you make an informed decision when planning your next building project.
Hiring skilled professionals ensures a flawless and long-lasting finish for your commercial space.
FAQs About Plastering
What Are Some Common Problems Encountered During Commercial Wall Plastering?
Common problems include cracking, delamination, uneven texture, efflorescence, and mould growth. These issues can arise due to improper application techniques, poor substrate preparation, or environmental factors.
How Can I Achieve A Smooth, Uniform Plaster Finish On Commercial Walls?
Achieving a smooth finish requires using the right plaster mix consistency, applying multiple thin coats, and using proper troweling techniques to achieve uniformity.
What Is The Role Of Primers And Sealers In Commercial Wall Plastering?
Primers and sealers help improve adhesion, reduce porosity, and enhance the durability of the plaster surface. They also provide a stable base for paint or other finishing treatments.
How Do I Maintain Commercial Plastered Walls For Longevity?
Regular maintenance includes inspecting for cracks or damage, repairing any issues promptly, cleaning surfaces as needed, and ensuring proper ventilation to prevent moisture buildup.
Can I Apply Decorative Finishes Over Commercial Plastered Walls?
Yes, commercial plastered walls can be embellished with various decorative finishes such as faux, stencilling, or textured coatings to enhance aesthetics and architectural appeal. However, ensuring compatibility with the plaster substrate and following proper application techniques is essential.
