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Understand the Connection between Plastering and Energy Efficiency

man plastering the wall

Plastering is a crucial aspect of constructing a building. It provides a smooth and even surface to the walls while also improving the aesthetic appeal. However, it also plays a significant role in energy efficiency. Plastering can affect the thermal performance of a building, which ultimately impacts its energy consumption. This article explores the connection between plastering and energy efficiency.

The Importance of Plastering in Energy Efficiency

Plastering is essential for improving the thermal performance of a building. It helps to prevent heat loss from the interior during cold weather and restricts heat gain during hot weather. Without proper plastering, a building’s insulation would be compromised, leading to higher energy consumption and costs.

Types of Plaster

The type of plaster used can significantly impact a building’s energy efficiency. There are two primary types of plaster: traditional and modern. Traditional plaster is typically made from lime and sand, while modern plaster is made from materials such as gypsum and cement. Traditional plaster is more breathable, allowing moisture to escape, while modern plaster is denser and less porous. The choice of plaster should be based on the building’s location, climate, and intended use.

Insulation and Plastering

Plastering alone cannot provide adequate insulation. It must be combined with other insulation materials, such as fibreglass, to improve energy efficiency. Plastering helps to seal gaps and cracks, preventing air leakage, but additional insulation materials are required to reduce heat loss or gain.

The Role of Plastering in Passive Heating and Cooling

Plastering is an essential aspect of passive heating and cooling. Passive heating and cooling rely on the building’s design and materials to regulate temperature without the use of mechanical systems. Plastering is crucial for this process as it helps to maintain a consistent temperature within the building.

The Importance of Proper Plastering Techniques

Proper plastering techniques are essential for maximising energy efficiency. If plastering is not done correctly, it can lead to air leakage, which compromises insulation and increases energy consumption. One important technique is ensuring that the plaster is applied evenly and without gaps or cracks. Another technique is to use thin coats of plaster, allowing each coat to dry completely before applying the next. This helps to reduce the risk of cracking and ensures that the plaster is properly sealed. It is also important to use the right type of plaster for the job, as using the wrong type can lead to poor insulation and energy inefficiency.

The Benefits of Energy-Efficient Plastering

Energy-efficient plastering has numerous benefits for both the environment and building owners. By reducing energy consumption, it helps to lower greenhouse gas emissions and combat climate change. Energy-efficient plastering also leads to lower energy bills for building owners, saving them money in the long run. Additionally, it can improve the comfort of occupants by maintaining a consistent temperature within the building. Furthermore, energy-efficient plastering can increase the value of a property, as buyers are increasingly interested in eco-friendly and energy-efficient buildings.

The Future of Plastering and Energy Efficiency

As the world becomes more focused on sustainability and reducing carbon emissions, the demand for energy-efficient buildings is likely to increase. This will lead to advancements in plastering techniques and materials to improve energy efficiency further.

New types of plaster are already being developed, such as aerated plaster, which has better insulation properties than traditional and modern plaster. Additionally, technology such as thermal imaging is being used to detect gaps and cracks in plastering, allowing for more accurate and efficient repairs. As the importance of energy efficiency continues to grow, the future of plastering is likely to focus on developing new techniques and materials that can further reduce energy consumption and promote sustainable building practices.


Plastering plays an integral role in energy efficiency. The type of plaster used, combined with other insulation materials, can significantly impact a building’s thermal performance. Plastering is also crucial for passive heating and cooling. When constructing a building, it is essential to consider the role of plastering in energy efficiency to reduce energy consumption and costs in the long term.

If you are looking for plastering services in Brisbane, you can hire us at We Plaster & Recruit. Our fully licensed and insured company can give you the best service you need, securing the foundations of your home. Get in touch with us to learn more about our services at We Plaster & Recruit.

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