External Wall Insulation System

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Energy Saving Wall Insulation System.

Let us introduce you to our External Wall Insulation (EWI) services. We apply a thermal barrier to your external walls, helping to regulate the temperature inside your property year-round. The result? Lower energy costs and a more comfortable living or working space. And we promise, with our range of finishes, your property will look better than ever

In addition to helping you save on energy bills, our EWI service also provides a protective shield to your property, safeguarding it from weather damage and enhancing its lifespan. Not to mention, this investment can significantly boost your property value. So, why wait? Let's make your property greener, more comfortable, and visually appealing together.

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What is External Wall Insulation?

External Wall Insulation (EWI) is a highly effective method of improving the thermal efficiency of buildings, reducing energy consumption, and enhancing the overall comfort of living spaces. Also known as External Thermal Insulation Composite System (ETICS), it involves insulating the exterior walls of a building to create a barrier against heat loss. This article aims to provide a comprehensive overview of External Wall Insulation, its benefits, and its application.

How Does External Wall Insulation Work?

External Wall Insulation works by fixing an insulating material, such as Expanded Polystyrene (EPS), Mineral Wool, or Phenolic Foam, onto the external walls of a building. The insulating layer is then covered with a weatherproof render or cladding system, providing a protective and aesthetically pleasing finish.

Benefits of External Wall Insulation:

  1. Energy Efficiency: One of the primary benefits of EWI is its ability to significantly reduce heat loss from buildings. By creating a thermal barrier on the external walls, EWI prevents heat from escaping during colder months and keeps interiors cooler in warmer weather. This leads to reduced energy consumption and lower heating and cooling bills.
  2. Improved Comfort: EWI not only keeps buildings warmer but also helps eliminate cold spots and draughts, making interiors more comfortable and pleasant to live in.
  3. Condensation Control: By minimizing heat transfer through walls, EWI helps reduce the risk of condensation and mold growth, contributing to better indoor air quality and overall health.
  4. Renewable Energy Compatibility: EWI complements renewable energy systems, such as solar panels and heat pumps, by reducing the overall energy demand of a building, making it easier to achieve energy efficiency targets.
  5. Enhanced Aesthetics: External Wall Insulation allows for a wide range of decorative finishes, including different colors, textures, and styles. It can rejuvenate the appearance of older buildings and provide a modern look to new constructions.
  6. Noise Reduction: EWI can also act as a barrier to external noise, providing an additional layer of acoustic insulation and improving the soundproofing qualities of the building.

Application of External Wall Insulation:

EWI can be applied to various types of buildings, including residential, commercial, and public structures. The process involves several steps, including:

  1. Surface Preparation: The external walls are cleaned, repaired, and made ready for the application of insulation.
  2. Insulation Fixing: The chosen insulating material is fixed to the wall surface using mechanical fixings or adhesive.
  3. Reinforcement and Basecoat: A layer of reinforcement mesh and basecoat is applied over the insulating material to provide strength and stability.
  4. Final Render or Cladding: The system is finished with a final render or cladding, which can be customized to the desired appearance.

External Wall Insulation - Which cities?

Our company takes immense pride in offering top-notch External Wall Insulation System services in key cities across the UK, including Manchester, Bolton, Rochdale, Stockport, and Bury. With a focus on energy efficiency, improved aesthetics, and sustainable building solutions, our External Wall Insulation services are tailored to meet the unique needs of residential, commercial, and public properties.

Premium External Wall Insulation Services in Manchester, Bolton, Rochdale, Stockport, and Bury

Service Coverage

Our premier External Wall Insulation services cover the following key cities:

  • Manchester: Enhance the thermal performance and appearance of your property in the vibrant city of Manchester.
  • Bolton: Keep your property comfortable and energy-efficient in the charming town of Bolton.
  • Rochdale: Optimize your building's insulation in the historic town of Rochdale.
  • Stockport: Improve energy efficiency and aesthetics in the bustling town of Stockport
  • Bury: Enjoy sustainable building solutions in the picturesque town of Bury.

Why Choose Us?


Our team of skilled professionals possesses extensive experience in External Wall Insulation, ensuring top-quality service delivery.

Quality Materials

We utilize premium-grade insulating materials, providing long-lasting and effective solutions.

Custom Solutions

Our EWI services are tailored to suit the specific requirements and architectural features of each property.


We offer competitive pricing without compromising on the quality of our services.

Our company specializes in providing premium External Wall Insulation services in the thriving cities of Manchester, Bolton, Rochdale, Stockport, and Bury. Whether you're seeking energy efficiency, improved comfort, or enhanced aesthetics, our EWI System offers a comprehensive solution for your property. Trust our experienced team to transform your building into a sustainable, cost-effective, and visually appealing space. Contact us today to discuss your EWI needs and get started on your journey to a more efficient and comfortable property.

External Wall Insulation is a versatile and effective solution to improve the thermal performance and aesthetics of buildings. Its numerous benefits, including energy efficiency, enhanced comfort, and condensation control, make it a popular choice for both retrofitting existing properties and incorporating into new constructions. By investing in External Wall Insulation, property owners can create more sustainable and eco-friendly living and working spaces while also enjoying significant long-term cost savings.


  • An External Wall Insulation (EWI) system is a process whereby insulation material is applied to the exterior walls of a building. This not only enhances the thermal performance of your property, but also provides a fresh, updated appearance. An EWI system can help to drastically cut energy bills, reduce carbon footprint and increase the comfort levels within your home.

  • The duration for installing an EWI system can vary, largely depending on the size of your property and the specific conditions of the project. However, as a rough guide, most standard installations on a semi-detached house are usually completed within 2 to 3 weeks. Our team at RS Rendering Specialists Ltd will provide a more accurate timeline following a detailed site survey.

  • The beauty of an EWI system is its relatively low maintenance. Generally, it's recommended to have a visual inspection every few years to check for any signs of damage or wear. Depending on the finish, you might need to clean it occasionally with a mild detergent and water. If you notice any significant changes, don't hesitate to contact us for professional advice and assistance.

  • Indeed, an EWI system is a versatile solution that can be applied to a wide range of building types, including both residential and commercial properties. However, it's essential to consider the building's existing structure and materials. Our expert team can conduct a comprehensive property assessment to determine if an EWI system is the right solution for your building.

  • Both an EWI system and silicone rendering can enhance a property's thermal performance and aesthetic appeal. However, while silicone rendering is primarily a decorative finish with some insulating properties, an EWI system is a comprehensive solution that combines insulation and a range of possible finishes (which can include silicone rendering) to deliver significant energy savings and a transformed exterior.

Contact Us.

Our team is on standby to assist with your needs, whether it be a quick query or a detailed consultation. At RS Rendering Specialists Ltd, we're all about delivering exceptional results. Contact us and let's shape your dream facade together.

1 Athol Road
Manchester, M16 8QW

0748 7707 796

0161 509 2146

Mon - Fri, 9AM - 5PM