External Wall Insulation
External Wall Insulation is a process that involves applying an insulating layer to the exterior surface of a building, enhancing its thermal efficiency by preventing heat loss and reducing energy consumption, resulting in lower fuel bills.
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Learn More About External Wall Insulation
About External Wall Insulation
How does External Wall Insulation work?
External Wall Insulation (EWI) involves fixing insulation boards or panels to the outside of a building, creating a continuous thermal barrier. This improves energy efficiency, reduces heat loss, and enhances comfort. The process includes surface preparation, insulation installation, reinforcing mesh embedding, basecoat render application, and a final decorative finish. Proper detailing around openings and optional cladding may be added for additional protection.
External Wall Insulation (EWI) results in improved energy efficiency, thermal comfort, condensation control, sound insulation, and an enhanced exterior appearance. It reduces heat loss, lowers energy costs, minimizes condensation risks, and creates a more comfortable living or working environment. EWI also provides long-term durability, soundproofing benefits, and aligns with sustainability goals for reducing carbon emissions.
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Our External Wall Insulation consists of
Massive Annual Savings
With reduced energy consumption, lower energy bills and increased energy efficiency, you can save money with External Wall Insulation
Saving up to 1.8T of carbon per year
EWI is known to improve energy efficiency by reducing heat loss and the need for excessive heating or cooling, leading to a lower carbon footprint.
Lifespan Extension of the Building
With protection against the weather elements, minimising thermal stress, condensation control, enhanced durability of insulation, and less maintenance required, External Wall Insulation ensures your home stands for longer.
Condensation Prevention
By addressing thermal bridging, enhancing insulation, and managing moisture, EWI helps to minimize condensation risks within the building envelope, contributing towards a healthier indoor environment, preventing mold growth, and protecting the integrity of the structure.
External Wall Insulation FAQs*
External Wall Insulation, or EWI, is a method of insulating buildings by applying an insulating layer to the exterior surface. It improves thermal performance, reduces heat loss, and enhances energy efficiency.
External Wall Insulation offers several benefits, including improved energy efficiency, reduced heating and cooling costs, enhanced thermal comfort, condensation control, increased sound insulation, an aesthetically pleasing exterior, and long-term durability.
EWI can be installed on a wide range of buildings, including both new and existing structures. It is suitable for various construction types, such as masonry, concrete, and timber-framed buildings.
The duration of EWI installation depends on factors such as the size and complexity of the building, as well as weather conditions. It typically takes several weeks to complete the installation process, including surface preparation, insulation application, rendering, and finishing.
In some cases, EWI may require planning permission, especially if the appearance of the building will be significantly altered. It is recommended to check with local authorities or consult an EWI specialist to determine whether planning permission is necessary for your specific project.
EWI systems are designed to be low-maintenance. However, periodic inspections and basic maintenance, such as cleaning the exterior surfaces, may be required to ensure the system’s longevity and optimal performance.
EWI installations can typically be carried out during winter months, although weather conditions may affect the process. Special considerations may be required, such as protecting the installed materials from frost and ensuring suitable drying conditions for renders and coatings.
Yes, EWI contributes to environmental sustainability. By improving energy efficiency and reducing heating/cooling demands, EWI helps to lower carbon emissions and minimize environmental impact. Additionally, many EWI materials are recyclable, further enhancing its eco-friendliness.
Yes, EWI can be applied to buildings with historical or heritage value. However, it is important to work with conservation experts and follow guidelines to ensure that the installation is sympathetic to the building’s architectural features and heritage significance.
Depending on your location, there may be financial incentives or grants available to promote energy efficiency measures, including EWI. It is advisable to check with local authorities, energy efficiency programs, or governmental initiatives to explore potential financial support options.
*These FAQs provide an overview of EWI, addressing common questions related to its benefits, installation, maintenance, environmental impact, and more. For more specific information, it is recommended to consult EWI specialists or professionals familiar with local regulations and practices.
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