External Wall Insulation (EWI) is a fantastic way to boost your home's energy efficiency while
adding a unique touch to its appearance. By applying insulating boards to the external walls, EWI creates a complete thermal envelope that significantly reduces heat loss. This method
is particularly beneficial for homes built before the 1920s with solid wall construction,
ensuring your property stays warm in winter and cool in summer.
Why Choose External Wall Insulation?
Investing in EWI can lead to lower energy bills and a reduced carbon footprint. It effectively eliminates chilly drafts and dampness, making your home a more comfortable place to live. Plus, with a variety of finishing options available - from high-quality render to brick slips and timber cladding - you can personalise your home’s exterior while enhancing its thermal performance.
How Is External Wall Insulation Installed?
The installation process begins with a render test to assess the strength of any existing render. If the current render is inadequate, it will be removed before attaching the insulation directly to the brickwork. If it passes the test, the render will be smoothed to prepare for the insulation application.
Before starting the installation, any external pipework will need to be removed and later reinstalled. Our skilled team can even replicate architectural features like stone window sills and lintels to maintain your home's character throughout the process.
The Benefits of External Wall Insulation
Lower heat loss and energy bills: Keep your home warmer and reduce your energy costs.
Transform the appearance of your home: Choose finishes that enhance your property’s look.
Solve existing wall finish problems: Improve aesthetics while increasing insulation.
Low maintenance: Enjoy a durable system that protects your walls.
Total weather protection: Minimise internal wall condensation and eliminate damp atmospheres.
Increased comfort: Enjoy a warmer home in winter and a cooler one in summer.
No disruption inside your home: Maintain your internal space without sacrificing floor area.
Increased sound resistance: Create a quieter living environment.
If you’re curious about how EWI can transform your home, don’t hesitate to contact us for a free consultation with one of our experts.
Choosing the Right Insulation Material
Different insulation materials have varying performance levels, and not all are created equal. At Cobalt Carbon Free, we recommend Kingspan Phenolic Foam for its excellent thermal performance. It meets building regulations while being thinner than other materials, preserving the aesthetics of your home.
When considering insulation types, keep in mind factors like fire rating, thermal performance, durability, biodegradability, and moisture resistance.
Considerations for EWI Installation
It’s important to note that planning permission may be required if you live in a conservation area or if your house isn’t already rendered. We’ll handle your planning application from start to finish, ensuring compliance with any restrictions on finishes. Proper installation is crucial, so rely on our specialists to design and install the system effectively. Additionally, any rising damp issues must be addressed prior to installation, and our team is equipped to handle this.
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