EPC 365 UK
External Wall Insulation
London, Hertfordshire & Essex
WE HAVE OVER 25 YEARS OF EXPERIENCE
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If you’re considering EWI, it’s a good idea to consult with professionals who can assess your specific situation and provide tailored advice with a retrofit assessment.
External Wall Insulation Specialists
London, Hertfordshire & Essex
What is External wall Insulation and is it the right option?
External wall insulation (EWI) is a method of insulating the exterior of a building to improve its energy efficiency and reduce heat loss. It involves our EWI Pro trained operatives attaching insulating material to the outside of the walls, then covering it with a protective layer, often a render or cladding. If your property is solid wall structure it will be the best option.
Benefits of External Wall Insulation
- Energy Efficiency: Reduces heat loss, lowering your energy bills.
- Comfort: Maintains a consistent indoor temperature.
- Aesthetics: Can enhance the building’s appearance with various finishes.
- Soundproofing: Improves acoustic insulation.
- Weather Protection: Protects the building structure from weather damage.
- Value: Adds significant value to your home.
Common Materials Used
- Expanded Polystyrene (EPS)
- Mineral Wool
- Polyurethane
- Cement board (as a protective layer)
Frequently Asked Questions
How is external wall insulation installed?
EWI is typically installed by applying adhesive to the 50mm-90mm insulation boards, which are then fixed to the wall. Afterward, a base coat and mesh reinforcement are added, followed by a finishing render or cladding.
Can I install EWI myself?
While some skilled DIYers may attempt it, professional installation is recommended to ensure proper application and compliance with building regulations.
Is external wall insulation suitable for all buildings?
EWI can be used on most buildings, but considerations like wall type, building height, and local regulations may affect suitability.
How long does it last?
With proper installation and maintenance, EWI can last 25 years or more.
Will it reduce my heating bills?
Yes, by minimizing heat loss, it can significantly lower heating costs.
Does it affect my home’s appearance?
EWI can be finished in various styles and colors, allowing for customization that can enhance your home’s curb appeal.
Is there any maintenance required?
Regular checks for cracks or damage to the finish are advisable. Cleaning may be needed to remove dirt or algae.
Does it help with damp issues?
EWI can help prevent damp by keeping the internal walls warmer. However, if significant damp issues exist, they should be addressed before installation.
Will it affect my home’s value?
Properly installed EWI can enhance the value of a home by improving energy efficiency and appearance.
Are there any grants or funding available?
Depending on your location, there may be government grants or schemes to assist with the costs of installing external wall insulation.
For more information on our services or need to know were to start. Get in touch.
Our aim is to improve the energy performance and safety of as many households as we possibly can.
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