The Ultimate Guide to Solid Wall Insulation: Benefits, Types, and Installation
If you live in an older home, chances are it has solid walls rather than cavity walls. While solid walls provide structural strength, they are not as energy-efficient as modern cavity walls. This is where solid wall insulation comes in—helping to improve energy efficiency, reduce heating costs, and create a more comfortable living environment. In this guide, we’ll explore the benefits, types, and installation process of solid wall insulation.
Why Insulate Solid Walls?
Solid walls allow heat to escape more easily than cavity walls, leading to higher energy bills and a colder home. Insulating these walls can:
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Reduce heat loss by up to 45%
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Lower energy bills by making your home more energy-efficient
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Improve indoor comfort by maintaining a consistent temperature
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Reduce carbon footprint by lowering overall energy consumption
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Increase property value as energy-efficient homes are more attractive to buyers
Types of Solid Wall Insulation
There are two main types of solid wall insulation: internal and external.
Internal Wall Insulation (IWI)
This method involves adding insulation to the inside of the walls. It is suitable for homes where external insulation is not an option, such as in conservation areas.
Methods of Internal Insulation:
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Insulated plasterboard: A layer of insulation attached to plasterboard, fixed to the wall.
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Stud wall with insulation: A new wall is built with insulation placed in between, then covered with plasterboard.
External Wall Insulation (EWI)
This involves applying an insulating layer to the exterior walls, which is then covered with a protective render or cladding. It is ideal for homes where internal insulation would be too disruptive.
Benefits of External Insulation:
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Does not reduce interior space
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Improves weatherproofing and sound insulation
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Enhances the appearance of the property
Installation Process
Internal Insulation:
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Walls are prepared by removing existing finishes.
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Insulation boards or stud walls are installed.
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Plasterboard is applied, followed by decoration.
External Insulation:
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The outer surface is cleaned and prepared.
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Insulation boards are fixed to the walls.
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A protective render or cladding is applied.
Cost and Grants
The cost of solid wall insulation depends on the size of your home and the method used. However, various grants and incentives may be available to help with the costs, such as the UK’s ECO scheme or local government initiatives.
Conclusion
Solid wall insulation is a fantastic investment for homeowners looking to improve energy efficiency, lower heating bills, and enhance indoor comfort. Whether you opt for internal or external insulation, the benefits are significant. Before proceeding, consult with a professional to determine the best option for your home.
Are you considering solid wall insulation for your property? Contact an expert today to explore your options!