The Pro’s and Con’s of Cavity Wall Insulation
Cavity wall insulation is used to maintain heat between walls allowing homeowners to maintain an even temperature, protect against moisture build-up, reduce drafts and also reduce their heating and cooling costs.
Around one third of all heat generated inside the home is lost as warm air will always flow towards cooler air making it difficult to retain a regular temperature, especially in the winter months.
Generally speaking, homes built after 1990 have this type of insulation, but that leaves an awful lot of houses throughout the UK with no cavity wall insulation at all due to the technology not being available when they were constructed.
With so many homeowners looking to make their homes more energy efficient and save money on continually rising energy bills, people are looking towards cavity wall insulation as a simple solution.
However, there are pros and cons of cavity wall insulation. In this article, we’ll take an independent view point on cavity wall insulation to allow homeowners to make an informed decision on whether its right for them.
Read on to discover the benefits and downsides of cavity wall insulation.
Con’s of cavity wall insulation
Cavity walls are designed to be resistant rainwater driven by wind as they provide a gap between the external wall and inner wall that the moisture cannot travel across.
By pumping cavity wall insulation material into the cavity, there is the possibility that the moisture can travel through to the internal wall causing damp that previously didn’t exist in the property. However, there are several cavity wall insulation materials to choose from, so its important that you seek advice on the best option for your property before going ahead.
Some properties are not suitable for all types of cavity wall insulation as they may cause damp issues as mentioned above or cause structural damage. In these cases, its always a good idea to have a thorough assessment of your property before discussing suitable material or insultation alternatives.
Pro’s of cavity wall insulation
Better heat retention
Cavity wall insultation is essentially like wrapping your home in a warm blanket as it significantly reduces the heat escaping outwards and helps maintain an even, comfortable temperature.
Reduced energy consumption
Once a home has cavity wall insulation, the vast majority of heat is retained meaning far lower heating bills, especially in cold weather. On average, a house with cavity wall insulation can save in excess of £150 a year on their heating bills.
Improved EPC rating
With cavity wall insulation, the house can enjoy an improved EPC rating making it a greener, more energy efficient prospect to homebuyers if it is ever placed up for sale.
Cavity wall insulation is provided by injecting polystyrene beads that expand once inside the walls to fill the cavity. This is the most commonly used form of cavity insulation, however, there are other cavity wall insulation materials that can be used which are cost effective.
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