The Ultimate Guide to Cavity Wall Insulation

by Saving Engergy WELCOME TO SAVING ENERGY

If your home was built after the 1900s, there are chances that it has cavity walls. It is only from the last 20 years that walls are being insulated to keep the heat inside and save both money and energy. You should know that almost one-third of heat loss from a majority of homes is through the walls. However, having proper insulation places a little less stress on the environment, proving as a cost-effective method as well. 

 

What is a cavity wall?

 

It is the one made from two separate thin brick walls with a gap in between. These hold each other together with metal wall ties. The age of your property is the foremost clue whether or not you have a cavity wall. If you are unsure, look at the exposed brickwork – it will look the same everywhere. In a solid wall, the ideal placement is two bricks wide and a row of interlocking bricks forming a complete 9-inch wall. If the brickwork is cladded, you can examine the outer walls - 10 inches or more is probably a cavity; however, a narrower wall is solid. 

 

When to consider having cavity wall insulation?

 

You must only consider cavity wall insulation if the answer to all the following points is a solid yes:

 

• Your home has an unfilled 2” wide cavity wall
• The brickwork is in excellent condition
• Your home is about four levels high (12-meters)
• There is not be any timber or steel-framed construction
• The internal walls are dry instead of damp
• The cavity is at least be 50mm wide
• Your house isn’t at a risk of flooding
• The external walls are accessible – if these are joint with your neighbors, the installer will insert a barrier at an additional cost

 

Professional installers will inspect the above-mentioned points to see whether or not they can go-ahead.

 

Keep in mind, you cannot install the insulation by yourself. Only if you are a trained and qualified installer, you can take up the task. Also, depending on the type of material (stone, timber, or steel frame) your home is built on, alternative ideas can be applied to insulate your home. If there are no cavities to insulate, a local installer can still suggest a suitable method. 

 

What are the types of available insulations?

 

The type of insulations can vary from mineral wool to foam or granules. Mineral wool is best suited for lofts insulation, foam is a bit tricky to work with but offers thermal insulation and granules are popularly used to create a gap-free wall. 

 

How can I find the right installer?

 

Remember, a work like this calls for a quality assurance. Thus, the expert needs to be signed under a code of professional practice. They must be accredited with the CIGA (Cavity Insulation Guarantee Agency) for at least 25 years. So, before confirming the booking, talk to your nearest reputed installer and obtain full information. Contact a company that can smartly cater to your needs and provide reliable solutions.

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Created on Feb 28th 2020 23:27. Viewed 272 times.

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