Your top 3 insulation questions answered

If you’re wondering how to get more value out of your home heating oil spend, you’ll probably have thought about the current insulation in your house and how this can impact the heat retention in your home. It’s common knowledge that insulation is necessary for keeping your home warm, but there are lots of other important questions you should be asking before you install it everywhere.

Here are your top 3 insulation questions answered, which should give you a better idea of what you need to do about keeping your home warm this winter with insulation.


  1. Where can I have insulation in my house?

When it comes to the most common places for insulation in homes in Ireland, the 3 key areas are:

  • Roof insulation: Roof or loft insulation is the most common type of insulation, as up to 25% of heating lost from our homes is through the attic. Adding loft insulation is an easy way to keep heat inside your home where it belongs. There are several factors to consider when adding loft insulation – do you use your attic for storage? Do you have it converted as a bedroom or living space? Do you currently have any damp or condensation problems? Has your home got a flat roof? Talk to an insulation expert who can assess your attic and advise on the best solution for you.
  • Cavity wall insulation: In many older homes in Ireland walls may be lacking insulation, and you could be losing a third of heating through here. If you’re not sure if they have been filled with insulation or not, an engineer will be able to carry out a borescope inspection, where a small hole is drilled into the wall to see if it contains any insulation. Having your walls filled will require the use of specialist equipment and machinery, so you won’t be able to complete this process yourself.
  • Pipe insulation: Cold weather and heavy frosts always bring the worry of frozen pipes, which can lead to all sorts of chaos in the home from cutting off your water supply to dealing with large repairs if the pipes burst. Make sure that any exposed pipes are lagged with insulating material to protect them from the elements during the winter and provide yourself with some added peace of mind.


  1. Is insulation expensive?

Prices for insulation differ depending on the type you need, and whether you need to pay someone to carry out this service for you. For example, lagging exterior water pipes can be done easily yourself using insulating foam rollers bought from a hardware retailer, however your attic insulation may require the services of a professional, especially if you require insulation to be blown in rather than rolled out and laid flat across the floor.


  1. What is my insulation made from?

In most cases, your insulation will be made from either mineral wool, cellulose or fibreglass. Cellulose is primarily made from recycled newsprint and most fiberglass contains 20% to 30% recycled glass. Mineral wool insulation is made from molten glass, stone or slag (industrial waste) that is spun into a fibre-like structure. Each of these materials have thermal resistance properties, which allows them to prevent the passage of heat, meaning that the heat stays in your home.

If you think your home would benefit from added insulation, contact a professional installer and arrange for them to assess your property and advise you on the next steps to a warmer home.

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