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Can Roof Insulation Cause Condensation?By admin
Tuesday, 3 September 2019
When you pile all the top home improvements together, there is one that really shines through when it comes to benefits – roof insulation.
Able to make your home substantially warmer, improve the quality of your living environment, and help you to conserve energy, there is little not to love about proper roof insulation.
However, when one of a homeowner’s biggest nightmares, condensation, becomes the product of insulation, the benefits of such an amazing improvement can start to dwindle away.
Condensation is something that nobody wants to see; it has been linked to major health problems and can very quickly make a beautiful home almost uninhabitable.
The solution lies in getting to the bottom of just wants responsible for the condensation in the first place, as the following article reveals…
Insulation and Condensation: An Overview
There are two ways that you can insulate the roof of your home: loft floor insulation and loft rafter insulation. These create two different types of spaces, namely a cold loft, and a warm loft.
Now, when it comes to using the space, there are a few major differences. A warm loft can be utilised as an additional living space and is generally quite inhabitable, while a cold loft is normally much better suited to storage.
When it comes to condensation, the differences get even greater. When you install insulation on the floor of your loft, you are creating an enclosed space that is much cooler than the rest of your home.
As all that wonderful warm air starts to rise, it is going to hit the insulation. If there are gaps in the insulation, then the warm air is going to seep through and rapidly cool down – eventually forming droplets of condensation.
This principle works both ways; even if your floor is fully insulated, warm air is going to come in through the roof, and if it can’t escape through the house, then the temperature in the loft will start to fluctuate. The result? Even more condensation.
So, what’s the solution? Let’s take a look at what insulation is supposed to achieve…
The second type of barrier that insulation needs, an air barrier, is also incredibly important. Creating a good air barrier means that all that heat that rises is unable to simply slip straight through the insulation (a sign of poor performing insulation.)
Why Are Vapour And Air Barriers So Important?
If the natural moisture that accumulates in your home through everyday activities and condensation is not controlled, then you can encounter serious problems. Vapour and air barriers in insulation are designed to protect against such issues.
Vapour barriers are often required to meet building regulations. A vapour barrier stops the water vapour from seeping into parts of your home where it is not wanted, and, consequently, causing damp to appear.
The second type of barrier that insulation needs, an air barrier, is also incredibly important. Creating a good air barrier means that all that heat that rises is unable to simply slip straight through the insulation (a sign of poor performing insulation).
Creating an air barrier also stops condensation becoming a prominent problem, as tons of warm air isn’t rapidly cooling in the loft space.
This then leads us on to the second air-related requirement – ventilation.
If you have your loft floor insulated, you need somewhere for all that air in the loft to go. Without proper roof ventilation, the air in your roof will become stale, and, as a result, create considerable condensation inside.
A property is always going to produce moisture, and warm air is always going to rise, but by installing a form of insulation that is designed to deal with these issues, you can enjoy a warmer space, without condensation compromising your comfort!
Spray Foam Insulation: Keeping Condensation In Check
One of the best ways to ensure that your insulation has an adequate air barrier and vapour barrier is spray foam insulation. The best bit? Spray foam insulation can also be installed on the underside of your roof, in the rafters.
Open-cell spray foam insulation is a natural air barrier that has some very unique properties which make it well-suited to insulating loft spaces.
The product is able to absorb moisture and then release it, without any substance for mould to grow. Spray foam insulation is able to buffer moisture, keeping the levels far more consistent.
In fact, this multi-purpose foam completely eliminates all problems with condensation; both from warm air cooling, and from the natural production of moisture inside a home.
A property is always going to produce moisture, and warm air is always going to rise, but by installing a form of insulation that is designed to deal with these issues, you can enjoy a warmer space, without condensation compromising your comfort.
If you would like to learn more about how open-cell spray foam can provide a superior seal for your home, then please don’t hesitate to contact our team by calling 0800 1700 636, or by simply clicking the button below!, full_htmlRelated Home Logic Living Articles
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