External Wall Insulation


When you are considering installing a home insulation system, then an external wall insulation system is the best and most efficient choice you can make, despite it costing slightly more than internal insulation.

The benefits of external wall insulation

The best part about external wall insulation is that it won’t interfere with the inner space of your room in any way. This also means that you do not have to redecorate or renovate when you are just thinking of simply installing wall insulation. If the other options do not seem appealing, then external wall insulation is something you should take into consideration. Another advantage of External Wall Insultation is that it installs a bright new façade finish to your property.

A long term difference

Even though external wall insulation is expensive, it lasts longer. In general, external and solid wall insulations can last up to 36 years or more. In fact, if you consult an expert on this regard, they would suggest that external wall insulation is much more important than a measure of last resort. There is more to the wall than just holding the roof up. Keeping the heat intact inside is also a major important task of the wall. Even though, external insulation is any day a better choice if your budget permits, that does not mean it does not come with its own set of challenges. Any kind of insulation, whether internal or external must deal with the problem of moisture.

Conditions that external wall insulation battles against

Moisture penetration is a major challenge for any home insulation system, whether internal or external. Moisture can enter the wall from both the sides. Externally rain and humid weather can affect the walls. Internally, the moisture from the people and activities like cooking, washing and even breathing can affect the internal skin of the wall. When the concept of cavity wall was introduced, the builder had the choice of making either an impermeable wall like a brick wall, that prevents moisture penetration completely or, to make a rather breathing wall such as a stone wall that will allow moisture to enter up to a certain degree and then let it evaporate. Considered to be an impermeable wall, the cavity wall functions as a barrier and prevents moisture from entering. The rainwater that goes into the wall is soon evaporated by the movement in the air inside the cavity.

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