Condensation Control

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What is condensation?

Condensation occurs when the vapour held in the air converts to a liquid state. This occurs when the air holding the moisture meets a surface thats temperature is lower than the dew point, This then forces the air to cool and change the state of the moisture to form a liquid.

Spray foam insulation can provide a seamless thermal line of foam that not only creates the thermal barrier to stop the meeting of warm and cold but stop air leakage. If the air holding the moisture cannot get through the moisture held within it cannot get through thus cannot convert to its liquid state.


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Why do I have condensation on my roof or wall?

The reason the condensation is forming is due to 2 things.

1. The warm inside air is holding moisture
2. This air is meeting the cold surface and changing state

This is due to the lack of insulation between the warm and cold air. Spray foam insulation wales specialise in condensation control and can provide insulation on any shape and virtually any surface to prevent the condensation occurring.

The dew point is the temperature where the moisture in the air changes state and turns to a liquid.




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I have condensation but why do I now have mould?

Mould needs 3 things to survive

Moisture (condensation)
Nutrients (ceilings, wood, drywall, carpets)
Time (mould starts growing within 24 hours)

Moulds are found everywhere inside and outside, and can grow on almost any substance when moisture is present.
Our current building materials are perfect for mould growth, they act as a source of food and provide a home for the mould to grow. For mould to occur moisture must be present (this does not mean wet but relatively high humidity is enough for the growth)

Spray foam insulation is the best insulation material for condensation control.

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Symptoms of mould exposure

  • Nasal and sinus congestion, runny nose
  • Eye irritation, such as itchy, red, watery eyes
  • Respiratory problems, such as wheezing and difficulty breathing, chest tightness
  • Cough
  • Throat irritation
  • Skin irritation, such as a rash
  • Headache
  • Sneezing
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