Archive for the 'Insulation' Category
Roof insulation
Times have moved on since the days when 10 centimetres of glass fibre in the attic was considered sufficient insulation, even for a house in France, and the subject is now a bit complicated. There are newer ‘high-tech’ materials available, and we have a much greater knowledge of how heat is lost from a building.
The focus is now on providing much greater levels of insulation, ultimately to save on heating costs and save the planet, and also on targetting weak points or discontinuities as they are called in the ‘insulation envelope’. Thus your wall insulation should be continuous with the roof insulation and floor insulation for example.
Heat loss from an uninsulated or very inadequately insulated building is very broadly analysed as:
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