Many flat roofs have been constructed with little or no thermal insulation. Not only does this mean a higher heating bill to keep the room(s) warm but also there may be an accumulation of moisture within the roof structure that can lead to rotting of the structural timbers, and even poorer thermal insulation if the insulation becomes wet.
The solution is to retain as much of the existing structure as possible (assuming no rot) and add extra insulation, a vapour barrier and a new top weather-proof surface.
Using modern rigid insulation foam extra thermal insulation can be added that exceeds current UK Building Regulation requirements.
You can read more about how we modify old flat roofs to make your rooms warmer and reduce your heating bill here:
https://mecontractorsltd.com/warm-roofs-North-Wales-insulation-flat-roofs.html
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