05 September 2016
Warm roof ventilation requirements
Warm roofs are a type of roof construction that can include loft conversions, a ‘room in the roof’ scenario, often created with dormer windows, or simply a roof space that has been designed for habitation.
The insulation can be laid above, between or below rafter level, or in a combination of all these positions.
Although there is a low risk of condensation with warm roof construction, it is very difficult to seal all joints, gaps and penetrations against all water vapour transmissi...