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What are the regulations on ventilation?


The Building Regulations, Part F – SI 556 (2009)

F1 -- Means of Ventilation

Adequate means shall be provided for people in buildings. This shall be achieved by:

  • limiting the moisture content of the air within the building so it does not contribute to condensation and mould growth and

  • limiting the concentration of harmful pollutants in the air within the building.

F2 -- Condensation in Roofs

Adequate provision shall be made to prevent excessive condensation in a roof or roof void above an insulated ceiling.