permanent ventilationHome › Forums › Ireland › permanent ventilationThis topic has 1 reply, 2 voices, and was last updated 16 years, 5 months ago by Anonymous.Viewing 1 reply threadAuthorPosts June 19, 2009 at 10:23 am #710599 goneillParticipantAre habitable rooms stll required to have permanent (i.e. uncontrollable) ventilation, and if so how much? June 19, 2009 at 11:33 am #807870 AnonymousInactiveHave a look at Part F of the building regs (ventilation) as there are certain variables but generally up to 10m2 the opening for backround ventilation is 6500mm2 AuthorPosts Viewing 1 reply thread You must be logged in to reply to this topic.Log In Username: Password: Keep me signed inLog In