Passive Roof Vents Nz

Our systems are structured and specifically tailored for new zealand buildings and the extreme climatic conditions.

Passive roof vents nz.

Questions around the need for passive ventilation elements to give new zealand roof cavities a breath of fresh air have been investigated by branz researchers since at least 1988. Recent research shows that internal moisture condensation in the roof space is a widespread and growing problem across new zealand. Established in 2010 blue building solutions ltd trading as vent is the specialist in the supply of passive ventilation systems and products. Extra ventilation not favoured in past back then a scientific article concluded that additional roof ventilation has been found to be of no assistance.

Our systems are structured and specifically tailored for new zealand buildings and the extreme climatic conditions. Extra ventilation not favoured in past back then a scientific article concluded that additional roof ventilation has been found to be of no assistance. The rv10p has an adhesive and flexible aluminium flashing which is designed to form to roofing profiles and prevent water ingress on any pitch roof. Whilst it is possible to retrofit passive ventilation solutions to existing buildings it is highly recommended to incorporate passive ventilation during the design phase of any new building project.

Recommended airflows of either 10 000mm per linear metre or 25 000mm are determined by the pitch or the design of the roof and can be easily achieved using recommended product combinations. The rv10p form part of a passive ventilation system that works year round with no moving parts or energy consumption. The vent ridge vent is designed to release warm air from the roof void using the natural convection of rising warm air or by means of negative pressure created by wind blowing over the roof. Weather tightness requirements have been specified for many decades without the required ventilation.