Roof Space Ventilation Nz

Roof ventilation achieving calculated continuous and unimpeded airflow through the roof cavity is relatively straight forward.

Roof space ventilation nz.

Established in 2010 blue building solutions ltd trading as vent is the specialist in the supply of passive ventilation systems and products. The roof space is generally inaccessible with little natural ventilation and the small roof space can accelerate problems with moisture. Skillion roofs need carefully designed and installed ventilation to reduce the risk of moisture related problems. In skillion roofs the roof cladding and ceiling run parallel typically within 300 mm of each other.

Our systems are structured and specifically tailored for new zealand buildings and the extreme climatic conditions. Nz commonly uses 4 5mm fibre cement for soffit linings with rebated timber fascia boards. Tevs aluminium vent strips are made in two standard widths with 3mm slots either 50mm or 25mm long x 3 00m although other special sizes can be made to order. 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.

Ventilating a home with no roof cavity a flat roof or a skillion roof design is something that should be planned prior to building and should involve a ventilation specialist and the architect who both understand each others point of view and the needs of the client. Positive pressure ventilation systems these are very common in nz in existing homes but do not comply with current ventilation standards for new builds.