215 x 72mm cavity wall background ventilator suitable for continuous (DMEV, CMEV) and Intermittent ventilation systems made from High Impact Polystyrene. Not for use with MVHR systems. Background ventilators offer a complete solution for natural ventilation providing the effective ventilation that is required in a dwelling and are ideally suited to the airtight construction of new homes.
KIT OF PARTS:
99 x 250mm white internal grille
332mm flat channel duct
71.5 x 215mm terracotta air brick with integrated water barrier
Provides constant, natural ventilation
Helps prevent damaging condensation
No energy consumption or running costs
Ideal for intermittent and continuous extract systems
Contributes to the circulation of fresh, natural air
Suitable for new homes and retrofit
Equivalent area of 5825mm2
Complies with Building Regulations Part F Volume 1: Dwellings - Background Ventilators
INSTALLATION: No special fixing is required. Build in the cavity liner with fitted air brick as work proceeds. Fasten the internal ventilator using screws. To comply with Building Regulations Part F the ventilator should be sited not less than 1.7m above floor level.