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:
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99 x 250mm white internal grille
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332mm flat channel duct
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71.5 x 215mm brown air brick with integrated water barrier
KEY FEATURES:
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Provides constant, natural ventilation.
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Helps prevent damaging condensation.
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No energy consumption or running costs.
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Ideal for intermittent and continuous extract systems.
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Contributes to the circulation of fresh, natural air.
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Suitable for new homes and retrofit.
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Equivalent area of 5825mm2.
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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.
