The G965 Dual Extended Underfloor Vent is designed to provide a clear airflow passage to a void beneath an insulated suspended floor. It offers a vertical telescopic adjustment of between 5 and 8 brick courses without an extension sleeve, plus a horizontal outlet long enough t... Read More
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The G965 Dual Extended Underfloor Vent is designed to provide a clear airflow passage to a void beneath an insulated suspended floor. It offers a vertical telescopic adjustment of between 5 and 8 brick courses without an extension sleeve, plus a horizontal outlet long enough to bridge through an overall wall thickness of 350mm without needing an additional extension.
The front aperture of the G965 is suitable for use with a G930 Combination Airbrick or it can be used in conjunction with a traditional clay airbrick, although this would reduce the overall airflow through the system.
The current and future requirements of Part L of the Building Regulations, along with other standards and regulations, have led to an increase in the depth of thermal insulation in suspended floors. There has also been an increase in cavity widths to accommodate greater amounts of cavity wall insulation. This has meant that clear access to an underfloor void may be as far as 6 or 7 brick courses (525mm) below the level of an airbrick and potentially as much as 350mm from the outer face of the external leaf. Traditional telescopic underfloor ventilators would not achieve this without additional vertical and horizontal extension sleeves.
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