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Type CRSV Circular Recessed Soffit Ventilator
Technical drawings
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Further information
Download PDF Datasheet
Available in 6 variation(s).
Use
To provide airflow in and out of roof space via the soffit board. Suitable for introduction into existing soffit boards to fulfil airflow requirements. Also suitable for new build applications.
Introduction
The CSRV differs from the standard CSV as it has a deep body that protrudes up into the soffit box.The airflow apertures are positioned around the sides of the deep body ventilator rather than through the top.This arrangement results in a far greater airflow rating per ventilator.Thus a lesser number are required to fulfil the statutory airflow levels. The Type CSRV can be used on most pitches of roof (appropriately spaced)and self-secures when pushed into a 70mm circular hole. Always ensure airflow via a soffit ventilator can reach the parts of the roof intended.
Data
•BS polypropylene
•Size 70/90 x 40
•Colours:white,brown and black.
•Free airflow 3,420mm² per ventilator.
•Packaged in boxes containing 50no.