Mainly used in refurbishment, push-in soffit vents (primary roof vents); provide a convenient method of providing ventilation through an existing soffit board.
Barbed ridges on the sides of each vent grip the soffit board and hold them securely in place.
Each ventilator provides 2000mm² of free airflow and should therefore be positioned at 200mm centres in order to achieve the equivalent of a continuous 10mm opening.
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