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Required Joist Opening: 562 x 662mm
It is CE Marked and meets European rules on the manufacture of PPE
To provide ventilation for heat producing appliances
They prefer nesting in small groups but the population has been dwindling for many years as suitable nest sites have become scarcer
Manthorpe G400 Eaves Cross Flow Roof Vent Suits 400mm Rafter Width Pack Size:50 Required Joist Opening: 562 xProduct Description Cross Flow Eaves Panel Vent The Manthorpe G400 cross flow eaves panel vent. Designed to maintain a flow of air to the roof space from the eaves. Size: 420 x 350 x 28mm. Suits 400mm rafter centres. Provides 10,000mm M of airflow. Can be stacked to cover deeper insulation depths. Used in refurbishment situations and can be fitted from inside of the roof. Other sizes and roof vents available in our shop.
