Manthorpe Felt Lap Ventilator
The Manthorpe Felt Lap Vent is a refurbishment product designed to increase the amount of ventilation into existing roof spaces.
- Can reduce the risk of condensation where insulation has already been fitted.
- Can be fitted at joist centres ranging from 400mm to 600mm.
- 3,000mm²/m airflow.
- Easy to fit, the tapered lead in helps to slot the product between the felt laps.
- The 3 felt clips help secure the product in place even if the edge of the felt is degraded.