Increases airflow and reduces moisture in roof space Durable and discrete interlocking 25mm eaves vents provide continuous eaves ventilation to encourage airflow throughout the roof system. Allows the roof to breathe and discourages birds and large insects . Each lightweight polypropylene vent features stop beads that simplify the fitting to top edge of fascia board and integral nail holes for consistent and secure fixings. Features & Benefits Newbuild and retrofit to existing roofs Low profile design Extremely strong and lightweight 4mm integral grill Fixing location holes 25mm ventilation capacity 10mm capacity also available Prevents birds and large insects accessing the roof Why its important to ventilate the roof Inadequate ventilation in the roof space encourages moisture which can damage roof timbers. All newbuild properties must have continuous ventilation at eaves level to avoid damp and condensation within the roof void and to comply with Buildin...