Felt Lap Vents (Ventilation)
Terracotta Cowl Air Vent Cover. 9 x 6 Inch (228mm x 153mm) Weather protection cowl. Wall vent cowl cover for air bricks vents and grilles. Manufac...View full details
Manthorpe Felt Lap Vent | Roof Loft Ventilation | Cures Loft CondensationThe Manthorpe Felt Lap Vent is a refurbishment product designe...View full details
9" x 3" White Plastic Louvre Air Vent Grille With Flyscreen Cover White plastic louvre air vent grille with flyscreen cover Pack of 1 9" x 3" 229m...View full details
Map 901-02 Rnd Soffit Vent 70Mm Wht X10
Ventilation is the intentional introduction of outdoor air into an internal space and is mainly used to control indoor air quality. View our range of brick vents, roof tile vents, wall space vents and floor vents.
What are Felt Lap Vents?
Felt Lap Vents are easy-to-fit products that are inserted on the inside of roofs to effectively treat condensation issues in lofts and attics.
How Many Felt Lap Vents Do You Need?
It is recommended that one felt lap vent be placed at low levels of every other rafter spacing, at both sides of the roof space to ensure the cross-flow of ventilation. For extreme cases with persisting condensation issues, additional felt lap vents can be placed in the roof space to increase ventilation.