22 x Felt Lap Vents, Loft Vents for Condensation, Roof Ventilation Lap Vents, Felt Lap Vents Prevents Loft Roof Condensation, Keep Attic Space Ventilation Airflow

Product Content: Pack of 22 Lap vents, length 203mm, width 280mm, height 19mm. The arched design can withstand greater pressure and has multiple holes to greatly increase ventilation

Felt Vents for Loft: Each unit will provide 3000mm² of free airflow into the loft space

Lap Vents for Loft: Can be fitted at joist centres ranging from 400mm to 600mm, suitable for most roofs

Easy to Install: You just push them between the felt joins and they let in more air from the underside of your roof tiles

Dry Loft: Attic vents can increases airflow and helped with yours condensation problem, making your attic no longer damp in winter, and it can quickly discharge the steam after bathing and improve the ventilation environment, giving you a dry loft