Best Manthorpe Roof Vents of 2026

The Manthorpe Felt Lap Vents are designed to prevent roof condensation, ensuring a healthier loft space. This pack of ten vents is easy to fit, as they simply slot between the felt laps, saving you time and effort during installation. By effectively reducing moisture drops, these vents help maintain a dry attic environment, which is essential for preventing damage to your roof and insulation. Additionally, you can install them from inside the loft, making the process even more convenient for you.

The Manthorpe Roof Vent is designed to improve loft ventilation and tackle condensation issues effectively. With an impressive airflow of 3,000mm² per unit, it ensures your loft space remains well-aired. It's versatile, fitting between joist centres of 400mm to 600mm, making it adaptable to various roof structures. The tapered lead-in design simplifies installation, allowing you to slot it easily between felt laps. Additionally, the included felt clips help secure the vent firmly in place, even if the felt edges have started to degrade.

The Manthorpe Over Fascia Vent is designed to enhance airflow into your roof space, ensuring optimal ventilation between the felt and fascia board. With a generous airflow of 10,000mm² per meter, it effectively promotes eaves ventilation, helping to prevent moisture build-up and potential damage. This roof vent is compatible with all types of roof tiles and slates, making it versatile for various installations. Each strip measures 1 metre, allowing you to easily cover the necessary lengths for your roofing project.