3200mm² airflow per panel. These underlay Felt Lap Vents by Hambleside Danelaw are a type of ventilator that is perfect for installing from the inside of cold pitched roofs where condensation is an issue.
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Manthorpe Felt Lap Ventilator G630. The Manthorpe G630 Felt Lap Vent is designed to be fitted retrospectively to existing lofts to increase the amount of ventilation into existing roof spaces. The product can be easily installed by one person in joist openings from 400mm to 600mm wide to provide 3,000mm² of airflow per unit.
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The Timloc Felt Lap Vent is a high-quality ventilation product designed for loft, attic, and roof spaces. Made from durable plastic, this model (5560) boasts a thickness of 19mm and dimensions of 205mm in length and 280mm in width. Manufactured in the United Kingdom by Timloc, this felt lap vent is perfect for maintaining proper airflow and preventing moisture build-up in residential rooftops.
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12 x Felt Lap Vents, Loft Vents for Condensation, Roof Ventilation Lap Vents, Felt Lap Vents Prevents Loft Roof Condensation, Keep Attic Space Ventilation Airflow. Felt Vents for Loft: Each unit will provide 3000mm² of free airflow into the loft space.
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12 x Felt Lap Vents, Loft Vents for Condensation, Roof. Ventilation Lap Vents, Felt Lap Vents Prevents Loft Roof. Condensation, Keep Attic Space Ventilation Airflow. condensation problem, making your attic no longer damp in.
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Loft vents for the felt. Can message me to order a specific quantity if needed. Easy to use and apply to felt and highly effective
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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. The arched design can withstand greater pressure and has multiple holes to greatly increase ventilation.
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Felt Vents for Loft: Each unit will provide 3000mm² of free airflow into the loft space. The arched design can withstand greater pressure and has multiple holes to greatly increase ventilation. Lap Vents for Loft: Can be fitted at joist centres ranging from 400mm to 600mm, suitable for most roofs.
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