If further ventilation is required, install one lap vent into every rafter space at low level or into lap joints at higher level. To provide typical ventilation, allow for 1 lap vent every alternate rafter space at low level, on opposite sides of the roof.
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If further ventilation is required, install one lap vent into every rafter space at low level or into lap joints at higher level. To provide typical ventilation, allow for 1 lap vent every alternate rafter space at low level, on opposite sides of the roof.
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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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Manufacturer: Timloc. Condensation in the loft is usually caused by inadequate ventilation. When combined with existing roof space ventilation, fitting evenly spaced lap vents on both sides of the loft will fix most loft condensation problems.
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The vents feature multiple holes across their surface, significantly increasing the amount of air that can pass through. This design maximizes ventilation efficiency, allowing fresh air to circulate freely within the loft.
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The Manthorpe Felt Lap Vent not only enhances ventilation but also ensures a comfortable, condensation-free roof space. - Unmatched Airflow: Enjoy 3,000mm² of airflow per G630, ensuring optimal ventilation throughout your roof space.
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Felt Lap Roof Vents are a quick and easy solution for improving loft ventilation and preventing condensation. Designed for universal use, they fit seamlessly between joists spaced from 350mm to 600mm.
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