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Professional Building Supplies£20.10Visit shop Ubbink Over Fascia Vent - 25Mm Air Gap - Pack Of 5
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B&Q£31.50Visit shop B&Q - Over Fascia Vent 25mm Air Gap 1MIntegral Insect MeshPack Of 5
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The Ubbink Over Fascia Vent (25mm air gap) is designed for roofing contractors and DIY homeowners looking to ensure adequate roof ventilation while meeting building regulation requirements. By providing an airflow of 25,000mm² per metre, it effectively prevents condensation and mould growth in roof voids; however, it requires precise installation during the fascia board preparation phase to ensure a secure fit under the roofing felt.
| Model Part Number | 294121PK5 |
|---|---|
| Brand | Ubbink |
Yes, it is designed to be compatible with all common tile and slate roofing profiles.
This product provides a 25mm equivalent air gap.
This product is supplied as a pack of 5.
It is difficult to install on an existing roof without lifting the bottom row of tiles and the felt, as it must be nailed to the fascia board under the felt.
The mesh is designed to keep pests out while maintaining the required 25,000mm² of airflow per metre.
It is made from durable, high-quality plastic designed for exterior roofing applications.
Check that the roofing felt has not sagged or been installed too tightly over the vent opening.
Ensure the fascia board is level and use appropriate fixings that do not crack the vent material.
Inspect the integrated mesh for tears; if the mesh is damaged, the section must be replaced to restore the pest barrier.
Installation should occur during the fascia board mounting process. Position the vent along the top edge of the fascia board, ensuring the profile sits flush. Secure the vent using appropriate corrosion-resistant nails through the designated fixing points. Ensure the roofing felt or membrane is laid over the top of the vent flap to direct water into the gutter. No ongoing maintenance is required, but it is good practice to inspect the vents during periodic roof surveys to ensure the mesh remains free of debris or heavy dust accumulation.
