Over Fascia Vent 25mm x 1m Harcon FV25
£ 0.73(Inc VAT £0.88)
Corovent Heavy Duty Over Fascia VentS(25mm Air Gap x 1m) are discreet methods of eaves ventilation which is highly effective despite being virtually invisible.
Quantity Discount (inc vat)
1 - 99
£ 1.32
100 - 500
£ 0.88
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Over Fascia Vent 25mm x 1m

The Harcon Over Fascias Vents are discreet and highly effective despite being virtually invisable. They are suitable on buildings with or without soffit overhangs and with corbelled eaves. Made from lightweight yet very strong polypropylene, it features a 4mm grill stpping large insects or small rodents from getting into the roof void.

  • Minimum disruption to eaves detail
  • 25mm continuous ventilation into the roof void
  • Extreemly strong, resists the weight of tiles and crushing of foot traffic whilst being finished
  • Corrosion and rot resistant
  • Ideal for use on all slate or tile roofs
  • FV25 Over Fascia Data Sheet
Manufacturer: Harcon Corovent
Product Code: FV25

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We offer a free standard delivery service on all orders over £500.00*. Orders under £500.00* will be charged £15.00* carriage.
Our standard delivery area covers mainland England, Scotland (Excluding Highlands) and Wales. For all other areas around the UK an additional delivery charge will need to be applied, we will advise you of this charge before your order is dispatched. For deliveries to these areas we are happy to provide a free quotation upon request.


We will always do our best to deliver stocked items ordered via our website within 3-5 working days. This applies to  goods ordered before 12.00pm and in stock.
Some of our products, because of their size (5m and over) and weight (over 80 kilos), have an estimated 3 to 5 working day lead time but we will endeavour to get them to you as soon as possible.
All the Roof Vent Products are made to order and have an estimated 7-10 working day lead time. This can be reduced for sites wishing to call off quantities that have been given to us in advance (call for further information). Please note: All Roof Vents are made to order and non returnable.
The Mardome Hi-Lights Range of Dome Rooflights have a 48 hour delivery schedule. Orders must be received by 1pm to qualify for the 48 hour (2 working days) delivery. Only available to mainland GB (excluding postcode areas begining KW, IV, AB, and PH)
CORRAPOL-BT Bitumen Roofing Sheets 1-2 working days.
We regret that timed deliveries cannot be given. Deliveries will be made between 8.00am and 5.30pm Monday to Friday.


All deliveries should be signed for and we would politely request that you sign and clearly print your name so that in the unlikely event that there are any discrepancies we will have a person to contact. If a signature cannot be obtained we will try to leave the goods in a safe location, but we cannot be held responsible for shortages or damages where goods have not been signed for.


Large or palletised goods will be delivered to a hard standing area only. The Customer shall be solely responsible for the unloading of the Goods and the Seller shall not be liable for any damage that occurs in the course of such unloading.
Any shortages must be reported within 48 hours.

If goods aren't sent by our own vehicles they are sent by reputable carriers such as Tufnell's, Fed-Ex  and Parcel Force. Heavier goods may be delivered by larger vehicles and will be off loaded as close as possible to the property whilst remaining on a hard standing surface.


Please do not arrange any labour until your materials are on site as we are unable to compensate you for your time in the event of a late delivery.
If you have ANY questions about our products, or want to give us some feedback about your shopping experience with us, please feel free to contact us on 03302 230 267 or email: customerservices
*excluding VAT

Over Fascia Vent Installation Details

Lower the fascia board to allow for vent. Vent is fitted on top of fascia using locating lugs pushed against the front of fascia board. It is possible to nail anywhere along the top face and a moulded marking line is provided for guidance. Butt where necessary and cut to length at verges.

Corbelled eaves – the FV10 incorporates a fixing bead along the back of the vent.

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