RV Rafter Ventilators

Eaves ventilators Roofing ventilation

Glidevale RV Rafter Ventilators are designed for use with FV Fascia Ventilators and SV Soffit Ventilators to ensure a clear air path between the roof underlay and insulation at all types of eaves. Suitable for new build and refurbishment work.

Glidevale Protect has created two handy visual technical guides to help you choose the correct ventilation strategy for your projects:

Roof Covering ‘Impermeable’ – Download

Roof Covering ‘Permeable’ – Download

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Features & Benefits

Independent of SV and FV ventilators enabling use with any depth of soffit.
Suits all standard rafter spacings.
Options to provide ventilation openings of 10,000mm²/m or 25,000mm²/m.
Options for open foot rafters.
Cross strengthening ribs prevent underlay sagging.

Downloads

Range Brochure Technical Guidance

Frequently Asked Questions

What type of rafter ventilators are available to vent an open eaves?

This depends on what amount of ventilation you require. Our RV625F supplies 25,000mm²/m whereas our RV601F gives 10,000mm²/m. Our friendly technical advisors can advise the ideal product for your needs.

Are they easy to cut down if they are too wide for the rafters?

Yes, they are made from PVC and can easily be cut with a pair of scissors or Stanley knife.

Where can I purchase Glidevale rafter ventilators?

Either order from your local builders’ merchant or online on the BPD Store.

Why do I need a fly screen type?

With the ventilator being fitted to an open eaves the fly screen will prevent nesting insects entering the airspace within the loft.

How easy are the ventilators to fit?

The fitting of rafter ventilators is very simple. However, when retrofitting them, there is an element of roofing and brick pointing in order to refit the bottom rows of tiles or slates. For more information, see our handy guide below. Always refer to the supplied fixing instructions when fitting.

Will they fit my roof?

They are available in 400mm, 450mm and 600mm widths and can easily be cut where needed to suit differing rafter centres.

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