HV1/HV2 Economy Vent Data Sheet (PDF, opens a new tab)
PDF · discovered on the published product page. File version and current applicability require confirmation.
Roof ventilation / Product information
Economy Tile Vent
The Economy Slate Vent provides a discreet, efficient and cost effective ventilation option for slate roofs.
- Durable, injection moulded polypropylene vent
- Matt grey finish
- Roof pitches over 20°
Published product information
Detail & guidance
Durable, injection moulded polypropylene vent
Matt grey finish
ideal for
Roof pitches over 20°
Full installation details are available on request from the Technical Department.
Economy Slate Vent Technical Data
| Slate Vent | Ventilation Area | Airflow Resistance | Roof Pitches | Water Resistance |
|---|---|---|---|---|
| HV1/HV2 | 7 200mm2 | 20 Pascals @ 30ltr/sec | Over 20° | Exceeds all relevant parts DoE Partners in Technology Programme |
* HP1/HP2 with attached spigot to connect to 110mm flexible house (provided)
Installation: Cowl or Roofline Vents for Slate Roof
Complete roofing to one course below the position for the slate vent.
Hold vent in position as centrally as possible between the rafters and mark where the vent spigot touches the underlay. For 500mm x 250mm slates only - cut and remove section of batten.
Cut underlay in a cross, fold up and back, nail over battens.
Cut slates for next course below vent.
Fit slate vent and nail to batten.
Cut slates for next course (not for 600mm x 300mm roofline vents).
Supporting resources
Documents for this range
Open
HP1/HP2 Vent Terminal Data Sheet (PDF, opens a new tab)
PDF · discovered on the published product page. File version and current applicability require confirmation.
Linked in the published catalogue
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Source & review information
Content imported from Ariel’s published product information, captured 27 October 2026. Final technical/content approval is pending; current stock, delivery and warranty assurances are not asserted. Source reference (opens a new tab) ↗