OFV300 – Rytons Low Pitch Over Facia Ventilator (297mm L)

General Details

OFV300 – Rytons Low Pitch Over Facia Ventilator (297mm L)

  • Low pitch over facia ventilator.
  • Fixed to the top of the facia board or top course of brickwork to introduce air into the roof void.
  • For roof pitches less than 15°.
  • Front fins prevent roof felt blocking the ventilation slots.
  • Unseen when the roof is completed.
  • 4mm ventilation slots promote unrestricted air flow and prevent the entry of birds and large insects.

Size:

  • 297mm L x 59mm W x 45mm H (see image gallery above).
  • CAD drawing available by email.

Free Area:

  • 7,500mm² per length (25,252mm² per metre).
  • Equivalent to a continuous 25mm venting gap.

Colours:

  • White.

Composition:

  • Polypropylene.

Installation:

  • Fix to the top of the facia board, or top course of brickwork, through the pre-formed slots across the top of the ventilator.

Handling Information:

  • Box quantity: 30 lengths.
  • Box size: 35cm W x 26cm H x 23cm D.
  • Box weight: 1.2kg.

Reference Material:

  • British Standard BS 5250.
  • The Building Regulations, Approved Document C.
  • The Building (Scotland) Regulations, Mandatory Standard 3.15.
  • The Building Regulations (Northern Ireland), Technical Booklet C.
  • NHBC Standards, 7.2 Pitched Roofs.

NBS Specification:

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Rytons is proud to be a family run business and British manufacturer since 1972.

Quote Request

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Please note: As a manufacturer, we deal exclusively with trade professionals and are unable to take price enquiries from members of the public.
We aim to respond to quote requests within the next working day.
In case of query please call 01536 511874, thank you.

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