PL235 – Rytons Push & Lock® Ventilator (70mm Dia.)

General Details

PL235 – Rytons Push & Lock Ventilator (70mm Dia.)

  • Circular soffit ventilator.
  • Allows air into the roof void through the soffit area.
  • For roof pitches 15° or greater.
  • Unique grips suit any thickness of new or existing soffit boards in wood and plastic.
  • Slim design for an almost flush finish with the soffit board.
  • 4mm ventilation slots promote unrestricted air flow and prevent the entry of birds and large insects.
  • Design Reg. No. 1057133.


  • 70mm Internal Dia.  83mm External Dia.  See image gallery above.
  • CAD drawing available by email.

Free Area:

  • 2,358mm² per unit (10,252mm² per metre).
  • Equivalent to a continuous 10mm venting gap when fitted at 230mm centres.


  • Brown (PL235BR).
  • White (PL235WH).
  • Black (PL235BL).


  • Polypropylene.


  • Cut 70mm diameter holes in the soffit board at 230mm centres. Push fit the Push & Lock Ventilator into position.

Handling Information:

  • Box quantity: 100 number.
  • Box size: 27cm W x 28cm H x 18cm D.
  • Box weight: 1kg.

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: