Telescopic Underfloor Vents

G961

The G961 Extension Sleeve has been designed for use with the Manthorpe Telescopic Underfloor Ventilator (G960).

  • Description & Key Features

    Product Description

    The G961 Extension Sleeve has been designed for use with the Manthorpe Telescopic Underfloor Ventilator (G960).

    Each extension sleeve allows the vent to reach a further two brick courses vertically. The sleeve can also be fitted to the base of the G960 to provide horizontal extension through larger cavities.

    Key Features

    • 6,600mm² airflow
    • Allows ventilation to an underfloor void
    • Additional depth and cavity span
    • Allows a 3-5 course stagger + 2 courses per unit
  • Technical

    Fitting Requirements

    Each sleeve slots between the upper and lower mouldings of the telescoping underfloor vents, enabling a further two course brick adjustment vertically. Alternatively the sleeve can also be clipped to the base outlet to provide horizontal extension through larger cavities or wider internal block work

    Certifications

    N/A

    Regulations & Standards

    BRE Digest 17

    BRE Digest 262

    Building Regulations C4

    NHBC Standards 5.2

    BS 5250:2011 Control of Condensation in Building

  • Specifications

    Size Information

    Adds 2 Courses per Unit

    Each unit extends the under floor ventilator a further 150mm vertically or 185mm horizontally.

    Material

    Polypropylene

    Colour

    Black

    Quantity Information

    20 per box

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