Roof Ventilation

G700

Circular Soffit Vents can be slotted into the soffit board prior to installation for new build situations or just as easily retro-fitted into existing soffits.

  • Description & Key Features

    Product Description

    Manthorpe’s Circular Soffit Vent can be slotted into the soffit board prior to installation for new build situations or just as easily retro-fitted into existing soffits.

    Standard fixing for this product is a simple push twist action into a 70mm hole drilled in the soffit board.

    The vent features evenly spaced slots small enough to prohibit large insects gaining access but wide enough not to be blocked by debris, paint or water droplets.

    Key Features

    • 2150mm² per G700
    • Can be used to achieve 10,000mm²/m or 25,000mm²/m of free airflow
    • Push fit into 70mm diameter hole in soffit board
    • Prohibits entry of large insects into the eaves
  • Technical

    Fitting Requirements

    The G700 Circular Soffit Ventilator should be a “push” fit into a 70mm (2.75”) diameter hole drilled into the soffit board.

    To achieve 10,000mm²/M of free airflow the G700 should be fitted at 200mm centres.

    To achieve 25,000mm²/M of free airflow the G700 should be fitted at 86mm staggered centres.

    Certifications

    N/A

    Regulations & Standards

    BRE Digest 262

    BRE Digest 270

    BS 5250:2011 Control of Condensation in Building

    Building Regulations F2

    NHBC Standards 7.2: Pitched Roofs

  • Specifications

    Size Information

    80mm diameter

    Material

    Polypropylene

    Colour

    White
    Brown
    Black
    Golden

    Quantity Information

    50 per box

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