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    The VisqueenPro Gas Vent Box is a high performance ground level vent box which when installed as part of a Visqueen gas venting system will safely disperse harmful gases to the atmosphere and reduce the risk of rainwater entering the void.
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    VisqueenPro Gas Vent Box comprises a galvanised steel base with a 110mm pipe inlet and adjustable feet for leveling purposes and to secure the box within the concrete surround.
    The galvanised steel grating lid is 530mm x 123mm and is secured with locking bolts. The lid is ‘heel’ safe approved.
    Each vent box provides a free air flow capacity of 20148mm².
    The vent box can also be used to ventilate air spaces e.g. the open void below suspended precast concrete floor structures.
    The vent box is typically used in applications where the gas dispersal system cannot be taken out through a perimeter masonry wall e.g. curtain walling and glazing systems. The vent box is normally positioned close to the building perimeter wall but is suitable for load class B125 to BS EN 1433:2002 which includes pedestrian precincts, light vehicles and private car parks.

    Versatile - suitable for all ground gas venting applications including volatile organic compounds (VOCs)
    Tested to BS EN 1433:2002 - suitable for loads up to 12.5 tonnes
    Heel safe lids - suitable for use in pedestrian areas
    Lid locking mechanism - provides security and allows for maintenance
    System allows for water management - reduces risk of rainwater entering the void




    Products specifications
    Shelf Life VisqueenPro Gas Vent Box should be stored under cover in the original packaging. Care should be taken when handling the product in line with current manual handling regulations.
    Length 530 mm
    Width 123 mm
    Height 112mm (without legs)