Feltham, Middlesex, TW13 5DL. Call 020 8751 4294
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  • Our shop hours are Mon-Fri 8-16.45, Sat 9-12.30

  • All radiators include a fixing kit

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Trickle Vents

We stock Greenwood trickle vents in 3 different sizes. Trickle vents provide background ventilation in line with the requirements of the current Building Regulations ADF 2010 and are also used to meet Fensa regulations.

Showing all 3 results


  • Greenwood Trickle Vent White (1xInside 1xOutside Vent Hole Cover)
    The S Vent is a classically styled through-frame Slotvent that provides background ventilation in line with the requirements of the current Building Regulations ADF 2010 and is widely specified. Also used to meet Fensa regulations. Helps reduce condensation

    Key Facts
    All PVCu rigid construction
    Routing sizes are listed on the outer packaging of each Trickle Vent which eliminates mistakes
    One routing configuration – area performance (mm²)
    2x (10.0 x 222mm Holes) = 3200mm² (E+W), 4000mm² free area
    Face fixed to the inside & outside of a window frame or face fixed to Sash frame depending on profile height.
    Widely specified in social sector window replacement programmes
    Colour = White
    Only two screws per each side of vent
    Screws and cover caps provided
    Suitable for most installations

    Available in three lengths
    300mm Long = 2500mm² equivalent area Product = Code VENT001
    400mm Long = 3200mm² equivalent area Product = Code VENT002
    485mm Long = 4000mm² equivalent area Product = Code VENT003

  • Greenwood Trickle Vent White (1xInside 1xOutside Vent Hole Cover)
    The S Vent is a classically styled through-frame Slotvent that provides background ventilation in line with the requirements of the current Building Regulations ADF 2010 and is widely specified. Also used to meet Fensa regulations. Helps reduce condensation

    Key Stats;
    • All PVCu rigid construction
    • Routing sizes are listed on the outer packaging of each Trickle Vent which eliminates mistakes
    • Two routing configurations to vary area performance (mm²)
    • 2x 12.5 x 163mm = 2700mm² (E+W), 4000mm² free area
    • 2x 16.0 x 175mm = 3200mm² (E+W), 5400mm² free area
    • Face fixed to the inside & outside of a window frame or face fixed to Sash frame depending on profile height.
    • Widely specified in social sector window replacement programmes
    • Colour = White
    • Only two screws per each side of vent
    • Screws and cover caps provided
    • Suitable for most installations

    Available in three lengths
    300mm Long = 2500mm² equivalent area Product = Code VENT001
    400mm Long = 3200mm² equivalent area Product = Code VENT002
    485mm Long = 4000mm² equivalent area Product = Code VENT003

  • This Greenwood 3000S Trickle Vent is white with 1 inside and 1 outside vent hole cover, this one is 305mm long, we also stock it in 2 other lengths, view the Trickle Vents category to see them all.

    This Greenwood Trickle Vent is an S Vent and is a classically styled through-frame Slotvent that provides background ventilation in line with the requirements of the current Building Regulations ADF 2010 and is widely specified. Also used to meet Fensa regulations. It helps reduce condensation, comes with an integral flyscreen on outer vent, and comes with screws and cover caps provided. View full description below for more details.


Showing all 3 results