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RW Simon Anthracite Grey Window Trickle Vent | Framevent

The Anthracite Grey RW Simon Framevent Ventilator is made from top-grade UV-resistant PVCu, the RW Simon Framevent is crafted especially for mass-market needs. With its durability, ease of installation, and thoroughly tested performance, it’s a favourite for both wooden and PVCu window frames. The Framevent 300 model offers a proven airflow performance, measured at 2328mm² in Equivalent Area, whilst the Framevent 400 – 400mm is measured at 3180mm² Equivalent Area.

These can be combined/joined with the Framevent Joint Clip

Supplied with Internal Window Vent and External Window Vent.


  • Supports compliance with Approved Document F 2021
  • Smooth, rounded design
  • Snap-on quick-fit end caps
  • Positive open and close action
  • Integral fly screen in the external hood
  • Can be fitted to give upward or downward airflow
  • Rod control available for full compliance with Approved Document K 2013
  • Sleeves and joiner pieces are available
SKU JBSAG Category


Delivery Information:
Tracked 48 (Despatched generally within 1-2 days)
– from £3.95*
Tracked 24 (Despatched generally within 1-2 days) – from £5.95*
* Prices vary depending on location and product sizes.

Click & Collect – from Middlesbrough, TS3 8AN.
Despatch Times & Restricted Items.

Orders dispatched generally within 24/48 hours (Mon-Fri Unless Stated Otherwise)


  • 300mm Framevent – Airflow performance: 2328mm² Equivalent Area – independently tested to BS EN 13141-1:2019
  • 400mm Framevent – Airflow performance: 3180mm² Equivalent Area – independently tested to BS EN 13141-1:2019
  • Water tightness of 400pa
  • Independently acoustically tested in accordance with BS EN 20140-10:1992, ISO 140-10:1991
  • Weather performance tested in accordance with BS EN 1026:2016 & BS EN 1027: 2016
  • Available in the following sizes:
    2328EA – 300mm (L) x 16.6mm (H) x 16.6mm (D)
    3180EA – 400mm (L) x 16.6mm (H) x 16.6mm (D)
Monday 7:30 AM to 5:00 PM
Tuesday 7:30 AM to 5:00 PM
Wednesday 7:30 AM to 5:00 PM
Thursday 7:30 AM to 5:00 PM
Friday 7:30 AM to 5:00 PM
Saturday 8:00 AM to 4:00 PM
Sundays Closed

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