Skip to main content

The Fire Safety Event

8 - 10 APRIL 2025

NEC, Birmingham

Exhibitor Products

Fire extinguishers

22 Nov 2023

Framevent Hi-Flow Ventilators - Trickle Vent

Astro Flame Fireseals Stand: 5/D125

Manufactured in the highest quality U.V Stabilised PVCu, the Framevent Hi-Flow have been specifically designed to make it easy to achieve the requirements of Approved Document F 2021 whilst still maintaining the smooth, rounded aesthetic synonymous of the Framevent range. The Framevent Hi-Flow achieves 4,191mm2 EA on a length of only 415mm.

Fixing Instructions

  • Route out the Frame with the correct slot size & configuration for the model to be fitted
  • Place unit centrally over the slots.
  • Fix unit in place by using screws provided.
  • Screw hole centres are 20mm in from each end (40mm off the overall length).


  • Independently tested to BS EN 13141-1:2019.
  • Water tightness of 400pa.
  • Independently acoustically tested in accordance with BS EN 20140-10:2016, ISO 140-10:2010.


  • The Framevent can be cleaned using a damp cloth. The external hood should be brushed lightly to remove dust from the flyscreen area.
  • *Airflow rates quoted are for when fitted in accordance with manufacturer’s instructions. We recommend silicone sealing vents for best results*.

Product Information

  • Available in White, Brown, Black and Anthracite Grey measurement of Framevent Hi-Flow seen below:
  • 415mm Length x 28mm wide. Equivalent area as per BS 13141-1:2019 – 4191mm2.
  • Slot Size – 365x13mm.

For data sheets, test reports and more information please copy and paste this link into your browser:


  • Fire Prevention
  • Passive Fire Prevention
  • Smart Buildings
  • Testing and Approval Services
  • Training Provider
View all Exhibitor Products

The Safety & Security Event Series