NBS Source
I'm a manufacturer
Compare variants

Application

For walls and ducts; in the event of a fire the slats fuse together and give a complete seal in two minutes.

Description

A range of heavy duty intumescent grilles.


Features and benefits:

  • Heavy-duty intumescent air transfer grille for doors, walls, ducts and floors.
  • In the event of a fire, the slats fuse and give a complete seal in 2 minutes.
  • Gives up to 2 hours resistance to fire.
  • EI rating of 2 hours when used with a cover grille.
  • Tested in accordance with BS 476 Parts 20 and 22:1987, BS EN 1634-1:2014, BS EN 1364-5:2017 and NEN 6069:2005+A1:2016.
  • Galvanised steel framework protects graphite intumescent core by preventing inward deformation.
  • Suitable for use in external walls and areas with high humidity.
  • May be used horizontally or vertically.

General information

Color

Grey

Material

Steel

Guidance for specification option:

Steel framework protecting intumescent materials.