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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.


Uniclass

Pr_30_59_96_93 Ventilation gratingsPrimary

CAWS

F30/17 Ventilation ducts in external walling

F30/171 Ventilation ducts in external walling

P21/66 Door-mounted air transfer grilles

P21/895 Door-mounted air transfer grilles

U90/443 Dampers, fire and smoke

U90/443 Dampers, fire/ smoke

Product range

Rytons Intumescent RytBlocks

Specification data - Ventilation gratings

Material

Steel.

Guidance for specification option:

Steel framework protecting intumescent materials.

Colour

Steel grey.

Free area

5150 mm².

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