NBS Source
List your products

This product is no longer available

Description

Heavy duty intumescent grille for walls and ducts; in the event of a fire the slats fuse together and give a complete seal in two minutes.

Features:

  • Gives three hours protection, preventing the passage of smoke and gases.
  • Tested in accordance with BS 476-20 and BS 476-22.
  • Temperature increase insulated for 22 minutes.
  • Steel framework protects surrounding intumescent materials by preventing the inward deformation.
  • May be used in high humidity.
  • Compatible with Rytons 9x3 AirLiner® cavity liners.

General information
Features

Gives three hours protection, preventing the passage of smoke and gases

Tested in accordance with BS 476-20 and BS 476-22

Temperature increase insulated for 22 minutes

Steel framework protects surrounding intumescent materials by preventing the inward deformation

May be used in high humidity

Compatible with Rytons 9x3 AirLiner® cavity liners

Prevents the passage of smoke and gases

Material

Steel framework protecting intumescent materials

Size

206 x 58 x 44 mm

Uniclass 2015
Pr_30_59_96_93 Ventilation gratingsPrimary
Specification data - Ventilation gratings
Product Reference

TL8FIRE

Standard

BS 476-20 and BS 476-22

Free area

5330 mm² (53.3 cm²)

Standard product features

Colour:

Steel grey.

Features:

Prevents the passage of smoke and gases.

Material:

Steel framework protecting intumescent materials.

Size:

206 x 58 x 44 mm.

Literature
Similar products from Rytons Building Products Ltd