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Open State Cavity Barrier 120/25 (OSCB 120/25)

Verified by manufacturer 3 months ago

AIM

Extended cavity fire barrier performance within rainscreen facades.

+44 (0)1293 582400 Website

Application

For use within open state cavities (e.g. rainscreen systems), allowing ventilation and drainage of the cavity under service conditions.

Description

Polythene sleeved, ROCKWOOL® stone wool fire barrier faced with high performance intumescent material designed for use within open state cavities (e.g. rainscreen systems), allowing ventilation and drainage of the cavity under service conditions. Open state cavity barriers provide an effective fire barrier for ventilated voids up to 425 mm in depth. OSCB 120/25 delivers a fire rating of up to 120 minutes insulation and integrity with an air space of 25 mm.


The AIM OSCB 120/ 25 range has been tested to provide solutions that accommodate cladding rails interrupting the line of the barrier.


Features and benefits:

  • Suitable for 25 mm air space.
  • Quick and cost-effective installation.
  • Galvanized steel fixing brackets and course wound screws are supplied as standard.
  • Tested in accordance with ASFP Technical Guidance Document 19 (TGD 19) and BS EN 1363-1.
  • Colour coded for ease of identification.

General information

Color

Red

Material

Polythene

Stonewool

Shape

Rectangle

Length

1000 mm

Width

Bespoke

Guidance for specification option:

Can be used in cavities up to 600 mm where the barrier is supported by Rockwool Duoslab insulation or equivalent but is outside of the scope of IFC Certificate IFCC 1901.

Manufacturer guidance

Manufactured to suit cavity voids of 50–425 mm.

Height

90 mm

Literature

AIM Open State Cavity Barrier Technical Guide 2024

AIM Open State Cavity Barrier Technical Guide 2024

AIM OSCB 25 Installation Guide Issue 1 06 2024

AIM OSCB 25 Installation Guide Issue 1 06 2024