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Open State Cavity Barrier 120/44 (OSCB 120/44)

Verified by manufacturer 4 months ago

AIM

Extended cavity fire barrier performance within rainscreen facades.

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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 120/44 delivers a fire rating of up to 120 minutes insulation and integrity with an air space of 44 mm.


The AIM OSCB 120/44 range has been tested to provide solutions that accommodate cladding rails interrupting the line of the barrier.


Features and benefits:

  • Suitable for 44 mm air space.
  • Quick and cost-effective installation.
  • Galvanized steel fixing brackets 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

Black

Material

Polythene

Stonewool

Shape

Rectangle

Length

1000 mm

Width

Bespoke

Manufacturer guidance

Manufactured to suit cavity voids of 50–425 mm.

Height

90 mm

Uniclass

Pr_25_80_80_44 Intumescent sleeved mineral wool cavity fire barriersPrimary

CAWS

P12/360 Mineral wool rigid batts

P12/40 Mineral wool rigid batts

Product range

Fire Barriers

Specification data - Intumescent sleeved mineral wool cavity fire barriers

Standard

Tested and certified in accordance with ASFP Technical Guidance Document TGD19 and to BS EN 1363-1.

Third-party certification

IFCC 1901.

Fire performance

120/120 integrity/ insulation.

Material

Polythene sleeved ROCKWOOL® stone wool with intumescent strip.

Thickness

90 mm.

Cavity width

Guidance for specification option:

Total cavity size less than 44 mm according to barrier required.

Air gap

44 mm.

Attachment

Galvanized steel fixing clips.

Guidance for specification option:

Standard.

Stainless steel fixing clips.

Manufacturer guidance

Galvanized clips as standard; stainless steel option available.

Length

1000 mm.

Colour

Black.

Accessories

None.

AIM polythene sleeved wall cavity barrier.

Sustainability data

Material

Polythene

Stonewool

Recyclability

-

Manufacturer guidance

Rockwool Stone Wool products may be recycled at the end of their life by Rockwool Ltd (dependent on contamination, quantity etc).

Literature

AIM Open State Cavity Barrier Technical Guide 2024

AIM Open State Cavity Barrier Technical Guide 2024

AIM OSCB 44 Installation Guide issue 1 06 2024

AIM OSCB 44 Installation Guide issue 1 06 2024