NBS Source
List your products
OSCB 120/25 (Open State Cavity Barrier)
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.

Features and benefits:

  • Suitable for 25 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 (TDG 19) and BS EN 1363-1.

General information

Uniclass 2015

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

Specification data - Intumescent sleeved mineral wool cavity fire barriers

Product Reference

OSCB 120/25 (Open State Cavity Barrier)

Fixing

Galvanized steel fixing clips

Standard.

Galvanized course wound screws

Standard.

Stainless steel fixing clips

Stainless steel course wound screws

Accessories

None

AIM Polythene sleeved wall cavity barrier

For vertical compartmentalisation.

Standard product features

Colour:

Red.

Length:

1000 mm.

Width:

Total cavity size less 25 mm.

Thickness:

90 mm.

Similar products from AIM