AIM OSCB Range (Open State Cavity Barriers)

OSCB Rainscreen for web

Extended cavity fire barrier performance within rainscreen façades

AIM's OSCBs are polythene sleeved ROCKWOOL® stone wool and intumescent material designed for use within open state cavities (e.g. Rainscreen systems), allowing ventilation and drainage of the cavity under service conditions while providing up to 120 minutes insulation and integrity performance.

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Specification

Open State Cavity Barriers offer an effective fire barrier for open state voids up to 425mm in width. Having been tested to the Association for Specialist Fire Protection (ASFP) Technical Guidance Document 19 (TGD 19) & the general principles of BS EN 1363-1, OSCBs offer an extended fire rating of up to 120 minutes insulation and integrity performance in open continuous ventilated air spaces of 25mm & 44mm.


Product
Sleeve
Colour
Integrity/
Insulation
Air Space
(mm)
Max Cavity
(mm)
AIM OSCB 60/25 White 60/60 25 425
AIM OSCB 120/25 Red 120/120 25 425
AIM OSCB 60/44 Blue 60/60 44 425
AIM OSCB 120/44 Black 120/120 44 300
  • Provides a 25mm or 44mm airspace
  • Tested in accordance with ASFP Technical Guidance Document 19 (TGD 19) & to the general principles of BS EN 1363-1
  • Provides up to 120 minutes integrity and insulation performance
  • Quick and cost effective installation
  • Galvanised steel fixing bracket supplied as standard
  • Stainless steel metal brackets and spring steel screws available as a tested option
  • Flexible specification: Choice of four OSCBs deliver insulation and integrity
    performance up to 120 minutes.
  • Easy to install: Simple fixing procedure incorporates spring steel screws and
    steel hanging brackets. No specialist tools required.

Installation

AIM OSCB 60-25 - TDS issue 1 11 2018

AIM OSCB 60-44 - TDS issue 1 11 2018

AIM OSCB 120-25 - TDS issue 1 11 2018

AIM OSCB 120-44 - TDS issue 1 11 2018

 

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