OSCB Contractors Guide

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Weatherproof and easy to identify, store and handle on-site, ROCKWOOL SP Firestop OSCB is the contractors’ choice for rainscreen fire stopping – and it’s now easier than ever to access detailed installation guidance through the ROCKWOOL OSCB Contractors’ Guide.

The OSCB Contractors’ Guide contains step-by-step instructions for installing OSCB 25 (cavity widths up to 600mm inclusive of a 25mm open air space) and OSCB 44 (cavity widths up to 425mm with a 44mm air space), advice on managing penetrations and interfacing with other details, and a handy installation checklist.

Download the guide

About ROCKWOOL SP Firestop OSCB

The ROCKWOOL SP Firestop OSCB range has been streamlined to two essential products to simplify specification and installation of rainscreen fire stopping solutions. The benefits of ROCKWOOL SP Firestop OSCB include:

  • Tested to ASFP TGD-19
  • Proven to provide up to 120 minutes fire integrity and insulation
  • Available for cavity widths up to 600mm (OSCB 25) and 425mm (OSCB 44)
  • Easily identifiable white (OSCB 25) and red (OSCB 44) weatherproof polythene wraps
  • Weather resistant
  • Easy to store, handle and install

 

To get started, download the ROCKWOOL OSCB Contractors’ Guide.

Download the guide

OSCB Installation Videos

To be updated
Video

How to Install ROCKWOOL OSCB 25

To be updated
Video

How to Install ROCKWOOL OSCB 44

Technical Resources

Ventilated Facade Resource Hub

To support you in specifying and installing ROCKWOOL ventilated facade products, access our suite of resources suitable for all building envelope professionals.

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