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.