Designed for use in conjunction with ROCKWOOL RAINSCREEN DUO SLAB®*, SP Firestop OSCB is fully tested to ASFP TGD-19 and is proven to provide up to 120 minutes fire integrity and insulation. ROCKWOOL SP Firestop OSCB is now available for cavity widths up to 600mm, inclusive of a 25mm open air space (OSCB 25), or cavities up to 425mm with a 44mm air space (OSCB 44).
To learn more about SP Firestop OSCB, visit the ROCKWOOL Ventilated Façade Resource Hub.