The purpose-made solution for cavity fire stopping ROCKWOOL SP Firestop VRB is a product specifically designed to form open-state cavity fire stops within building facades. The following NBS Plus clauses include: SP Firestop VRB H92-490, P10 - 435

SP Firestop VRB As part of the comprehensive range of fire protection products, ROCKWOOL SP Firestop VRB is a product specifically designed to form open-state cavity fire stops within buildings, which allow for ventilation and drainage of the cavity under service conditions. The SP Firestop VRB has been tested with ROCKWOOL RAINSCREEN DUO-SLAB to ASFP TGD 19: “Fire resistance test for ‘Open State’ cavity barriers, used in the external fabric of buildings”. The combination of non combustible insulation and an effective fire barrier supports fire safe façade systems and aids the design of high...

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