ROCKWOOL PWCB is a cavity barrier suitable for masonry and timber frame constructions, designed for use at the junction between a party wall and the external cavity.

PWCB is manufactured from non-combustible stone wool insulation encapsulated within a white polythene sleeve, eliminating the need for weather protection during installation. 

Benefits

• Tested and assessed for up to 60 minutes fire resistance (integrity and insulation) in accordance with BS 476: Part 20
• Exceeds minimum Building Regulation requirements for fire resistance within concealed wall cavities.
• Acoustically absorbent stone wool core reduces acoustic flanking transmission