Description :

GIS Cavity Duo Socks are manufactured with Knauf ECOSE Rock Slab, encased in recycled plastic.Knauf ECOSE has a EUROCLASS A1 fire rating, tested to BSEN13501-1.
We test our socks using thelatest BSEN1366-4 methods, for cavities up to 300mm wide, as per the BMT/FE/IF/15078 report,fitting them between substrates with equal or higher fire ratings than Duosocks to meet ApprovedDocument B requirements.

• Suitable for Masonry:Blockwork and Masonry:Timberframe
• Meets Robust Detail Part E & Approved Document B
• Provides up to 4-hours integrity
• 1200mm long
• Can be used for cavity widths from 65mm to 300mm
• Manufactured from KNAUF ECOSE mineral wool
• Prevents the spread of flames and smoke
• Reduces the passage of sound along the cavity