GIS Duo Cavity Socks are manufactured using Knauf ECOSE Rock Slab which has a fire classification of EUROCCASS A1 tested to BSEN13501-1 which is encapsulated in recycled plastic which will not add to the propagation of a fire. All GIS Cavity Duo Socks are tested in application to BSEN1366-4 as was BS476: Part 20 using current fire test methods. Tested for cavities up to 300mm wide both Vertical & Horizontal uses test report BMT/FE/IF/15078.
GIS Duo Cavity Socks meet the generic requirements for the prevention of flanking noise transmission, along external and separating wall cavities. Meeting approved document E (2014) of the building regulations, for England, Wales & Ireland . (based on width range for application 100mm/200mm/250mm/300mm or 450mm wide.
GIS Duo Cavity Socks have a thermal conductivity of 0.037W/mK and when fitted will provide an effective perimeter edge seal as stated in building regulations L1A and L2A as well as meeting section 6 of the Scottish building standards.
GIS Duo Cavity Socks when correctly fitted meet the requirements laid out in part E of robust detail.
For masonry in a separating wall/party wall, E-WM 1-21 is met.
For Timber Frame in a separating wall/party wall E-WT 1-4 is met and in a separating floor application E-FT 1-6 is met.
For concrete in separating floor applications E-FC 1-14 is met.