"Solution Product Name","Solution Product Description","Last review date","Last updated date","Minimum Cavity / Plenum (mm)","Maximum Cavity / Plenum (mm)","Finishing Requirements","Other Requirements","Perimeter Framing","Primary Framework Centres (mm)",Screw,"Sound Absorption Class","Sound Absorption Coefficient (αw)","Structural Background","Suspension Type Centres (mm)","Joint compound","Bracket fixing","Ceiling screws, Layer 1","Channel connector","Ceiling board, Layer 1","Suspension type","Primary framework","Perimeter channel/track" "C10A131 (EN)","GypCeiling Lining suspended ceiling fixed to concrete structure to give a 50mm plenum depth and lined with one layer of Rigitone 12/25 Q.",22.09.2021,02.02.2024,50,75,"To achieve the specified performances, the system should be finished using Rigitone jointing products. See the product range guides on the British Gypsum website for more information.","SpecSure® system performance warranty confirms that British Gypsum proprietary systems will perform as specified for the lifetime of the building. The SpecSure® warranty requires that all components are specified in full and constructed in accordance with British Gypsum’s installation guidance. For more details see the British Gypsum website. Always check with the design team before making any changes to the chosen specification, ensuring appropriate substantiation is sought to confirm that the solution still meets all required project performances.","Perimeter track suitably fixed to background at 600mm centres.",330,"Fix ceiling boards securely to all supports at maximum 230mm centres (reduced to 150mm at board ends). Do not fix into ceiling perimeter track. Fix working from the centre of each board. Position screws not less than 13mm from cut edges and 10mm from bound edges of boards. Set screw heads flush with plasterboard surface; do not break paper or gypsum core.",C,1,Concrete,1200,"Rigitone Vario 60 Jointing Material","British Gypsum Wafer Head Jack-Point Screws 13mm","Rigitone Screws 30mm","Gypframe GL3 Channel Connector","Rigitone 12/25 Q","Gypframe GL2 Bracket","Gypframe GL1 Lining Channel","Gypframe GL8 Track"