2*15mm fireboards securely fastened by 6*40 drywall screws at 100mm spacings, secured to 35mm*17*0.45 Solid Ceilings steel brandering at 300mm centres using 2, 8*13 tek screws and Solid hanger brackets.
Solid brandering fastened directly to Solid stud at 600mm centres hung by 25*25*0.6mm wall angle.
Solid galvanised strip is to be applied to all joints on the first layer and Solid fibre tape plastered with a multipurpose plaster on second layer. 50mm*25mm*0.8mm securely fastened to perimeter.
120 minute fire rated drywall
60 minute fire rated drywall
Knauf Fire Wall