PH.22.24-2L.BS

  1. Two layers of PROMATECT®-H board at both sides of steel studs, all joints should be staggered at minimum 610mm in both directions
  2. Mineral wool infill to cavity between boards
  3. Galvanised steel studs (allow appropriate expansion at top horizontal track, no allowance at this track for loadbearing purposes)
  4. 25mm long self-tapping screws at nominal 300mm centres for first layer board, and 38mm self-tapping screws at nominal 300mm centres for second layer board. Joints do need not to coincide with studs, joints in second layer not coinciding with studs stitched to first layer using 25mm long laminating screws at nominal 300mm centres
  5. 60mm long M6 masonry anchors at nominal 500mm centres
  6. Caulk all perimeter gaps with PROMASEAL®-A Acrylic Sealant to achieve the required fire resistance and/or acoustic performance