Fire rated high walls (Non-load bearing) consist of Two layers of 12mm thick Hilux Calcium Silicate boards, screw fixed to 1mm thick G.I. cold rolled Boxed studs and channels to achieve 10000 mm height. 50mm thick x 64kg/m³ density,Rockwool is placed in the cavity to get Two hour fire resistance.
| System Thickness | 198 mm |
| Fire Resistance | Two Hours |
| Sound Insulation | 52 dB |
| Maximum Height | 10000 mm |
Frame work and board fixing is done as described in double layer partition chapter.
Hilux board joints of outer layer are filled and finished with specially formulated Jointing compound and 48mm wide self-adhesive fiber mesh tape to get seamless finish.
Rockwool 50 mm thick and 64 kg/m³ density is placed in the cavity after completing board fixing on one side of the partition.
| Hilux Board | 2440 x 1220 mm 8/10/12 mm Thick |
Two boards on each side of Studs |
| Hilux Floor / Ceiling Channel |
148 x 32 x 32 x 1.0 mm | Top and bottom perimeter of the partition |
| Boxed Stud | 146 x 50 x 48 x 1.0 mm | Vertically at 610 mm c/c |
| Bracing member | 45 x 15 x 15 x 0.9 mm | Fixed horizontally at 915 mm c/c |
| Hilux Screws (Phillips head) |
25 and 35 mm long, self-drilling with under head cutter |
12 mm from the edge and 40 mm from the corner of the board at 200 mm c/c |
| Insulation | Rock Wool - 50 mm x 64 kg/m³ |
Placed in the cavity |