Fire Rated Partition

98 mm thick metal framed, non-load bearing partitions with two layers of Hilux Calcium Silicate boards on either side of G.I. frame and 50mm thick ceramic wool placed in the cavity can achieve Two Hours fire resistance.


System Thickness 98 mm
Fire Resistance Two Hours
Sound Insulation 48 dB
Maximum Height 4200 mm


Frame work and board fixing is done as described in double layer partition chapter.

Jointing and Finishing:

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 50mm thick and 64kg/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
(50 x 32 x 32) mm Top and bottom perimeter
of the partition
Hilux Stud (48 x 34 x 36) mm Vertically at 610 mm c/c
Hilux Bracing
member / Flat Strap
45 x 15 x 15 x 0.9 mm /
75 x 0.9 mm
At horizontal board joint
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