18
6
Thermal Insulation
Raychem-IM-H57548-HWATsystem-EN 16/08
sealing compound such as Dow Corning Fire Stop,
3M Fire Barrier, or T&B Flame-Safe.
• Do not use staples to close the insulation. Use
tape or the adhesive-lined edge of the insulation to
ensure that the seam remains sealed. Staples can
damage the HWAT heating cable.
Figure 14: Sealing the insulation seam
• When installing splice, tee and end seal kits under-
neath the thermal insulation, mark the location of
splices, tees, and end seals on the outside of the
insulation, with labels provided in the kits, while
installing the insulation. Use large diameter insu-
lation or sheets to cover splices, tees, or service
loops.
Figure 15: Installing Connection kits above insulation.
• All power connection kits must be mounted above
the thermal insulation.