The BOSS Thermal Defence System has been developed to prevent the passage of fire and smoke between fire rated compartments where service penetrations exist, such as cables, cable trays and pipe work.
The BOSS Thermal Defence System consists of 2 elements:
1. Thermal Defence Wrap (TDW) installed around the penetrating services,
2. And an aperture seal of either BOSS FireMortar & Bulkhead Batts or BOSS S-line FirePillows for the wall apertures.
The TDW is designed to allow movement within the services, maintain necessary insulation on services and prevent temperature rise of services throughout a fire. At normal temperatures, the TDW remains flexible to permit thermal and mechanical movement of the pipes and cables.
Thermal Defence Wrap is a sheathed woven intumescent technology of bio-soluble vitreous material, graphite and flexible organic binders. It will activate in a fire to expand
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