Fire protection for ventilation, smoke extract and kitchen extract ducts. Like many other aspects of a building reducing thermal transmission is essential and this is not an acceptance for ductworks and service areas. Not only does the DuctRock Slab provide thermal insulation to ductworks it also protects the structure in the event of a fire. The DuctRock Slab provides up to 2 hours of fire protection to ductworks as well as fire resistance where they pass through walls and floors (in the correct system), this means the fire is less likely to spread through other parts of the building through the ducts.
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