brush smoke seal PRODUCT DESCRIPTION: The spread of smoke and hot gases can also be a big problem, in fact smoke can be a major cause of death and injury along with being a significant contributor to the cost of the fire damage. It is therefore imperative that smoke and hot gases are contained in the event of a fire wherever possible. The containment of smoke can be achieved with fire seals which incorporate a brush smoke seal, which, along with preventing the spread of fire also help aid against the spread of smoke and hot gases.