The Protecta® Service Transit has been designed to maintain the fire resistance of walls and floors when these are breached by continuous cables and plastic pipes. The Service Transit consists of a circular high temperature plastic tube containing a graphite based intumescent lining material which expands upon heating to seal spaces or voids around cables and pipes, thus preventing the passage of flames, smoke and gases.
After installation of the Service Transit, cables and pipes can be retrofitted without having to install a new fire seal. The Service Transit is available in three different lengths, 150mm, 250mm and 400mm and the selection of which to use depends on the thickness of the supporting construction and the required fire classification.
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