Nelson Composite Sheet (CPS™) is a rigid,
elastomeric, fire resistant panel used to seal
penetrations and maintain the rating of fire rated floors
or walls. It consists of a rigid panel, primarily composed
of a 5/16” thick elastomeric sheet, bonded to a 28
gauge galvanized steel sheet on one side. The
composite sheet is reinforced with hexagonal shaped
steel wire mesh and bonded with .003" aluminum foil on
the back side.
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