Is Graphite Polystyrene (GPS) An Open Or Closed Cell Insulation? (And Why It Matters!)

Is Graphite Polystyrene (GPS) An Open Or Closed Cell Insulation? (And Why It Matters!) Insulation can be referred to as either open or closed cell insulation.  Cell structures of closed-cell insulation are completely closed.  Whereas open-cell insulation is made up of cells that aren’t completely closed – cell walls are open or shared. Both insulation […]

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