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what happens if honeycomb insulation gets wet/water
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Is there honeycomb core around the perimeter of doors that have either polystyrene or polyurethane insulation?
Resolution:
Polystyrene Cores: The L-series door with polystyrene core insulation and the CE-series door have full slab polystyrene core.Polyurethane Cores: The L-series door with polyurethane core has honeyco...: