Item Features
- Residential plumbing requires drain/waste/vent (DWV) pipe and fittings for interior and exterior sanitary drainage systems
- NAPCORE is a co-extruded cellular (foam) core pipe, consisting of inner and outer “skin” layers and a “foamed” core. Foaming agents, added to the PVC material, create the lower density, closed-cell core
- The cold temperature impact testing demands higher performance than standard PVC Cellular core DWV pipe manufactured to ASTM F891
- The cellular structure test confirms the water-tightness and closed-cell properties of the foamed inner core





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