Reply To: URGENT! Cellular Core PVC vs. Standard PVC

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15 Oct 2002 at 2:07 am #293017
Avatar photomasterplumber_bpd
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    If the DWV system is being put under an AIR or WATER testing then i would go with the sch. 40 pressure rated instead of the foamcore. I have have had trouble with foamcore under the testing. If you do go with the foamcore, use a chop saw and make good cuts. be sure to prime and glue heavy.

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