joe in queens
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I'll be having a complete roof tear off and replacement done shortly, and was wondering what to do about the two aging galvanized vent stacks. The roofing contractor suggested now would seem to be a good time for replacement.
I've been gradually ripping out much of the 55 year old galvanized DWV and replacing it with copper DWV... expensive I know, but I refuse to use cheesy PVC or ABS which wreaks amateur in my opinion. Since I'm not ready to replace the entire vent stack yet - that'll be replaced when the kitchen and master bath is eventually redone - I'd like to just replace the section that extends through the roof. I plan on cutting the old galvanized vent below the roof, and joining the new vent with no hub couplings.
The question is, what kind and size copper should be used through the roof? It seems DWV yellow wouldn't be sufficient. Would type L be acceptable, or would K be needed? This is NYC. Perhaps CI would be needed.
Any advice would be greatly appreciated!
Thanks!
I've been gradually ripping out much of the 55 year old galvanized DWV and replacing it with copper DWV... expensive I know, but I refuse to use cheesy PVC or ABS which wreaks amateur in my opinion. Since I'm not ready to replace the entire vent stack yet - that'll be replaced when the kitchen and master bath is eventually redone - I'd like to just replace the section that extends through the roof. I plan on cutting the old galvanized vent below the roof, and joining the new vent with no hub couplings.
The question is, what kind and size copper should be used through the roof? It seems DWV yellow wouldn't be sufficient. Would type L be acceptable, or would K be needed? This is NYC. Perhaps CI would be needed.
Any advice would be greatly appreciated!
Thanks!