Cast Iron Drain and Vent replacement
Posted by Lars on March 12, 19100 at 11:07:55:
I am re-roofing my 45 year old 3200sq/ft ranch this spring and am planning on replacing my through the roof vents with AAV's. While the roof is off I am also considering replacing Cast Iron vent and drain lines with ABS/PVC. I have had some problems with rusted through drain lines and thought it an oppertune time to replace them. Should I leave Main (BIG JOB) or and just replace smaller drain lines???

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