Is PVC cellular core DWV pipe approved for use in Canada?
Yes. PVC cellular core DWV pipe is approved for low-rise residential construction in all Canadian provinces. Westlake Pipe & Fittings PVC DWV Cellular Core Pipe can be used in houses with one or two dwelling units and row houses up to three stories across all Canadian provinces. It's permitted for use in all low-rise combustible construction in Ontario.
