B181-09.pdf -
Critical for ensuring that a pipe from one manufacturer fits perfectly into a fitting from another. Why Professionals Care
Whether you are a DIYer or a seasoned pro, always look for the standard markings on your PVC or ABS materials. If they meet the B181-09 (or newer) criteria, you can rest easy knowing your drainage system is built to a national benchmark of safety and quality. Pipes and Pipe Fittings - CSA Group B181-09.PDF
The pipe must be able to survive the rough-and-tumble environment of a construction site without cracking. Critical for ensuring that a pipe from one
Systems built to this standard aren't just "good enough"; they are engineered to meet specific performance benchmarks: B181-09.PDF