Do You Need PVC Primer? Essential Guide for DIY Plumbing
The short answer: Yes, you typically need PVC primer for most plumbing applications, and it’s mandatory under major building codes including the Uniform Plumbing Code (UPC) and International Plumbing Code (IPC). While joints can form without primer, the bond strength decreases significantly, and inspectors actively look for the telltale purple residue that proves proper preparation. … Read more