DIY Network

How to Weld PVC Piping

PVC joints are "welded" with chemical bonds rather than a torch. The chemical reaction fuses the pipes and fittings together, and if the process is done properly, the joint formed is as strong as the pipe itself.

More in Plumbing

  • Time

    30 Minutes

  • Price Range

    $1 - $50

  • Difficulty



Step 1: Apply Primer and Cement

Spread primer on the outside of the pipe and the inside of the fitting. The primer cleans away debris and begins to react with the plastic, softening the pipe.

Smear cement over the same areas of the pipe and fitting.

primer cleans debris and reacts with plastic pipe

Step 2: Connect the Pipe and the Fitting

Push the pipe ends firmly into the fitting and twist.

Hold the fitting and pipes stationary until the joint sets.

Run water through the drain system to make certain the joint doesn't leak.

push pipe ends firmly into fitting and twist