Wiping end of pipe fitting with purple primer. Plumbing Techniques:

Gluing PVC Pipe and Fittings

 
In This Article:

Purple primer is applied to PVC pipe fittings and pipe. When dry, PVC cement is applied and the pipe inserted into the fitting while rotating a quarter-turn.

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Skill Level: 2-3 (Basic to Intermediate) Time Taken: A Few Minutes

By , Editor

Start:

Joining PVC plastic pipe can be quick and simple when the proper procedures are followed. For best results the ends of the pipe should be cut reasonably straight. See Cutting PVC Pipe for more information.

Applying purple primer to hub of PVC pipe fitting. When I'm gluing PVC pipe together, the first thing I do is apply some purple primer to the hub of the pipe fittings.

 

Then I apply primer to the end of the pipe.

I let the primer dry for a minute before applying cement.

Priming the end of PVC pipe.

 

PVC cement being applied to hub of pipe fitting.\ When the primer is dry, I apply some clear PVC cement to the hub of the pipe fitting.

Then I apply glue to the end of the pipe.

(By applying glue to the hub first, I can set the fitting down and not need to worry about the glue touching the work surface.)

 

Then I push the pipe into the fitting WHILE turning the pipe about one-quarter turn.

BUT... I keep pushing the pipe into fitting. Often the pipe will "bounce" out of the fitting part way, so I keep the parts held together for a minute until the glue has a chance to harden.

PVC pipe being pushed into fitting and turned a quarter-turn.

 

Wiping excess PVC cement from pipe joint. While holding the pipe and fitting together, I wipe off the excess glue with a paper towel.

The glue joint seems to dry faster if the excess glue is wiped off.

 

Within a minute or two of applying the glue the joint is ready for use... unless the temperature is colder than 50 degrees F... in which case the glue dries much more slowly.

 

Warning - Cement and Plumbing Codes:

There are different types of plastic plumbing cement available, such as multi-purpose cement that can be used for PVC, CPVC, and ABS. Multi-purpose cement may not be code-approved for use on drain lines.

I discovered this the hard way many years ago when I built an addition to my house. The plumbing inspector made me replace ALL of my new drain plumbing because I used the multi-purpose cement instead of the clear PVC cement.

PVC pipe fittings often must use glue with the UPC symbol. The inspector told me that the can of cement needed to be labeled with the UPC symbol (that's Uniform Plumbing Code) for use anywhere except vent lines.

My solution is to avoid buying multi-purpose cement.

 

More Info:

Tools Used:

  • None

Materials Used:

  • PVC Primer/Cleaner
  • PVC Cement, UPC Approved
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Written July 31, 2007