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Connecting PVC Plumbing Pipes Properly

When PVC pipes are connected for plumbing, the topmost layer of the two pieces of PVC are melted and forced together, causing their mixing together as they solidify again. This allows for the creation of a solid, watertight, and airtight seam. It also means that this is an unforgiving process, and the only way to correct any mistakes is to cut them out and start over. Hence, while doing this process, it is important to carefully measure and assemble every part first prior to gluing them permanently.

Note: You can let a plumber do this task for you if you are not comfortable doing this task.

1. Measure and cut the PVC pipe with the use of a chop saw or hacksaw. When you make measurements, consider the distance that the PVC is inserted into the joint.

2. Have the ends of the PVC cleaned using a utility knife. Scrape all chads of plastic that are hanging on to the cut portion of the pipe. Use sandpaper (100 grit) on the end section of the pipe and the interior of the fitting to slightly roughen the plastic in sections where a connection needs to be established.

3. Assemble the pipe and the fittings and recheck all measurements you made. Ensure that each thing fits and looks how you wish it to look. Have everything disassembled.

4. Get a PVC primer can and open it. You should find an applicator at the can lid interior. Take it and use it to apply primer to the end of the pipe and the interior of the joint where both pipe pieces connect. Let it dry for a minute.

5. Get a PVC glue can and open it. Like the above, you will find an applicator attached to the can lid interior. Liberally rub the glue on the pipe end as well as inside the joint on the same parts you rubbed primer on. But before letting the glue dry, push both the joint and pipe together until they are seated properly, and then slightly turn the pipe so the glue spreads evenly. This also helps in its drying. Let the joint dry for half an hour to an hour, or per the directions of the manufacturer.

The glue melts the outermost plastic layer on both joint and pipe, so put on protective equipment when doing the task. Also, remember to keep your eyes on the task while doing it, as any mistakes are impossible to correct unless you cut the mistake out and redo the process.