Residential sewer pipes are generally made of either Acrylonitrile Butadiene Styrene (ABS) or PVC hard plastic. Both types of pipes are very durable and tough. Available in diameters ranging from 1 ½- to 4-inches, the pipe sections join together with couplings, primer and cement. Capping a sewer line requires installing an end cap, which looks like a straight coupling with one end sealed. If necessary, the cap can be sawn off in the future and new pipe added to the existing line.
Things You'll Need
- Marker pen
- Tape measure
- Workman's knife
- PVC primer
- PVC end cap
- PVC cement
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Mark the existing PVC sewer pipe at the point where the end cap needs to be installed. Cut through the mark on the pipe with a handsaw or hacksaw. Make a straight perpendicular cut through the pipe. Scrape away all plastic burrs with a workman's knife. Now cut into sections and remove the unwanted sections of sewer pipe.
Brush PVC primer around the outside end of the existing sewer pipe. Also prime the inside of a PVC end cap.
Brush PVC cement on the primed end of the pipe, as well as the primed inside of the end cap. Quickly push the end cap fully onto the end of the pipe and hold it in place for five seconds while the cement dries.