When I first started in the trades, I missed the lead-wiping joint requirement on my Journeyman’s test by just one year. Although lead-wiped joints had been out of use for many years, the skills ...

The behind-the-wall framework of a home contains a vital plumbing system that keeps it running efficiently and safely. Within every residential plumbing system you have subsystems that include ...

This article was updated March 7, 2023. It was originally published Dec. 9, 2004. Engineers have an impressive array of ways to join two pieces of metal including adhesives, nuts and bolts, and a long ...

Grooved mechanical piping has been changing the way contractors do business for more than 85 years, but this method of pipe joining is still unknown or misunderstood in some areas of the commercial ...

Grooved mechanical piping has been changing the way contractors do business for more than 85 years, but this method of pipe joining is still unknown or misunderstood in some areas of the commercial ...

There are several techniques for joining plastic parts. Equipment cost and labor for each method vary considerably. Most techniques have limits on the sizes and types of plastic that can be joined.