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 ...

Couplings are most effective in attenuating noise and vibration. Deck penetration: the small size of grooved components makes them ideal for jobs where space is limited. Weight reductions by using ...

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 ...