Due come the age of the dwellings North the Chicago, galvanized pipes space a typical problem. Listed below is our list of the most frequently asked inquiries we have actually received about galvanized pipes.

You are watching: When did they stop using galvanized pipes in homes


What are galvanized pipes?

Galvanized pipes are steel tube that have actually been dipped in a protective zinc coating to protect against corrosion and also rust. Galvanized piping was typically installed in dwellings built before 1960. When it to be invented, galvanized pipe to be an alternate to lead pipe because that water supply lines. Today, however, we have learned that decades of exposure come water will cause galvanized pipes come corrode and rust top top the inside.


*

What execute galvanized pipes look at like?

When first installed, galvanized pipes looks comparable to a nickel in color. Yet as it ages, galvanized pipe may appear much duller, lighter, or darker, depending on its environment. We’ve also seen dwellings where the water pipes have been painted, therefore it can be daunting to phone call at an initial glance.


*

*

How deserve to I phone call if I have galvanized pipes?

If you can’t tell by looking at her pipes, there is a rapid test come tell if they are galvanized. Merely grab a level head screwdriver and also a solid magnet. Begin by finding her water line and scratch the outside of the pipe through the screwdriver. Compare her results:


*

*

Lead The scratched area will have actually a dull silver-gray color, and also the steel will typically be soft and also easy come scratch. A magnet will certainly NOT stick come it. Command pipes are simple to bend and may it is in misshapen. If you have actually lead pipes, us recommend instead of if at all possible.


Be certain to scratch test your pipes in many areas. That is not uncommon to have an ext than one form of piping on her water line.

Do galvanized tube contain lead?

The galvanized pipes mounted on water lines in between 1880 and 1960 to be dipped in molten, naturally arising zinc. Naturally occurring zinc is impure, so this pipes to be bathed in zinc that also contained lead and other impurities. The zinc coating elongated the life the the stole pipes, but added little amount that lead and also other building material that can potentially injury inhabitants.

Additionally, if her galvanized pipes were ever associated to lead plumbing (including company lines) there is an ext cause for concern. The corrosion within galvanized steel pipes can have trapped little pieces the the lead. Also if the command piping was eliminated years ago, the galvanized steel pipes could still periodically release the trapped lead right into the water flow. Chicago didn’t stop using lead pipes for service lines till 1986, and also an estimated 400,000 lead organization lines space still in use in Chicago alone.

The only means to ensure that lead is no mobilized from pipes to tap in a given home is to totally replace the galvanized plumbing and also any lead business lines.

What other difficulties can galvanized pipe cause?

Low Water PressureDue to the border of the line, corrosion in galvanized pipe can cause lower water pressure throughout your home.

Uneven circulation of WaterIf few of your taps have low water pressure, yet others don’t, this can be a symptom that galvanized pipes. Corrosion can develop up unevenly. Also, part of the galvanized pipe line can have been changed in her home, however not everywhere.

Discoloration of WaterGalvanized pipes have the right to release iron and cause discoloration. A clear indicator the this is a brown stain top top a porcelain sink.

See more: What Is A Baby Lion Called ? A Baby Lion Is Called A Cub, Whelp Or

LeaksGiven enough time, galvanized pipes will rust through and cause an ext damage to her home.