If your Hialeah home was built between the 1950s and the 1970s, there is a good chance some of its water supply pipe is galvanized steel. Galvanized pipe was the standard for decades. It is strong, but it has a weakness that shows up with age: it rusts from the inside. After 50 or more years, that rust is the cause of many of the plumbing problems older homes in Hialeah, Miami Springs and Opa-locka deal with today.
This guide explains how to tell if you have galvanized pipe, what problems it causes, and how to decide whether a section repair or a full repipe makes sense.
How to tell if you have galvanized pipe
Look at the pipe where it is easy to see: at the water heater, near the main shut-off valve, under sinks or in the attic. Galvanized pipe is a dull silver-gray steel with threaded joints. If you scratch it with a key, it stays gray. Copper looks orange-brown, and PEX is a flexible plastic tube, usually red, blue or white.
A small magnet helps too. It sticks firmly to galvanized steel but not to copper or plastic. Many homes have a mix, because sections were replaced over the years, so check in more than one spot.
Problems galvanized pipe causes
Low water pressure
As the inside of the pipe rusts, the rust builds up and narrows the opening. Over the years the pipe can lose much of its flow. Low pressure that is worse at the fixtures farthest from the meter is a classic sign.
Rusty or brown water
Flakes of rust break loose and come out of the faucet, especially after the water has been off or first thing in the morning. Brown water in the hot side only can also point to the water heater, so it helps to check both.
Pinhole leaks
Rust eats through the pipe wall from the inside, which leads to small leaks inside walls and ceilings. Threaded joints are the weakest points. One leak is often followed by another nearby, because the whole run of pipe has aged together.
Hard water makes it worse
Hialeah has hard water, and mineral scale adds to the buildup inside old pipe. That speeds up the loss of pressure and makes the pipe harder to clean or repair.
Section repair or full repipe?
Not every home with galvanized pipe needs a full repipe. The right answer depends on how much galvanized pipe is left and what condition it is in.
When a section repair makes sense
- Only one part of the house still has galvanized pipe
- The leak or pressure problem is limited to one area
- Earlier owners already replaced most of the system with copper or PEX
- The rest of the pipe looks sound when we open a wall or check the attic
When a full repipe is the better value
- Most of the supply pipe is still galvanized
- You have had several leaks in different places
- Low pressure and rusty water affect the whole house
- You are remodeling a kitchen or bathroom and walls are already open
We look at the pipe before we recommend anything, and we will tell you honestly if only one section needs work. Our repiping service covers a single section or the whole house.
Copper or PEX?
Both are good choices for a repipe. PEX is flexible, costs less, handles hard water well and needs fewer joints, which makes it faster to run through walls and attics. Copper is rigid, long-lasting and familiar to many homeowners. We explain the trade-offs for your home and budget.
What a repipe involves in a block home
Most Hialeah homes are concrete block with supply lines in the walls and attic. We plan the route to keep wall openings small, cover floors and furniture, and work in sections so you have water at the end of most days. New shut-off valves go in at each fixture. Every line is pressure tested before the walls are patched.
Leaks before you are ready to repipe
If a pinhole leak shows up before you are ready for a repipe, we can repair that section and give you a plan for the rest. Our leak detection and repair service finds hidden leaks and fixes them with a pressure test afterward.
Signs to call a plumber
- Water pressure has dropped over time at several fixtures
- Brown or rusty water from the cold side
- A leak inside a wall or ceiling
- Gray threaded pipe at the water heater or main valve
- Your home was built before the 1980s and has never been repiped
Not sure what kind of pipe you have? Call Hialeah FL Plumber, your plumber in Hialeah, FL, at (305) 555-0164. We check your pipe and give you the price before any work starts.