Water Leak Detection & Repair in Norcross, GA

Water leak detection and repair sometimes ends with the discovery that no pipe is leaking at all. On humid days, cold water lines, toilet tanks and air conditioning equipment collect condensation, and the drips can stain ceilings and soak cabinet floors just as a leak would. Alpha Plumbing and Sewer separates the two in Norcross homes, because the cure for condensation is insulation or airflow, while a real leak needs a pipe repair.

Common sources of condensation

• Cold water pipes in a crawlspace, basement or unconditioned attic, where humid air meets pipe chilled by incoming water.
• Toilet tanks that sweat after each flush as cold water refills them, dripping onto the floor around the base.
• Air conditioning equipment: the indoor coil produces water on every cooling day, and a clogged condensate line or cracked pan can overflow onto a ceiling.
• Ductwork in an attic or crawlspace that sweats when its insulation is thin or damaged.

Clues that separate sweat from a leak

• Condensation follows the weather and the use of cold water or air conditioning; it is worse on muggy days and fades when the air is dry.
• It forms evenly along a pipe or across a tank rather than at a single fitting.
• The water meter stays still with all fixtures off, because no water is leaving the system.
• A surface wiped dry beads up again within minutes, all over, rather than at one point.
• A leak, by contrast, concentrates at a joint, valve or crack, continues in dry weather and shows on the meter.

Checking it yourself

Dry the suspect pipe or tank completely. Wrap one paper towel around the joint closest to the wet area and another around plain pipe a foot away. If both dampen at about the same rate, the moisture is coming out of the air. If the towel at the fitting soaks through first, or water appears with the air conditioning off and the weather dry, treat it as a leak. Then read the meter with everything off to confirm.

When it really is a leak

If the meter moves or the moisture concentrates at one spot, the investigation continues as a leak: isolating sections of the system, listening for pressurized water, and using thermal imaging and moisture readings to pinpoint the source before anything is opened. Our Georgia leak detection overview goes through those methods. The repair follows the finding, from a new fitting to a replaced length of pipe. A wet ceiling beneath an air handler that turns out to be an overflowing condensate pan is a matter for the heating and cooling contractor rather than a plumbing repair.

Fixing condensation problems

Foam insulation on cold lines in damp spaces stops most pipe sweating. For a sweating toilet tank, the options include an insulating tank liner or an anti-sweat valve that tempers the fill water slightly. Better ventilation or a dehumidifier in a crawlspace or basement lowers the humidity behind the problem. Where condensation has soaked drywall or subfloor for a long time, water restoration can dry and assess the damaged materials. If the investigation turns up a dripping valve or a worn toilet supply instead, the fix is a simple faucet and valve repair.

Permits and inspections in Norcross

If a leak, rather than condensation, leads to replacing or rerouting pipe, the city's Building Official is the office to ask; it reviews plans, issues building permits and inspects plumbing work in Norcross. The city's FAQ explains how to request an inspection.

Sweat or leak: questions from Norcross homeowners

Why is there water under my toilet only in summer?

In humid weather, cold water refilling the tank chills its outer surface below the dew point of the room air, so moisture condenses and runs down onto the floor. If the puddle appears mainly in warm, muggy months and the tank feels wet all over, sweating is the likely cause. Water that appears year-round, or only at the base after flushing, may come from a supply connection or the wax seal instead.

Can sweating pipes cause as much damage as a leak?

Over time, yes. A steady drip of condensation onto drywall, wood framing or a subfloor can stain, soften and rot those materials much as a slow leak would. The difference is that the fix is usually simpler: insulation, better airflow or lower humidity, rather than opening walls to repair pipe.

How do I know if my AC drain line is the problem?

Water from an air conditioning condensate line usually appears near the indoor unit, under an attic air handler or where the line exits the house. It shows up while the system is cooling and stops when it is off. The water meter will not move, because condensate does not come from the plumbing supply. A clogged line or full pan needs attention from the heating and cooling side.

Find out what is really dripping

If you cannot tell whether the dampness in your Norcross home is sweat or a leak, call Alpha Plumbing and Sewer at (404) 409-4448.