For questions generally relating to the unwanted permeation of water or other liquid, indoor/outdoor air, or fuel gas through a barrier designed to contain it, including identification, repair, and prevention techniques, tools and materials.

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4
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1answer
1k views

Is my septic tank leaking?

I have a 1000 gal plastic septic tank about 25 ys old that drains into a seepage pit. When I am away for 3 weeks the water level drops about 6 inches below the output drain pipe. I fill it back up and ...
4
votes
1answer
6k views

Why won't my water heater stop filling?

I noticed tonight that my water heater appears to be trying to fill with cold water, but it won't stop. I can hear water flowing through the pipe, and the overflow drain pipe (white one just above the ...
4
votes
2answers
8k views

What should I do about a central air duct leaking above my ceiling?

My closet ceiling is leaking a brown liquid. Right above it is an air duct for my central air. I think the liquid is dirty or rusty water that has accumulated in the duct. I can hear it dripping ...
4
votes
2answers
2k views

How do I fix this leaking tub faucet?

I have an old tub/shower with 3 handles in it (hot/cold/shower on) that are all twist knobs. The hot or cold can not fully disengage because they are a bit older and have some sediment built up in ...
4
votes
1answer
672 views

What are the structural and health issues for a long-time slow-leaking toilet?

I recently discovered a very slow toilet leak (only when flushing), which has dampened the bathroom floor, and dripped onto the basement ceiling, where there is now a pretty mold spot. A restoration ...
4
votes
4answers
21k views

Is it safe to shut off cold water entering water heater?

I have a pretty bad situation at my place. I have a leaky shower faucet which has gone from drips to a steady stream. I calculated the flow at .3 gallons per minute. My very old home has no private ...
4
votes
4answers
8k views

What is the cause of dishwasher vent leak?

My dishwasher has a vent in the top of the door which I suppose is opened during the dry cycle to allow steam/moisture to escape. Recently, after running a load of dishes, when I open the door, about ...
4
votes
1answer
662 views

What could be causing this leak near my chimney?

I had a new roof put on in 2010 and had no problems... recently I've noticed that I'm getting water in my house. Its coming down along side where my chimney is and making large bubbles in my walls. We ...
4
votes
1answer
2k views

How can I disassemble this old bathroom faucet to fix a leak, without damaging the decorative chrome piece?

Update 4: Once I followed Michael's suggestion I was able to remove the cartridge. Closest match was a Moen 1224, 131222. Inlet and outlet were very different, and rotation of valve was much greater ...
4
votes
2answers
455 views

How much water is too much water underneath the basement concrete?

We are getting ready to install a new shower in our basement. When we had our house built about 8 yrs ago we asked to have a shower & toilet drains roughed in. I cut off the plastic cover for ...
4
votes
2answers
1k views

How should I seal a shower base that is leaking?

I have a shower stall with a cement-like slab base. The shower base is ancient and has developed some cracks. The top surface has some sort of sealant which has worn away, with the result that water ...
4
votes
3answers
6k views

Why would a sprinkler Air Valve leak after winterization?

I had someone come over my house and winterize the sprinklers. He explained to me what he did: He said he closed the main valve to the sprinkler system, hooked up a compressor and blew out all the ...
4
votes
1answer
2k views

How to remove turn-style tub overflow cover?

I've tried looking all over for a solution, but I've yet to find a solution that matches my situation. The cover I have (I think) is supposed to turn so the hole is downwards so you can remove the ...
3
votes
7answers
846 views

Leaking saddle valve

There is a joint of some sort leaking in one of our cold water lines running above the drop ceiling in the basement. Does anyone know what this joint is called, or why it might be leaking? It's ...
3
votes
4answers
17k views

Leaking outdoor faucet - stop gap solution?

My outdoor faucet is leaking in a constant dribble, regardless of how tight I turn the handle. The faucet looks very similar to this one. I'm going to replace the whole faucet in the next month or ...
3
votes
4answers
52k views

What is the best way to repair a cracked bathtub?

Close examination of the floor of my bathtub has revealed a long, thin crack in the bathtub itself. The bathtub is one of the common plastic-feeling variety (though I am not sure if it is actually a ...
3
votes
2answers
73 views

Why is my furnace leaking, and what is it leaking?

I have a Honeywell Beckett oil burner/furnace that is less than 8 years old. We've lived in our home for 6 years now, and it has been running like a champ the whole time (no problems whatsoever). Most ...
3
votes
5answers
6k views

How can I stop water from coming in through a crack near the top of my bulkhead wall?

I have a bulkhead entrance to my basement. The bulkhead walls are mostly fine, with the exception being near the top. The top 6 or 8 inches or so of the walls are constructed of what appear to be ...
3
votes
2answers
2k views

Should the plastic walls of a shower kit have air bubbles?

We had a corner shower installed awhile ago in our basement. The kit came with thin acrylic walls that were glued to the waterproof gyprock behind. However, there are air spaces between the lines of ...
3
votes
2answers
782 views

Bathroom air vent drip

I have a constant drip coming from the air vent in my downstairs bathroom. After one week it has filled a bucket full of water. There has been no snow or rain in my area. The air conditioning hasn't ...
3
votes
1answer
2k views

How to fix a leaking faucet aerator

I removed the aerator on my kitchen faucet and attached a hose for a time and cleaned the aerator. Now I cannot get the original one to screw back into the place without it leaking (well spraying ...
3
votes
1answer
541 views

Green and white stuff on copper pipes

This is at my mom's house, an hour away. The valve in the first photo has a slow drip and I will be replacing it. The other photo (a union?) is one of a few spots that look similar but are not ...
3
votes
2answers
594 views

How should a section of cast iron piping be replaced?

I just discovered a leaking section of cast iron pipe in my basement. There is moisture around the joints, but I guess there could be pinhole-sized spots or a crack on the bit I can't easily see. I'm ...
3
votes
3answers
6k views

What is this fixture on my external water faucet and how can I remove it?

I have this device on my outdoor water faucet. It is leaking water in all directions and by leaking, I mean pouring water everywhere. What is the purpose of this device and how can I remove it so I ...
3
votes
4answers
17k views

What is the method to seal a concrete roof?

We are staying in a home which has a concrete roof. Now we are facing leakage in the roof during rainy seasons. What do we have to do? How do we protect the roof from leaks?
3
votes
1answer
398 views

How can I fix a leak in the pipe coming out of my water heater?

There's a water leak in the tube coming out of my heater. Yet the bolts look tightly put. I'm not sure how to fix it. Any idea ?
3
votes
2answers
9k views

How can I temporarily fix a leaky faucet?

I have a house from the late '20's and my hot water leaks in my tub. I've had it fixed a few times by plumbers and the last one said that to permanently fix it, I'm going to need to replace the whole ...
3
votes
2answers
681 views

How can I identify the source of a leak at the hot water heater?

My water heater has a slow leak. From what I can tell so far it is coming from either the cold water inlet or the hot water connection. The cold water inlet seems to be the culprit to me because that ...
3
votes
2answers
3k views

How can I repair a drain that won't stop leaking?

I have a kitchen drain that won't stop leaking. I've checked, and it's definitely leaking from around the joins in the PVC pipe. I've replaced several of the o-rings (washers), as well as the P trap ...
3
votes
2answers
4k views

How do I fix a leaking skylight?

I have a skylight on a shingles roof. I don't know much about the skylight as it was installed by a previous owner, but every year, at the beginning of the rainy season, the skylight leaks. And every ...
3
votes
1answer
366 views

Faucet drip after water shut off

We had a plumber out to replace our outside hose bibs. After turning the water back on, one of our faucets in the house now has a drip. Its nowhere close to the area that the plumber worked on. Any ...
3
votes
2answers
3k views

Leaky windows: How to know where the leak is?

Our rented apartment has double pane windows in PVC frames. They are of good quality, I think. However, during the current weather (lots of rain and heavy winds), two windows let in some water. It ...
3
votes
3answers
3k views

How do I prevent water from leaking into my basement?

How do I prevent rain water from leaking directly into the basement? As you can see in the diagram below, rain water drains into small concrete cracks (near the bright red line shown below) and finds ...
3
votes
2answers
11k views

How do I seal my shower escutcheon plate to prevent it from leaking?

I have a leak that's going from my upstairs bathroom tub/shower to my downstairs bathroom ceiling. The leak occurs only when someone is using the shower or tub. I had someone open up the ceiling and ...
3
votes
1answer
4k views

How do I determine if my basement leak is a foundation problem

I have a basement leak that happens every other year on average, after either a very heavy rainfall, or melting of a lot of snow. It occurs on only one wall of the basement, and I've detected water ...
3
votes
1answer
7k views

How do I fix a sprinkler valve that leaks instead of popping up the sprinkler heads?

When this particular valve (Champion Classic 3/4" As Max PSI 150 466 Max Temp 110o) turns on, a lot of water starts coming out of the the bottom part of the valve which I've highlighted in the image. ...
3
votes
2answers
1k views

Locating a leak, water on top of kitchen cabinents, under two bathrooms and drain stack

I am trying to locate a leak that has reappeared. The leak appears on my kitchen countertops, it actually is leaking on top of one of my corner cabinets. Theres a bit of a gap between the cabinet and ...
3
votes
1answer
1k views

Shower head washer woes

I was installing a new shower head (Brand: Niagara Earth), and apparently overtightened it, cracking the washer in the process. Unfortunately, it seems to be a specialty type of washer that has an ...
3
votes
1answer
239 views

Have I got Rising Damp or a leak?

Can anybody advise me? Walking into the property you can feel the dampness in the air. The kitchen and bathroom run along the front of the house on the ground floor. There is a smell coming from the ...
3
votes
1answer
23k views

How can I find a leak in underground plumbing?

We moved into a home a couple years ago that was 1600 sq ft from a 3700 sq ft home. We were shocked that the power bill here was about 30% more than the big house but I suspected a water leak ...
3
votes
1answer
31k views

Why is water collecting in the base of my furnace?

I changed my filter the other day and noticed a pool of water in the bottom of the furnace, below the filter. The humidifier has been off so that's not the issue. I removed the furnace panels and see ...
3
votes
1answer
374 views

Could sound insulation around copper pipes cause condensation?

A leak in the bathroom, above the kitchen, started as a small water stain on the ceiling. I opened the ceiling and determined insulation (2 insulation pieces), that was placed to absorb the sewer pipe,...
3
votes
1answer
203 views

What could be leaking after installing a pet sprayer on a tub?

Installed a simple pet sprayer in the upstairs master bathtub. It has a long hose with a release valve/button on the very end of it. About 6 hours after installation (and without officially using it ...
3
votes
2answers
15k views

What should I do about water dripping into my smoke detector from the attic after a heavy rain?

I live in the Midwest of the United States, and we not-too-rarely get a large amount of rain coming down at one time both in the spring and sometimes in the fall. Last night was no different (aside ...
3
votes
1answer
1k views

What could cause condensation on a ceiling after painting with a roof sealer?

I am renting an apartment and the tenants recently complained about water droplets on the ceiling in one of the rooms. The apartment is on the first floor and surrounded by plants (we live in a ...
3
votes
1answer
31 views

Toilet tank running into bowl

So our pump kept going off randomly as well as our tank running out of water. I put a couple of drops of food colouring in this toilet tank and sure enough the toilet bowl filled with colored water. ...
3
votes
2answers
79 views

What pipe is this?

Hello and please bear with me. I'm no expert when it comes to plumbing but I will try to be as detailed as possible. I'm trying to understand what a pipe does in my basement. The pipe seems to be ...
3
votes
1answer
95 views

How can I fix a leaky A/C evaporator?

We just moved into our new place. So many new things need to learn. Just like the problematic AC. My apologizes if I do not know the correct terminology for some of the parts. I will try my best ...
3
votes
2answers
908 views

What should I do to make good on some lightly water damaged plaster?

When we moved in to our house (an early 1970s build in the UK) we noticed some damage to the plaster above a window; the surface was uneven and some was loose. It appeared dry so the surveyors and ...
3
votes
3answers
1k views

Plywood floor gets inexplicably wet, what could possibly be the cause? [closed]

House is on piers with insulation underneath. We had a plumber come look at it and he says he sees no pipes there, has no idea, cannot help. Every day there is about a 4 ftx4ft area of light water, ...