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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1answer
565 views

What type of mortar would I use to seal cracks in our chimney?

We've got a brick chimney that's ~25 years old and it's got a quite a few cracks in the mortar (some hairline, some as thick is a quarter). What's the best way to seal all those cracks? I assume ...
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1answer
94 views

Home-made joint for a top window

I have some sort of artisanal, metal, top oriented, window that essentially serves as a light well (but the room is almost completey dark, the main door is covered by a curtain because my girl friend ...
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1answer
10 views

How to fix a minor leak in situ

I have an Intex swimming pool and there is a minor leak at the outlet/strainer grid as petroleum jelly was not applied during installation. The obvious solution is to drain, rectify and re-fill, but ...
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1answer
25 views

What could cause my water tank to leak only when I turn off the main water supply?

I travel quite a bit and so leave my water heater breaker off - as I travel for extended periods (months). In the past I used to leave the main water valve (near the meter) on - and would turn off ...
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1answer
38 views

What should I do about cracks in the cement pan for a roll-in shower?

We are installing a roll-in shower. We poured the floor and after 2 days it has several cracks in it. I am not sure if they are all the way through. Is there any way to fix this or do we have to ...
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1answer
65 views

What is this part of the heating system, and how can I stop it from leaking?

I bought a quite old house, and I found on the attic a thing that's part of the central heating, and it's leaking water. Not a lot, but enough to soak through to the floor below. Pictures: . I ...
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2answers
200 views

How do I seal a leak from my overhead tank filled with water without draining the tank?

I need help! How do I seal a leak from my overhead tank filled with water with out throwing away or draining the tank? My tank is made from steel.
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1answer
216 views

Roof Flashing to Brick Wall: Leaks

I have an addition that is attatched to a brick exterior wall, and it appears that the copper counterflashing has come loose from the roof, and is now causing a leak inside the addition. Is it ...
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1answer
52 views

What does it mean to “re-tank” toilet?

My contractor included "re-tank" toilet in work that he said he had completed in a list of works to be carried out, but we are still having leaking. What does re-tank mean and how do I know that its ...
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1answer
319 views

Can you remove a tin roof and install insulation and re-attach the tin roof?

Hello from Hobart Tasmania. I have purchased 1930's weatherboard cottage with a tin roof. The roof is insulated in the main part of the house (i.e., in the attic) but the additions on the house are ...
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2answers
333 views

Where could water be coming from inside the joint between bathtub and wall tiles?

I wanted to re-do the silicone seal around my bathtub recently, but after removing the old silicone on the side with the shower head, I noticed that the gap between the tub and the wall tiles was a ...
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1answer
265 views

Repair water leak around gas line in foundation

I've noticed during heavy rains that I get water leaking through the wall of my foundation, about 2 feet below grade, where an old capped off gas line enters the basement. Looking around online I've ...
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1answer
77 views

How do we prevent air in the water lines from our well?

We receive our water from a spring fed well. There is approximately 125 feet of pipe from house to spring house. We have obvious air in our line. We have replaced 2 check valves and foot valve as well ...
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1answer
826 views

How do I diagnose and fix an electric water heater leak?

I have an Electric Water Heater, seemingly leaking from the top of the tank. The "wells" on top are filling up with water. There are no noticeable leaks from the pipes above. Each water attachment ...
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2answers
4k views

How can I repair a slow leak in my concrete fountain?

I have a painted concrete fountain whose bottom well slowly leaks over about 2 days. My area gets to ~-20c (-9ish F) in the winter, so I worry that trapped water is slowly destroying it. I suspect ...
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2answers
4k views

How can I tell if stains are caused by a ceiling that is drying out, or if there is still a leak?

Historically we've had a leak from our shower in our bathroom which has leaked into the neighbour below's bathroom and kitchen (this has gone though the bathroom wall to the kitchen which is ...
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2answers
4k views

How can I fix this persistently leaky shower faucet?

Several weeks ago water began slowly dripping from the shower head in our master bath. Also, the underside of the hot water faucet is wet long after the water has been turned off and the shower has ...
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2answers
311 views

How can I find the source of a leak?

We have a lead lined, concave roof on a bay window. The roof itself has a small drain. Inside the house, below the bay window we have a small leak that occasionaly appears when it rains. I have ...
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0answers
10 views

Why is the gas water heater pressure valve leaking after installing recirc pump & old radiator?

Kind of a complex situation. Using gas cold water heater as a boiler for an old cast iron radiator. In addition we added a recirc pump. Everything was working fine but then we had leaking from water ...
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0answers
66 views

I've noticed the water from the sink won't heat up, while the water in both bathrooms heats fine.

I've been renting this home for more than a year and there have been a lot of plumbing issues - mostly leaks, but the water in the kitchen has always heated fine. There is a leak under the sink as ...
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1answer
163 views

How can I tell where water is leaking from?

I live in Wyoming and for the past few days we had below zero temperatures and tons of snow. Many people reported pipes breaking but we seemed to be fine. Today it also warmed up a bunch to around the ...
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0answers
77 views

Leaking conservatory roof

When the wind comes from a certain direction my conservatory roof leaks. . Is there some substance I could use (similar to putty?) to stop the leak?
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0answers
169 views

How can I repair my leaky toilet?

Apparently my original toilet valves were cheap because they both had problems and I replaced both with fluidmaster valves some years ago. Two problems were apparent immediately which I solved: ...
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0answers
103 views

How do I seal a downspout leak in my shed?

I have a storage shed behind my carport. A downspout from the roof of the carport runs through the shed, as seen in the picture. The downspout drains ok (there was blockage in the past) but it leaks ...
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0answers
69 views

Is there a way to install a tub such that it can dry out if water gets behind it?

When you install a tub, you try to build the surround such that water can't get through to the wall. That's great. Nothing is perfect, and eventually small amounts of water will seep through. Then ...
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3answers
293 views

What can be done about water running under my house?

When the builder excavated for my home, the hole filled in with a half foot of water. (They said I have a "perched water table".) To "Fix" this the builder put rocks under my house and put in piping ...
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2answers
69 views

Could I simply seal over this toilet leak?

The leak is on the top-most (whitest) nut, where it meets the base of the tank as shown in the below photo (with an additional photo for context). Would I be able to just throw a ring of silicone ...
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2answers
8k views

What could be causing a leaky p trap under my bathroom sink?

Recently, the bottom of our bathroom sink has started to leak just slightly. Little drips come out of the nuts. The leaking part seems to be more toward the end where the pipe meets the wall and the ...
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2answers
76 views

Temporarily have no gutters, what do I need to worry about?

My gutter contractor has been interrupted by the rain. I will be without gutters for a few days and there is a total of 1.5" of rain predicted over those few days. I am monitoring my basement for ...
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1answer
81 views

How can I repair a loose T joint connecting pipes under my kitchen sink?

I found a puddle under my kitchen sink and was disappointed to find that the T joint connecting the drain from the garbage disposal and and the second sink was completely loose. As shown in the ...
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2answers
208 views

How to connect flexible tube to copper pipe

Underneath the kitchen sink, the faucet assembly has a copper tube that used to connect to a flexible pipe. The two have become separated as shown below: I have tried pushing the connector back onto ...
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2answers
128 views

How did my water meter become loose?

This past summer, my vacant home was vandalized. Thieves stole the copper plumbing. Once the re-plumbing was done, the city came to install the water meter. The meter is female-threaded on either ...
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1answer
555 views

What is causing a wet patch on an internal wall?

We recently bought and moved in to a house. It's 16 years old. One of our walls has developed a patch of wetness. This wall is part of what was once the garage, and has since been converted into a ...
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1answer
316 views

How do I fix this leaking dishwasher drain pipe?

There is a leaking hose connection to the pump in my dishwasher. I have tried silicone and a hose clamp but no no avail. What can I do to fix this? Picture before the silicone, the corrosion is from ...
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2answers
2k views

How can I replace a water pipe on the second floor without the need to damage the bathtub?

My father is the owner of the house, and on the second floor area there is a bathtub over the top of the water damaged ceiling on the first floor that i currently live, my father told me that these ...
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2answers
3k views

Repair holes in copper pipe

The drain pipe under my sink is made of copper and has a couple of small holes just before it goes into the wall (and eventually leads out to a greywater tank). The picture below is taken from ...
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1answer
30 views

How do I stop water from coming out of the dispenser on the door of my refrigerator? [closed]

How do I stop water on the door of my refrigerator from coming out?
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1answer
63 views

Can I prevent my tub faucet from leaking by diverting the water to the shower, and shutting off the shower head?

So, my tub faucet is leaking. I live in an apt and I'm not too sure when the landlord is actually going to get this issue fixed. Right now, there is a steady, light stream of water coming out of the ...
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1answer
263 views

Newly installed water heater with faint gas smell

Installed a new water heater last night (Rheem Performance Plus Model #XG50T09HE40U0). All went well with installation (including gas line bubble test), but this morning I could detect a faint smell ...
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2answers
402 views

How long should I let my window dry out before caulking?

I just noticed a major leak in one of my windows last weekend during a heavy rainstorm. Upon inspection, I found several gaps in the caulking that I think the water is getting through. I managed to ...
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2answers
3k views

How do I repair this leaking toilet supply nut?

I've got a leaky toilet that I'm trying to fix (and in the process making worse). The leak seems to be coming from the brass nut on the right of the photo here: This nut has a washer in it so ...
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1answer
695 views

How can I stop a stainless steel drinking water tank from leaking?

I have stainless steel drinking water tank that is leaking from the weldings (few pin holes). What is the best way to stop these leaks, without draining the tank? Welding could be option but I have ...
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1answer
42 views

Why is my water expansion tank leaking?

I live in the northeastern US and we just turned the heat on (oil) and this morning I went down to the basement and saw this: The water is coming from the plumping above something labeled "water ...
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2answers
70 views

Are dishwasher overfill protection floats adjustable?

Dishwasher leaks. It is practically level but slopes 1 degree toward the door. Owner's manual labels overfill protection float in the diagram but does not mention how to use it. Are these floats ...
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2answers
145 views

How do I find the source of a slow leak in a roof that has been repaired?

We have had a slow leak for 20 years. The roof has been replaced. We still have the leak, so how do we find the leak?
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1answer
175 views

How can I figure out where this water is coming from?

I have the situation where my shower piping is leaking underneath a tiled floor. This only occurs when the shower is running, suggesting a drainage issue. The pipe passes from the shower faucet ...
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1answer
276 views

How do I determine the origin of a window's leak?

The drywall is water stained directly under the two lower corners of my window. So, I need to figure out where the leak is coming from. What steps should I take? -The home was built in 1967. The ...
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1answer
1k views

Why does my toilet still leak after replacing the wax ring?

I just replaced the wax ring under my toilet. Now when you flush, it leaks worse than it did before! I am so confused! Is there something else that needs to be replaced?
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1answer
243 views

I have a leaky shower. Builder thinks a total renovation to bathroom is needed to waterproof whole bathroom [closed]

So the builder I got in thinks I should remove shower, vanity and toilet. Basically a renovation of the whole bathroom upstairs to waterproof the bathroom. The leak is obvious that it is from the ...
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2answers
925 views

How do I fix a leaking ceramic mono sink mixer?

We have a kitchen mixer tap something like the one below. It's white and has 1/4 turn ceramic taps (so not like the taps in the one below in that respect). The taps are not leaking, the mixer is ...