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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2answers
74 views

What is coming out of my pipe and how can I fix it?

A water spot appeared on my basement ceiling, so I cut a hole to explore what was going on. I found the following: Something is going on with the pipe, a growth of some sorts. I'm assuming it isn't ...
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2answers
86 views

How do I stress test a roof for leaks?

I am about to have some ceiling work done on my house that has previously had roof leaks. I would like to be sure that the repairs to the roof are successful. How would I go about stress testing the ...
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1answer
160 views

How can I repair a broken bathroom sink drain?

My bathroom underneath is leaking at the joint point. The pipe seems to be okay. And the surface of the sink, the ring was broken. When I hold the pipe underneath, it can be moved up and down and ...
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1answer
122 views

Exhaust fan leaking from elbow joint connected to the ceiling

I have a metal elbow joint that is leaking. It is connected to an exhaust fan in the bathroom and runs to the roof. What can I wrap the elbow with to stop the leak?
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1answer
406 views

How can I stop this downspout leak?

The image is outside of my house where the down drain leads away from the house. The water flows in the direction of the arrows, and leak occurs where the "T" connector connects to the outlet. I tried ...
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1answer
898 views

What could cause water to come up from the bottom (upwards) through the tundish?

I have an oil-powered boiler along with a water cylinder which has been installed in our home for a number of years by some previous owner. We've been here a couple of years without a hitch. Just the ...
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4answers
589 views

dripping sound inside wall

I'll try to get everything in here, yet be concise. This is a 3-story building, plus basement/underground parking. I'm on the 2nd floor, studio. Same layout above and below. Exterior wall to ...
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1answer
125 views

Is that a leak from roof into my ceiling?

I found a spot into my ceiling that was not there before. Spot looks like this. We had rain last night and i am worried if there is a leakage in the roof. This is what is on top of it. Is this ...
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1answer
219 views

What do I need to fix this leaky sink?

My sink started leaking - it looks like I need to replace all of the seal/gasket type things between the basin and the garbage disposal. Top side: Bottom side: I am guessing that the steel part ...
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2answers
2k views

What could be causing this leaky evaporator problem?

My apologizes if I do not know the correct terminology for some of the parts. I will try my best though. We have a Trane A/C system that is causing us a headache. It is causing water damage in our ...
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1answer
3k views

How do I deal with a leaking toilet cistern inlet pipe?

Recently there's been an odd, damp smell coming from one of our bathrooms. On further inspection, there seems to be a leak on this pipe where it connects to the bowl (where the little red arrow is). ...
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1answer
318 views

Should I be concerned about rusty nails just inside an outer wall?

Last year I nailed down the linoleum in my pantry with small brads because it was curling badly. This year during spring cleaning I noticed that the nails on the edge near the outer wall of the house ...
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2answers
1k views

What should be cleaned or examined after an air conditioner drain pipe leak?

The other day, we found some water on the floor in our utility room. After some research and investigation, we discovered that the drain pipe from the central air unit was blocked. We were able to use ...
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1answer
1k views

Toilet Supply Line and Valve Leaking

I had an issue with my bathroom flooding, so I emptied out the toilet (turned off the valve and flushed until it was empty). Then after 2-3 days, the toilet backed up. Yech. Anyway, I re-opened the ...
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1answer
595 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
51 views

Is this really inductive/capacitive coupling, and is this remediation practical?

I have replaced some 25W light bulbs with 4W LED-filament bulbs with 2700K emission. The light is equivalent if not superior, and 25W incandescent bulbs are becoming increasingly difficult to find. ...
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1answer
38 views

Leak between plastic elbow joint and copper pipe

I replaced a plastic elbow joint which had a crack in it. One end of the elbow has a PVC pipe fitted into it, and the other end is copper, which connects to an outside tap. I replaced the plastic ...
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1answer
51 views

How can I repair this rotted section of wood siding?

I have a section of wood siding that is soft and rotting. Complicating matters (and possibly causing the issue) is the placement of the seating area of the deck. The previous owners built a privacy ...
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1answer
77 views

What's the most cost effective solution for repairing a slab leak?

I live in Phoenix in a 1400 sqft home that was built in 1973, single story, brick and frame. A few days ago we experienced a slab leak in our guest bathroom, and we're currently entertaining bids to ...
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1answer
34 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
56 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
47 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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2answers
60 views

How to stop this small roof from leaking?

We have water stains in the ceiling drywall underneath this small section of roof. I suspect it's due to the loose metal that's on top of the shingles. The fasteners on the top of the metal are ...
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1answer
67 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
343 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
414 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
63 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
404 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
453 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
327 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
82 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
1k 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
5k 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
342 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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2answers
46 views

How can I waterproof a bathroom ceiling?

I live in an apartment building. The resident upstairs has overflowed her bathtub 3 times in 2 years. The water damaged my ceiling and has been repaired twice. Now the ceiling will be replaced at her ...
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0answers
25 views

How can I remove the stem on my single-head bath faucet?

My house was built in 1999. The shower has a lock ring to release the plunger for the single-head faucet, but it won't come out. How can I remove it to replace the seals so it won't leak anymore?
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1answer
52 views

How can I keep my neighbors water from leaking through a wall?

tldr: How can I, (temporarily and quickly), keep at least some amount of leaking water dammed and away from a wall? I live in a three unit condo. In the basement, there is a cheaply constructed wall ...
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0answers
25 views

How can I stop suds from backing up in the drain line?

I have a 10 year old house with (probably) 2" vertical waste line inside the wall (plastic at top). Lately we've noticed suds foaming out of the drain at the end of the rinse/spin cycle. It does NOT ...
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0answers
34 views

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

Kind of a complex situation. Using gas water heater as a boiler for an old cast iron radiator. In addition we added a recirculation pump. Everything was working fine but then we had leaking from water ...
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0answers
117 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
255 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
82 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
161 views

How can I locate the source of a washing machine leak?

I have an older washing maching, a Hotpoint 6 cycle heavy duty high capacity (I see a label with WLW3400, which I assume is the model number). It is leaking and I am trying to discern the source. I ...
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0answers
181 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
106 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
72 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
525 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 ...