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
698 views

Need Quick Fix for Leaky Door

Hurricane Sandy is starting to hit us, and we have come to realize our basement door is leaky, and it's starting to soak our basement. I found where the water is coming in, the bottom corner of the ...
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1answer
157 views

How can I repair a toilet that is leaking at the base?

Flushing the toilet causes a small amount of water to leak out from under the base of the toilet on one side. Stops after 2-3 seconds. Also noticed there is a higher pitch dripping of water which ...
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1answer
268 views

What typically causes a toilet to leak?

So I have a leaking toilet and it's leaked through the ceiling drywall... is that typically caused by a leaking seal, or is it the toilet itself? It's been noticed today after we had a toilet ...
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1answer
106 views

Who do I call, roofer or plumber?

Last fall, I noticed my first floor kitchen had a leak that dripped down through the lighting fixture. This happened during a pretty strong rainfall. There is a bathroom above it but it had not been ...
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4answers
2k views

How can I seal around this pipe on my roof?

I have a PVC furnace exhaust pipe coming out through my roof. Unfortunately, the guy who installed it used the wrong size flange. So instead of the rubber rising upwards against the pipe, it is sunken ...
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2answers
7k views

What alternatives do I have to cap/plug the kitchen spray nozzle

I have a seasonal camp that is winterized each year. The kitchen faucet spray nozzle must have suffered from some ice damage and leaks constantly. The feed line to it comes from the mixed section ...
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2answers
16k views

What can I do about my leaking washing machine faucet?

I recently hooked up a new washing machine to the faucets in my sink. They mostly work well, but both of the faucets drip slowly when there's water flowing through them. What can I do? I've tried ...
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1answer
543 views

What should I do about soaked particle board under my kitchen sink?

I recently discovered I have a leaky garbage disposal (that i have yet to fix). I think it had been leaking for a while, and it has caused the particle board beneath the kitchen sink to sag. I have ...
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4answers
414 views

What type of common materials can I use to detect water infiltration/leaks?

I am trying to find the source for a water leak in my car when it rains. The answer here should also be good for hard to find water leaks in a house. Is there a material I can use which tells me the ...
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1answer
2k views

How to stop a shower stall from leaking

I have a corner shower stall that's leaking. The leak is occuring on the right hand side of the shower stall, about a foot off the ground. What can I do to stop this leak? Here is the shower stall: ...
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2answers
48 views

Leak at Main Shut Off Valve

I've dealt with a little bit of plumbing fixing toilet valves, but now my main water shut-off valve seems to be leaking in a very particular spot. Not sure what steps I should take to resolve this one ...
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2answers
54 views

Electric water heater leaks around the top, how do I fix it?

My water heater is leaking from the top around the copper fittings. It seems to be filled to capacity. Will adjusting my pressure relief valve stop my water heater from leaking? I turned the main ...
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2answers
84 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
109 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
206 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
132 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
525 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
971 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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1answer
26 views

Leaking Humidifier

We have a Honeywell whole-house humidifier attached to the duct directly above the heating element/electronics of our furnace. A few possible pertinent facts: The water intake is attached via a ...
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4answers
3k 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
168 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
428 views

Is there a way to fix a small water leak in a PVC pipe from inside the pipe?

The PVC evacuation pipe from my toilet is leaking a little bit. The part of the pipe that is leaking is buried inside concrete. I am trying to find a way to fix the leak from inside the pipe, that is ...
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1answer
227 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
346 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
2k 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
623 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
97 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
28 views

A/C Air Handler Leaking Water Everywhere

I have a relatively old air handler that has worked fine for many years. Just recently, it started leaking water everywhere, and it seems to be seeping from inside the base of the air handler itself ...
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1answer
43 views

How can I repair a kitchen sink that is leaking from both the handle and the underneath cabinet?

My kitchen sink is a single-handle, ball-type faucet. Lately it has been leaking from the base of the handle when the water is running, and when that happens water also drips beneath the sink. Is it ...
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1answer
82 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
270 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
144 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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1answer
88 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
223 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
58 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
87 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
55 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
74 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
68 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
569 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
659 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
78 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
499 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
589 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
389 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
86 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 ...