How can I fix a possible leak in the wall?

pressure washer video image

nowisthatn

How can I fix a possible leak in the wall?
My mom's been complaining that she smelled something weird, and occasionally, I noticed it smelled kind of musty. Today, I was looking for the source of the smell, and I was near the wall and heard a bubbling sound. I put my hand to the wall, and found a soft spot. It wasn't wet, but very soft. I think if I applied more pressure I would've poked a hole in the wall. The spot is relatively small, about an inch or two in diameter, and about two or three inches from the floor. Parts of the carpet feel slightly damp.

So part of my issue is that I live in an attached house. The wall where this is happening is connected to my neighbor's wall. I know the layout of her house, and it's likely that either her washing machine or dishwasher is very close to the affected wall on my side, and my mom has said that she hears a bubbling sound every time my neighbor does laundry. I don't know if the leak is coming from her house or mine.

Another problem is that my mom really don't have the money for a plumber. My father just passed, and my mom's disabled, so she can't work. I'm a full time college student, and now I need to take on the half of the bills my dad used to pay. I only have a minimum wage job (though in the process of looking for something better). So when I say money is tight right now, I really mean it. That's why I want to fix it sans the help/expenses of a plumber. I'm pretty handy around the house, but I've never dealt with a leak before. Basically I'm just looking for some DIY advice. I'd really appreciate it. Thanks in advance!

Answer
The first thing you need to do is talk to your neighbor and find out if there is a water problem on her side of the wall. If her plumbing is causing the problem it should be her responsibility to fix it. That includes damage done to your house. Her homeowners liability insurance should cover the damage to your house. When you talk to the neighbor ask to inspect the connections to the washing machine. It might be something as simple as a hose washer. If the leak is not visible from her laundry room it's back to your house. Cut into the wall with a utility knife and expose the pipes. I am assuming the walls are plaster or sheetrock. Once the leaking pipe is accessible It should be pretty easy to fix. If you don't feel safe doing the repair it is a quick job for a plumber at this point. You will have done half of the work by locating the problem. If you want to attempt it yourself it should be easy to find a video lesson on soldering a pipe by searching youtube. After that, keep looking for a video lesson on drywall or plaster repair.

What type of handle is this called or where can i get a similar 1.?

machine ma

So i decided to make a high pressure gun like the one on this site.

http://patator.frbb.net/vos-pacs-personnels-a-vous-f9/le-sniper-m25-de-neotun-cal-20-mm-video-t1463.htm

But i don't know what the handle is off or what it is called.

I dont mind makeing modifications to the gun just as long as it is the same basic thing.

Answer
It's just called a "pressure washer trigger."
To find a place to buy one, do a Google search for that term.
Should cost about $20-40.

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