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  1. General DIY Discussions
    Hello everyone, Could you please share advice on how to repair severely rusted metal fence posts? The bottoms of the posts were covered in accumulated dirt for a long time, which caused varying stages of corrosion in the posts. In the photos you can see three of the posts, from best to worst...
  2. Plumbing
    Initially I thought the main culprit of the leak beneath our kitchen sink was the dishwasher supply valve but it turns out that's not leaking. It sweats a bit but the problem is apparently from the SINK not being sealed to the counter. So, that when we splash some water up on the counter and...
  3. Plumbing
    We had bathrooms remodeled in 2016. The contractor installed a hot water recirculator and pex tubing to create a return path. Within a year, the recirculator began making a rapid clicking noise, which became louder over time. The contractor said that was normal and they all do that (i.e., he...
  4. Plumbing
    I have a problem with my tub overflow. The stainless steel cover plate screws that held the overflow cover plate to the bronze overflow pipe have corroded away. With virtually no shank to extract them with locking pliers, it appears galvanic corrosion has frozen the threads. Replacing the...
  5. Electrical
    If I have an instrument that I use every day. It has a high intensity light bulb. It works well for about two or three months and then it stops working. When I look at it, the contact appears to be corroded. If I sand the contact the light bulb will work for a while. If I solder a piece of...
  6. Concrete, Stone & Masonry
    I have a room where I exposed a brick wall and redid the mortar by tuckpointing. It look beautiful but the whitish residue from the mortar needs to be cleaned and the best way to do it is using hydrochloric (AKA muriatic) acid. I have done that before and the results are beyond amazing. It made...
  7. Plumbing
    Hello, I'm a first time user and brand new homeowner. My first question is about my copper water pipe in my basement. The cable guy pointed out the other day that the pipe is rusting where the pipe rests on top of some aluminum from the HVAC system. He advised that these two metals meeting...
  8. Plumbing
    Hi everyone! Samantha here- I appreciate your help. I have a deceptively simple question that I haven't been able to get answered in any books I've found: Do I need to remove these pipes before I hang cement board here? If so, won't water come out? Do I need to shut off the whole house supply...
  9. Plumbing
    Hello, The pan under our water heater seems to be corroding. There is a build up of metals or something (see pic 1 below). The heater is less than a year old. Seems an odd spot to corrode, there's no water or anything there, just the controls directly above the spot (pic 2). There also seems...
  10. Electrical
    Went in there to change one to afci and found this. Is this corrosion? And why is it only one? I know most of the house breakers are on the right, but it never feels warm or hums. I really hope this isn't going to be a another problem to have to get fixed. :( Here's a large pic of the entire...
  11. Plumbing
    I have a drain pipe from my upstairs kitchen and washing machine that is corroded. It runs above a downstairs hallway and closet. I have cut away ceiling wallboard and located a hole as well as other spots of corrosion. The region is between two fittings where other drain pipes seem to join in...
  12. Electrical
    We had a discussion at work about corroding light sockets in high moisture areas such as crawl spaces or outdoors. One guy who has construction experience, but not electrical, said he puts Vaseline over the bulb threads so he can make sure he can get the buld=b out of the socket easily after if...
  13. Plumbing
    I have changed my hot and cold Waltec cartridges in my shower and want to remove / replace the threaded 1" collar extension around them however the cold is seized and crumbling. Don't want to apply heat in this area. Is there a good corrosion busting spray anyone can recommend? I cannot get a...
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