I have a partially finished basement in a 15 year old house. From the
unfinished utility room I can see between the basement ceiling and the
ground floor floor. I have the AC pipes and new copper water pipes in this
space running the length of the basement. It is slighly less than a foot in
In the basement I hear a dripping sound or a clicking sound on a fairly
constant basis. Every 30 seconds or so. This has been going on for as far
as I can recall; several months. There is absolutely NO sign of water or
other codensation. I figure after several months if it was a leak I would
have seen something by now. The floor above is carpet on top of plywood.
Could I have gremlins running around in the AC pipes? Water condensing in
the AC pipes? Or is it just the floor settling?
Anything I should be concerned about?
There are a number of explanations. I would certainly try to find it. If
there was a leak, most likely you would eventually find some water. Take
care that water can travel a fair amount, if the surface is ideal for it to
With a ladder and flashlight I can see the area in question. If it is
simply water dripping than I doubt it is on the ceiling sheetrock. It seems
louder than that. It could be either dripping in the AC pipes or it is wood
If it was condensation in the pipes would that be a serious problem? (Is
that even common)? If it is the floor plywood settling on the beams is that
Normally not. Condensation in a drain pipe is not going to cause any
problem, but the question remains if that is what it is or if maybe a
commode is leaking or something else is leaking and it is not condensation.
I don't really think condensation like that is common.
Some settling is normal and could account for an occasional noise, but
nothing like you seem to have, that is far too much. On the other hand
changes in moisture and temperatures on a day to day bases could cause
something like that.
You have not really found enough information to know if it is problem or
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