Just recently my husband and I noticed a horizontal crack about
half-way through the walls of our home. Almost every wall in the
house has the same crack in it. There are a few exceptions,.. but it
is definitely there throughout most of the house. The house was built
in 1967 and I am assuming that it is drywall. We are on a concrete
foundation in the Mojave Desert of California. No basement. We have
lived in the home for about 6 years and it just appeared recently. We
have been pondering the possible causes and have come up with,.. 1) we
recently installed a Swamp Cooler (evaporative cooler)to cut our
electric bill from the A/C unit. Possibly the added moisture in the
air caused the crack? Or, 2) The Army base nearby doing desert
warfare training sometimes uses explosives and we have a lot of loud
It is a hairline crack. Any ideas?? And what about repairs?
Just recently moved from Arizona and had similar problem. Caused by water
pipe leaking under concrete slab. In your case I would be suspicious that
you are allowing the evap cooler to drain too near the slab. If you have
"expansive soil" which is a type of clay like in Arizona, it will swell up
when water is added. A little fibreglass drywall tape and drywall compound
and a fresh coat of paint will hide the cracks.
email@example.com (LJMRDAEF) wrote in message
I'd check doors and windows for changes in ease of opening.
That might give an idea of the extent of changes.
If door and window frames haven't shifted, the problem is limited to
If the frames have shifted, it's time to look at slab movement (see
expansive clay suggestion).
" horizontal crack about
Do you have 8 foot ceilings or 9 foot? If the crack is 4 or 4.5' off the
floor, then it looks like a sloppy drywall joint job, which is annoying but
relatively speaking not much of a problem (of course it will take time and
money to fix and repaint.)
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