While repairing some plumbing I found an area of water damaged drywall from
inside the wall.
The drywall has completly disintergrated due to misture from a washer drain.
The other side of the drywall has ceramic tile and is showing no signs of
the damage but apparently is only being held together by grount and mastic.
Damage is limited to the area between two studs. I know what should be done
to them and in about a year the whole bathroom will be ripped out and most
of the drywall replaced with backerboard but that cant happen right now.
Source of the water damage has been repaired.
I am having some insulation work done within the next couple of days with
spray foam. I was thinking about mounting some metal bars between the studs
and getting the insulation guy to spray it. I figure the foam has got to be
at least as sturdy as the drywall.
Wire mesh and mortar, just like stucco is the first thing that comes
to mind. Thinset would probably work too. Slather some on, imbed the
wire and fasten it to the studs, and slather some more on. Probably
get you by for a long time.
The expanding spray may exert pressure on the tile, even if it doesn't
fill the wall cavity. You can image what would happen.
This may be a good time to leave well enough alone. You're planning to
do a tear out in a year and can make a temporary repair if it fails
Ive thought about the expanding foam pushing out the wall and I just got
through placing a plywood backer on the tile side of the wall. I figured
this would be a good idea no matter how I am trying to fix it. I am going to
wait until I see how rigid the foam is before I try anything. I may go with
the thinset and metal lathe.
Several years ago I saw a guy give a demo on the foam, he sprayed a 1/2
thick piece of OSB with 3 inches of foam placed it acroos sawhorses six ft
apart and stood on it. His point was that not only is his product a great
insulator but it also adds to the structual integrity of the building.
I may run this by my insurance company and see how far they will go on
repairs. It would be nice If I could get all the tile ripped out and
replaced for the cost of my deductable.
I would really think twice about calling the insurance company. If it
is covered, they are only going to pay for repairing the small (from
your description) part of the wall that was damage even if the new
tile doesn't match. They are not going to pay to rip out all your tile
and replace it. The amount you get will be probably be small after the
deductibles. The real concern is that some insurance companies have a
habit of dropping customers who make small claims. Do you really want
to take the chance that the next time you file a claim that they
decide they don't want you as a customer? Another issue (not as
likely) is that the insurance company will see something they don't
like and require you to fix it or lose your insurance. This happen to
my neighbor who filed a small claim to fix some damage due to a small
kitchen fire. The insurance company paid but noticed his sidewalks
were not level and gave him thirty days to fix it or lose his
insurance. Needless to say, the cost of new sidewalks exceed the cost
of the kitchen repairs.
Well I got it sprayed with insulation this morning and it seems to have
worked OK. The guy that did the work did it for gratis since he was already
doing my garage. He wanted to see if it would work. I really think this is
close to having concrete backerboard installed. Much better than
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