I have a crack in my concrete block garage wall .It starts where Brickie
when building the wall 20 years ago fitted a vent in the line of second
block from the top.The block above the vent was left without real support at
one end and has dropped a bit and from that end of the vent aperture there
is a zigzag crack down the wall to the floor.When I first noticed the crack
appear I cut a brick to size and placed it in the aperture to support the
dropped block and cemented up the crack.This seemed ok for some time but now
I notice that the crack has opened again.
I hope I have been clear enough with my problem explanation and are there
any suggestions on how to put things right.By the way the concrete floor is
On Wed, 26 Sep 2007 20:54:50 +0100, a particular chimpanzee, "allan"
The hole isn't the cause of the crack. It would simply be a 'weak
point' in the wall (or rather, where the stresses are highest). If
the crack continues to the floor, there is something wrong with the
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