by Brian Knight—GBI Technical Advisor

I was in my basement applying some 2×4 furring to a concrete block wall in preparation for insulating and hanging drywall. I noticed a crack in a horizontal mortar joint about half way between the floor and the ceiling running nearly the length of the wall. I realized that this crack was an indication that the block wall was bowing inward. I don’t know how long this had been going on, or how much pressure it took to cause the problem. What I did know was that I had to take some steps to stop the wall from bowing more. Continue reading →