Related to this question, The blinds project has gone pretty smooth up until this point. It seems that some walls have plaster or masonry behind them. Probably not a big deal, but I've snapped a ...
I have a predicament, I am putting up a shelf into the wall. The wall is plaster, and then hollow and then concrete. I have screws with toggle bolts on them. The 2 inch screw with the toggle bolt ...