On the third day of flooring we used the floor nailer in the third bedroom. The other two were already done, at least where the nailer can be used. Plank after plank, cut after cut we placed the boards and secure them in place. There was a little too often that I would accidentally step on the edge of an unsecured board and crack the groove off of it, but we just replaced it and carried on. After one long weekend we had three rooms floored. Here is how it looks: