Lam-Hammer Jr Flooring Installation Tool The Lam-Hammer aids the installation of the last board on a run, against the wall or under the cabinet toe kick. The Lam-Hammer puts an end to nail pops on the wall from conventional pry-bar pressure. The Lam-Hammer eliminates crushed plasterboard (which cannot be covered by the baseboard). The Lam-Hammer ends costly plasterboard and cabinet-base repairs. The Lam-Hammer replaces the pull bar and hammer.