Abstract: A sash lock assembly comprises a window sash frame component, a sash lock having a sash body, and at least one fastener. The sash lock body is mounted on a top of the window sash frame component. The sash lock body includes at least one fastener passage. One exemplary sash lock assembly has the at least one fastener is installed from a rear of the sash lock body, through the at least one angled fastener passage, and into the top of the window sash frame component to secure the sash lock body to the window sash frame component and conceal the at least one fastener is from view without applying an additional cover. One exemplary sash lock assembly has at least one mounting projection that fits within at least one opening in the top of the window sash frame component.

Abstract: A method and apparatus for sealing a cut edge of a foam board is disclosed. The foam board has a top surface, a bottom surface, a first cut edge and a second cut edge. Each cut edge extends between the top and bottom surface. The method includes heating of at least one of cut edges to raise the surface to a first temperature, applying pressure to the at least one of the cut edges by a pressure source at a first pressure, and cooling the at least one of the cut edges to a second temperature. The first temperature is above the foam glass transition temperature and the second temperature is below the glass transition temperature.