Abstract: Aspects of the present invention provide devices and methods for installation of countertops. A countertop installation device may include: a housing; a rim, extending outwards from the housing, the rim being connectable to a frame; a movable tongue arranged to move along a first axis of the shaft, and extend from the housing; and an adjustment screw configured to adjust the location of the movable tongue along a second axis. During installation of the device, the first axis may be the horizontal axis and the second axis may be the vertical axis.

Abstract: Composites made of a cross-linked acrylic polymer and an inorganic aggregate and/or mineral, with the cross-linked acrylic polymer being present at a concentration of 5% to 17%, by weight, are disclosed. Processes of preparing the composites are also disclosed.

Abstract: Aspects of the present invention provide devices and methods for installation of countertops. A countertop installation device may include: a housing; a rim, extending outwards from the housing, the rim being connectable to a frame; a movable tongue arranged to move along a first axis of the shaft, and extend from the housing; and an adjustment screw configured to adjust the location of the movable tongue along a second axis. During installation of the device, the first axis may be the horizontal axis and the second axis may be the vertical axis.

Abstract: A method for countertop installation includes affixing a mechanical interface to at least one of a cabinet framework and a wall, and securing a countertop directly to the mechanical interface without directly attaching the countertop to the cabinet framework or the wall.

Abstract: A method for countertop installation includes affixing a mechanical interface to at least one of a cabinet framework and a wall, and securing a countertop directly to the mechanical interface without directly attaching the countertop to the cabinet framework or the wall.

Abstract: Engineered stone, and methods of manufacturing same. An engineered stone comprises: a surface of the engineered stone, wherein the surface comprises one or more pores; and a sealant mixture including a sealant material and a functional component, wherein the functional component modifies one or more properties of said engineered stone.