Support panels for masonry objects and associated methods of use are disclosed herein. A support panel for masonry objects may include an inner surface, an outer surface, at least one stiffening channel formed longitudinally along the support panel, and a plurality of substantially C-shaped tabs extending from the outer surface, the tabs being disposed in spaced apart relation to one another to form a grid, wherein the tabs are configured to contactingly support at least a portion of a masonry object.