Abstract: Disclosed is a panel for use in construction of buildings, barriers and other structures, the panel comprising an internal framing structure encased in a solidified aerated medium, the aerated medium having an impermeable external layer. The panel has insulative properties along with inherent strength, impact resistance, and load bearing capacity.

Abstract: Disclosed is a coupling, comprising a coupling arm, the coupling arm having an attachment portion adapted to be affixed with a first article, and an anchor portion. The coupling further comprises a receptacle adapted to be affixed with a second article, the receptacle comprising one or more walls defining an interior cavity, adapted to retain at least the anchor portion of the coupling arm. The receptacle further includes an opening adapted to allow the coupling arm to extend therethrough, wherein the attachment portion of the coupling arm is moveable with respect to the opening.