Patent ID: 7603823

Claim:
A wall panel comprising: a hollow elongate body portion defining a cavity therein for retaining a fluid, the body portion having a quadrilateral cross-section defined by an outer wall and an inner wall held in spaced apart relation by side walls, the body portion further comprising an internal wall extending between said inner and outer walls to provide additional structural strength and rigidity, wherein said internal wall is fixed to the inner and outer walls by a respective pair of webs, that together with the inner wall and outer wall respectively form a pair of dry cells sealed off from the remainder of the cavity; an upper attachment means on an upper end of the body portion for fixing the body portion to a first building structure of a building, and a lower attachment means on a lower end of the body portion for fixing the body portion to a second building structure of the building, so that in use the wall panel provides a substantially rigid structural component to at least partially support the first building structure load bearing manner.