US Patent 8448396 Laminated insulated timber for building construction

A laminated insulated timber is described possessing a laminate essentially composed of plurality of side planks, a top plank and a bottom plank that box in an insulation member. The planks are offset relative to one another to form a tongue and groove arrangement. In this manner, other like laminated insulated timbers join together along the tongue and groove arrangements to interlock and stack, thus forming a structural wall of laminated insulated timbers.