Patent ID: 8122657

Claim:
In combination, a plurality of log-shaped members each having an axis, the log-shaped members being arranged in adjacent, parallel, spaced-apart relation to form, or be part of, a wall or roof, wherein said log-shaped members are round in cross section, hollow, made of metal, and elongated along said axis, means connecting said log-shaped members together at opposite axial ends so that said connecting members and said long-shaped members form a supporting structure, and a plurality of rigid insulating members inserted between said log-shaped members, each insulating member being shaped to fit around a log-shaped member on either side of the insulating member and having a pair of outer faces respectively on either side of said wall or roof and lying substantially in respective planes substantially parallel to said axes, so that said insulating members abut one another and collectively surround said log-shaped members and insulate said wall or roof, wherein said insulating members comprise a material selected from the group consisting of polystyrene, polyurethane, extra light cement, and autoclaved aerated concrete, and a combination of two or more thereof, further comprising means securing said log-shaped members and said insulating members together to rigidify said wall or roof.