Insulating structural panel for house, has polyurethane foam sandwiched between external asbestos cement face and inner magnesium oxide face for use in external partition, or between two magnesium oxide faces for use in interior partition

摘要

The panel has a polyurethane foam sandwiched between an external asbestos cement face and an internal magnesium oxide face for use in an external partition, where the polyurethane foam is sandwiched between two magnesium oxide faces for use in an interior partition, and electrical boxes and conduits are incorporated in the polyurethane foam. (Incomplete specification, abstract based on available information published by the patent office).