Method of molding a building structure by spraying a foamed plastic on the inside of an inflatable form

摘要

1. A method for erecting a building structure comprising: inflating a form, . .positioning thickness gauges within the inner surface of the form, said thickness guages being preformed from a plastic foam material,. !. spraying a . .n additional quantity of the same.!. plastic foam material against the inside of the form to build up a . . layer having a thickness determined by the thickness gauges which become integral with the.!. layer, . .and.!. allowing the plastic foam to harden and become rigid and self-supporting . ...!. .Iadd.and coating the inside of the layer of foam with a layer of concrete..Iaddend.