Heavily insulated shelter structure

Claim 1

In a building structure of the type including a plurality of spaced post members each extending in a substantially vertical direction from an underground footing, said building structure further comprising a roof assembly including a series of trusses resting on beam members and supported on vertically upper end portions of said post members and said building structure including a floor assembly extending between said substantially vertically extending post members, wherein the improvement comprises: insulative means for thermally insulating an interior space within said building structure to prevent transfer of heat between said interior space and a further, exterior space adjacent said building structure; said insulative means comprising a plurality of panel-like wall members attached to one another along confronting surfaces, each of said wall members being formed of a molded polyurethane-type foam material; said insulative means further comprising a ceiling panel assembly attached to said roof assembly and contacting vertically upper end portions of said wall members, and a basement floor assembly contacing vertically lower end portions of said wall members, with said ceiling panel assembly and said basement floor assembly each being formed of molded polyurethane-type foam material; wherein said ceiling panel assembly and said wall members form a continuous joint of polyurethane-type form material completely surrounding said interior space to prevent heat from leaking therethrough, and wherein said floor basement assembly and said wall members form a continuous joint completely surrounding said interior space to prevent heat from leaking therethrough.