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A building includes an inflatable form having an interior surface bounding a chamber. A stabilizing layer of polymeric foam or cementitious material is disposed on the interior surface of the inflatable form. At least one support layer of cementitious material is disposed on the interior surface of

A building includes an inflatable form having an interior surface bounding a chamber. A stabilizing layer of polymeric foam or cementitious material is disposed on the interior surface of the inflatable form. At least one support layer of cementitious material is disposed on the interior surface of the stabilizing layer. Finally, one or more ribs project from the interior surface of the at least one support layer. Each rib includes a core of polymeric foam and a layer of cementitious material disposed over the core.

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1. A building comprising:an inflatable form having an interior surface; a stabilizing layer disposed on the interior surface of the inflatable form, the stabilizing layer being comprised of a polymeric foam; and reinforcing line being at least partially embedded within and along the stabilizing laye

1. A building comprising:an inflatable form having an interior surface; a stabilizing layer disposed on the interior surface of the inflatable form, the stabilizing layer being comprised of a polymeric foam; and reinforcing line being at least partially embedded within and along the stabilizing layer so as to reinforce the stabilizing layer against outward expansion, the reinforcing line being mechanically connected to the stabilizing layer at at least two spaced apart locations along the reinforcing line. 2. A building as recited in claim 1, wherein the inflatable form is comprised of a polymeric material.3. A building as recited in claim 1, wherein at least a portion of the inflatable form has a substantially dome shaped configuration.4. A building as recited in claim 1, wherein the stabilizing layer is comprised of polyurethane.5. A building as recited in claim 1, wherein the reinforcing line comprises horizontally and vertically disposed strands of reinforcing line.6. A building as recited in claim 1, wherein the reinforcing line comprises wire having a tensile strength in a range between about 20,000 psi to about 200,000 psi.7. A building as recited in claim 1, further comprising at least one support layer disposed on the interior surface of the stabilizing layer, the support layer having an interior surface and being comprised of a cementitious material.8. A building as recited in claim 7, further comprising a reinforcing mat at least partially embedded within the support layer.9. A building as recited in claim 7, further comprising a rib projecting from the interior surface of the support layer.10. A building as recited in claim 9, wherein the rib has a exposed height in a range between about 25 cm to about 125 cm.11. A building as recited in claim 9, wherein the rib comprises:a core comprised of a polymeric foam; and a layer of cementitious material disposed over the core. 12. A building as recited in claim 7, further comprising a plurality of intersecting ribs projecting from the interior surface of the at least one support layer, each of the ribs comprising:a core comprised of a polymeric foam; and a layer of cementitious material disposed over the core. 13. A building comprising:an inflatable form having an interior surface; a stabilizing layer disposed on the interior surface of the inflatable form, the stabilizing layer having an interior surface; at least one support layer disposed on the interior surface of the stabilizing layer, the at least one support layer having an interior surface and being comprised of a cementitious material; and a rib projecting from the interior surface of the at least one support layer, the rib comprising: a core comprised of a polymeric foam; and a layer of cementitious material disposed over the core. 14. A building as recited in claim 13, further comprising a reinforcing line at least partially embedded within and along the stabilizing layer.15. A building as recited in claim 14, wherein the reinforcing line comprises horizontally and vertically disposed strands of reinforcing line.16. A building as recited in claim 13, wherein the stabilizing layer is comprised of polyurethane.17. A building as recited in claim 13, wherein the stabilizing layer is comprised of a cementitious material.18. A building as recited in claim 13, wherein the rib has an exposed height in a range between about 15 cm to about 125 cm.19. A building as recited in claim 13, wherein the core of the rib is mounted directly against the interior surface of the at least one support layer.20. A building as recited in claim 13, wherein a base layer comprised of cementitious material is disposed between the core of the rib and the interior surface of the at least one support layer.21. A building as recited in claim 13, wherein a form is at least partially disposed between the core of the rib and the layer of cementitious material disposed over the core.22. A building as recited in claim 13, wherein the rib further comprises:a strut projecting from the interior surface of the at least one support layer, the strut having a first side and an opposing second side; and the core comprising a first core disposed on the first side of the strut and a second core disposed on the second side of the strut. 23. A building as recited in claim 22, wherein at least the first core or the second core has a substantially triangular transverse cross section.24. A building as recited in claim 13, further comprising a plurality of intersecting ribs projecting from the interior surface of the at least one support layer, each of the ribs comprising:a core comprised of a polymeric foam; and a layer of cementitious material disposed over the core. 25. A building comprising:an inflatable form having an interior surface; at least one stabilizing layer disposed on the interior surface of the inflatable form, the at least one stabilizing layer having an interior surface; at least one support layer disposed on the interior surface of the at least one stabilizing layer, the at least one support layer having an interior surface and being comprised of a cementitious material; and a rib projecting from the interior surface of the at least one support layer, the rib comprising: a strut projecting from the interior surface of the at least one support layer, the strut having a first side and an opposing second side; a first core disposed on the first side of the strut and a second core disposed on the second side of the strut, the first core and the second core each being comprised of a polymeric foam; and a layer of cementitious material disposed over the strut, first core, and second core. 26. A building as recited in claim 25, wherein at least the first core or the second core has a substantially triangular transverse cross section.27. A building as recited in claim 25, further comprising reinforcing line at least partially embedded within the at least one stabilizing layer.28. A building as recited in claim 25, wherein the at least one stabilizing layer is comprised of a polymeric foam or a cementitious material.29. A building comprising:a boundary wall having an interior surface bounding a chamber, the boundary wall being comprised of a cementitious material, at least a portion of the boundary wall having a substantially dome-shaped configuration; and a plurality of ribs inwardly projecting from the interior surface of the boundary wall, each rib comprising: a core comprised of a polymeric foam; and a layer of cementitious material disposed over the core. 30. A building as recited in claim 29, wherein the layer of cementitious material disposed over the core of each rib also extends over at least a portion of the interior surface of the boundary wall.31. A building as recited in claim 29, wherein each rib further comprises:a strut projecting from the interior surface of the boundary wall, the strut having a first side and an opposing second side; and the core comprising a first core disposed on the first side of the strut and a second core disposed on the second side of the strut, the layer of cementitious material being disposed over the strut, first core, and second core. 32. A building as recited in claim 1, further comprising a plurality of spaced apart hangers secured to and projecting from the stabilizing layer.33. A building as recited in claim 1, wherein discrete line hangers are used to mechanically connect the reinforcing line to the stabilizing layer.34. A building as recited in claim 1, wherein the reinforcing line is tensioned.35. A building as recited in claim 1, wherein the stabilizing layer comprises a first sub-layer disposed on the inflatable form and a second sub-layer disposed over the first sub-layer, the first sub-layer and the second sub-layer each being comprised of a polymeric foam, the reinforcing line being disposed between the first sub-layer and the second sub-layer.36. A building as recited in claim 1, wherein the reinforcing line is mechanically connected to the stabilizing layer at at least three spaced apart locations along the reinforcing line.37. A building comprising:an inflatable form having an interior surface; a stabilizing layer disposed on the interior surface of the inflatable form, the stabilizing layer comprising a first sub-layer disposed on the inflatable form and having an interior surface and a second sub-layer disposed over the interior surface of the first sub-layer, the first sub-layer and the second sub-layer each being comprised of a polymeric foam; and an elongated strand of reinforcing line extending longitudinally along the interior surface at the first sub-layer and enclosed between the first sub-layer and the second sub-layer.