Structural building component and method of making the same

Claim 1

IN A METHOD OF FABRICATING A STRUCTURAL BUILDING COMPONENT, THE STEPS OF STRETCHING AND SUPPORTING A RELATIVELY LARGE MESH SUPPORT NETTING IN A GIVEN POSITION TO PROVIDE THE GENERAL CONTOUR DESIRED FOR THE STRUCTURAL COMPONENT, PLACING A RELATIVELY SMALL MESH NETTING OVER THE SUPPORT NETTING AND PERMITTING THE SMALL MESH NETTING TO SAG WITHIN THE MESH OPENINGS OF THE SUPPORT NETTING A GIVEN AMOUNT TO DEFINE A SCALLOPED SURFACE, APPLYING A LAYER OF RESIN IMPREGNATED FIBROUS MATERIAL OF GIVEN THICKNESS ON THE SMALL MESH NETTING, SAID LAYER HVING A PLURALITY OF SCALLOPS AND RIDGES BETWEEN THE SCALLOPS AS DEFINED BY SAID SMALL MESH NETTING, PLACING A SECOND RELATIVELY SMALL MESH NETTING OVER THE FIRST LAYER AND STRETCHING SAME TO A TAUT CONDITION TO DEFINE A GENERALLY SMOOTH SURFACE WHEREIN THE SECOND NETTING CONTACTS ONLY THE RIDGES OF THE FIRST LAYER, APPLYING A SECOND LAYER OF RESIN IMPREGNATED FIBROUS MATERIAL OF GIVEN THICKNESS ON THE SECOND SMALL MESH NETTING, SAID SECOND LAYER BEING GENERALLY SMOOTH AS DEFINED BY SAID SECOND SMALL MESH NETTING AND BEING IN BINDING ENGAGEMENT WITH THE RIDGES OF THE FIRST LAYER TO FORM POCKETS OF TRAPPED AIR BETWEEN THE SCALLOPS AND THE SECOND LAYER WHEREBY TO PROVIDE AN INSULATION BARRIER BETWEEN THE LAYERS, AND SEPARATING THE DOUBLE LAYR STRUCTURAL COMPONENT FROM THE SUPPORT NETTING.